篇一 : What ________ if there ______ no water or air on What ________ if there ______ no water or air on the earth?A.happen, is | B.will happen, is | C.will happen, will be | D.happen ,are |
| 題型:?jiǎn)芜x題難度:中檔來(lái)源:不詳
試題分析:句意:如果地球上沒有水和空氣,將會(huì)發(fā)生什么?根據(jù)句意判斷,句子要用一般將來(lái)時(shí),water為不可數(shù)名詞,并且if 引導(dǎo)的狀語(yǔ)從句用一般現(xiàn)在時(shí)表示將來(lái)所以用單數(shù)is ,故選B 點(diǎn)評(píng):此考點(diǎn)也是中學(xué)英語(yǔ)中最喜歡出現(xiàn)的考點(diǎn),if除了可以引導(dǎo)條件狀語(yǔ)從句外,還可以引導(dǎo)賓語(yǔ)從句,翻譯成“是否”。引導(dǎo)賓語(yǔ)從句時(shí)沒有“主將從現(xiàn)”的說(shuō)法。除了if外,還有when, as soon as也一樣要注意“主將從現(xiàn)”。 |
考點(diǎn): 考點(diǎn)名稱:過(guò)去進(jìn)行時(shí)過(guò)去進(jìn)行時(shí): 表示在過(guò)去某一時(shí)刻或某一段時(shí)間內(nèi)進(jìn)行或發(fā)生的動(dòng)作。其形式為was/were+V-ing。 常與表示過(guò)去的時(shí)間狀語(yǔ)連用,如: last night,last Saturday等; 或者與when,while,as引導(dǎo)的過(guò)去時(shí)間狀語(yǔ)連用。過(guò)去進(jìn)行時(shí)的結(jié)構(gòu): 1. 過(guò)去進(jìn)行時(shí)由“主語(yǔ)+was/were + 現(xiàn)在分詞”構(gòu)成 eg: We were having supper when the phone rang. 我們正在吃晚飯時(shí)電話響了。 2. 過(guò)去進(jìn)行時(shí)的否定式由“主語(yǔ)+was/were not +現(xiàn)在分詞”構(gòu)成 eg: This time yesterday Jack was not watching TV. He was repairing his bike. 昨天這個(gè)時(shí)候,杰克不是在看電視,而是在修理自行車。 3. 過(guò)去進(jìn)行時(shí)的疑問(wèn)式由“was/were +主語(yǔ)+ 現(xiàn)在分詞”組成 eg: Were you playing basketball at four yesterday afternoon? 你們?cè)诟墒裁醋蛱煜挛绲臅r(shí)間啊 回答我啊?過(guò)去進(jìn)行時(shí)和一般過(guò)去時(shí)的區(qū)別: 一、二者概念理解 一般過(guò)去時(shí)敘述舊事,過(guò)去進(jìn)行時(shí)描述背景。 A、一般過(guò)去時(shí) 1.過(guò)去狀態(tài)、動(dòng)作或事件 He went to Beijing the other day.(帶具體時(shí)間) 2.過(guò)去的習(xí)慣 a would ,used to與過(guò)去時(shí) would 表間斷性不規(guī)則的習(xí)慣,常帶頻率時(shí)間 used to 表一貫性有規(guī)律的習(xí)慣 They used to meet and would sometimes exchange one or two words. He smoked a lot two years ago. (過(guò)去行為) bWould 用于文中不用于句首,只表過(guò)去習(xí)慣。 Used to 表今昔對(duì)比的含義,敘述習(xí)慣動(dòng)作可與would 換用。 When he was a boy , he would often go there . (敘述過(guò)去) She isn't what she used to be. (今昔對(duì)比) c 表示狀態(tài)時(shí)一般只用used to Tom used to be fat /There used to stand a tree there. (狀態(tài)) dwas (were) used to +ving表示“合適于,適應(yīng)于…..” He used to work at night . (“習(xí)慣”表經(jīng)常) He was used to working at night. (習(xí)慣表適應(yīng)) 3.過(guò)去的經(jīng)歷,平行動(dòng)作,依此事件用一般過(guò)去時(shí)。 He sat there and listened to the radio.(依此發(fā)生) 4.客氣委婉的語(yǔ)氣,用于情態(tài)動(dòng)詞,助動(dòng)詞和want , wonder , hope 等 How did you like the film? / Could you help me? B. 過(guò)去進(jìn)行時(shí) 1.在過(guò)去某階段或某一時(shí)刻正在發(fā)生 What were you doing at 8:30 last night? (過(guò)去某時(shí)刻正在發(fā)生) 2.性動(dòng)詞用過(guò)去進(jìn)行時(shí)表示按計(jì)劃、打算 During that time he was going with us.(表示打算) 3.lways ,often ,usually 等連用表喜愛,討厭等感情色彩。 He was always Changing his mind. 二、區(qū)別 A. 進(jìn)行時(shí)表某一行為的“片斷”一般時(shí)表示行為的“整體”和存在的狀態(tài)。 I was reading the book at that time. (未讀完,“讀”的片段) I read the book yesterday. (已讀完,表整個(gè)“讀”) B、一般持續(xù)時(shí)間狀語(yǔ)多與進(jìn)行時(shí)連用 It was raining all night.(優(yōu)先用was raining ,rained 為持續(xù)動(dòng)詞,故也可使用) He was writing a letter the whole of afternoon. (短暫動(dòng)詞與持續(xù)時(shí)間連用,表反復(fù),連續(xù)發(fā)生,不可用一般過(guò)去時(shí)) C、while 時(shí)間狀語(yǔ)從句中用短暫動(dòng)詞時(shí)只能用進(jìn)行時(shí)。 例:He broke a chair while he was jumping up and down. D、While 所在主從句動(dòng)作大致持續(xù)相等時(shí)主從句一般都用進(jìn)行時(shí),但若是持續(xù)動(dòng)詞可都用一般過(guò)去時(shí),兩個(gè)動(dòng)作一長(zhǎng)一短時(shí)短的用一般時(shí),長(zhǎng)的用進(jìn)行時(shí)。 I was cooking the dinner while he was playing the piano.(平行) I cooked the dinner while he played the piano. I saw him while I was walking to the station. 過(guò)去進(jìn)行時(shí)的基本用法: 過(guò)去進(jìn)行時(shí)的基本用法主要表示過(guò)去某一時(shí)間正在進(jìn)行的動(dòng)作。如: He fell asleep when he was reading. 他看書時(shí)睡著了。 2. 用過(guò)去進(jìn)行時(shí)表示現(xiàn)在主要是為了使語(yǔ)氣委婉、客氣。如: I was wondering if you could give me a lift. 我不知你能否讓我搭一下車。 【注】一般過(guò)去時(shí)也有類似用法,但比較而言,用過(guò)去進(jìn)行時(shí)顯得更客氣,更不肯定。 3. 過(guò)去進(jìn)行時(shí)表示感情色彩與現(xiàn)在進(jìn)行時(shí)相似,過(guò)去進(jìn)行時(shí)也可表示滿意、稱贊、驚訝、 厭惡等感情色彩,也通常與 always, forever, continually等副詞連用。如: They were always quarrelling. 他們老是吵架。 4. 動(dòng)詞be的過(guò)去進(jìn)行時(shí)動(dòng)詞be的進(jìn)行時(shí)也可表示過(guò)去一時(shí)的表現(xiàn)或暫時(shí)的狀態(tài)。 比較:He was friendly. 他很友好。(指過(guò)去長(zhǎng)期如此) He was being friendly. 他當(dāng)時(shí)顯得很友好。(指當(dāng)時(shí)一時(shí)的表現(xiàn))
特殊用法 1、當(dāng)句子意思很清楚時(shí),我們也可以把兩個(gè)動(dòng)詞都換成一般過(guò)去時(shí) We listened carefully when the teacher read the text. 老師讀課文時(shí),我們都仔細(xì)地聽著。 2、表示按計(jì)劃、安排過(guò)去將要發(fā)生的事。 用于come,go,leave,start,arrive等表示位置轉(zhuǎn)移的動(dòng)詞時(shí),也可以用過(guò)去進(jìn)行時(shí)表示過(guò)去將要發(fā)生的動(dòng)作。 如:He told me that he was going soon. 他告訴我他很快就要走了。 3、表示故事發(fā)生的背景。 It was snowing as the medical team made its way to the front. 那支醫(yī)療小組往前線行進(jìn)時(shí),天正下著雪。 4、表示一個(gè)新的動(dòng)作剛剛開始。 過(guò)去進(jìn)行時(shí)可用來(lái)引出一個(gè)新的動(dòng)作,這種用法頗有點(diǎn)兒像鏡頭轉(zhuǎn)換。 Five minutes later,he stood in the doorway smoking a cigarette. 5分鐘后,他已站在門口抽著煙。 5、過(guò)去進(jìn)行時(shí)還可和when結(jié)構(gòu)遙相呼應(yīng),含有意外之意。 I was walking in the street when someone called me. 我正在街上走時(shí)突然有人喊我。 6、用來(lái)陳述原因或用作借口。 She went to the doctor yesterday. She was having a lot of trouble with her heart. 她昨天去看病了。她患了很嚴(yán)重的心臟病。 7、與always,constantly等詞連用,表示感情色彩。 The girl was always changing her mind. 這女孩老是改變主意。 考點(diǎn)名稱:一般現(xiàn)在時(shí)一般現(xiàn)在時(shí): :表示通常性、規(guī)律性、習(xí)慣性的狀態(tài)或者動(dòng)作(有時(shí)間規(guī)律發(fā)生的事件)的一種時(shí)間狀態(tài)。 一般現(xiàn)在時(shí)的具體用法: 1. 表示經(jīng)常的或習(xí)慣性的動(dòng)作,常與表示頻率的時(shí)間狀語(yǔ)連用?!? e.g. I leave home for school at 7:00 every morning. 2. 表示客觀事實(shí)和普遍真理?!? e.g. The earth moves around the sun. 3. 表示現(xiàn)在發(fā)生的具體動(dòng)作或存在的狀態(tài) e.g. He lives in Beijing now. 4. 習(xí)慣性的愛好或行為 e.g. I like dancing while she likes singing. 5. 表示預(yù)先計(jì)劃或安排好的行為?!? e.g. Our class begins at 7:45. 6. 在時(shí)間狀語(yǔ)從句和條件狀語(yǔ)從句中,常用一般現(xiàn)在時(shí)代替將來(lái)時(shí)。 e.g. If you come, we will wait for you. 7. 表示格言或警句中。 e.g. Pride goes before a fall. 驕者必?cái)??!? 8.表示主語(yǔ)具備的性格、能力、特征和狀態(tài)?!?br>e.g. I don't want so much. Ann Wang writes good English but does not speak well. 比較:Now I put the sugar in the cup. I am doing my homework now. 9.在時(shí)間狀語(yǔ)從句和條件狀語(yǔ)從句中,常用一般現(xiàn)在時(shí)代替將來(lái)時(shí)?!?br>10.小說(shuō)故事用一般現(xiàn)在時(shí)代替一般過(guò)去時(shí)。新聞報(bào)道類的內(nèi)容,為了體現(xiàn)其“新鮮”性,也用一般現(xiàn)在時(shí)來(lái)表示過(guò)去發(fā)生的事情。 11.有些表示狀態(tài)和感覺的動(dòng)詞表示現(xiàn)在發(fā)生的具體行為時(shí),只用一般現(xiàn)在時(shí),而不用進(jìn)行時(shí)態(tài)。 注意★:此用法如果出現(xiàn)在賓語(yǔ)從句中,即使主句是過(guò)去時(shí),從句謂語(yǔ)也要用一般現(xiàn)在時(shí)。 例:Columbus proved that the earth is round.. 第一句用一般現(xiàn)在時(shí),用于操作演示或指導(dǎo)說(shuō)明的示范性動(dòng)作,表示言行的瞬間動(dòng)作。再如:Now watch me,I switch on the current and stand back. 第二句中的now是進(jìn)行時(shí)的標(biāo)志,表示正在進(jìn)行的動(dòng)作的客觀狀況,所以后句用一般現(xiàn)在時(shí)。一般現(xiàn)在時(shí)與現(xiàn)在進(jìn)行時(shí)的區(qū)別: 一、兩種時(shí)態(tài)的主要含義: 一般現(xiàn)在時(shí) 1.表示事物的本質(zhì)特性或客觀存在,沒有時(shí)限性。 The table ____ soft。(feels) 表特性特征。 Japan ___ in the east of China。 (lives) 表客觀事實(shí) 2.現(xiàn)階段經(jīng)常性、習(xí)慣性的行為,可帶頻率時(shí)間。 The shop closes at 7:30 p.m. Father doesn’t smoke. (習(xí)慣) 3.表說(shuō)話時(shí)的狀態(tài),感覺或結(jié)果,一般用狀態(tài)動(dòng)詞,如: It doesn’t matter. Does it hurt? (感覺結(jié)果) 4.特殊用法: -在條件、時(shí)間、讓步從句中用現(xiàn)在時(shí)代替將來(lái)。 -If you go there,I’ll help you. —用在begin,come,go,leave,return,open,close 等短暫謂語(yǔ)動(dòng)詞表規(guī)定計(jì)劃。 The plane takes off at 11:30. (不受主觀支配的計(jì)劃) -在劇本、解說(shuō)、標(biāo)題或there(here)開頭的句中表進(jìn)行 There goes the bell/Here comes Mr.Wang. I declare the meeting opens.(正在宣布) He meets the ball and hits back to No.2 (正在發(fā)生)
現(xiàn)在進(jìn)行時(shí) 1.說(shuō)話時(shí)正在發(fā)生,進(jìn)行的動(dòng)作 Look! Dark clouds are gathering . (正在發(fā)生) 2.表現(xiàn)階段正在進(jìn)行,但此刻不一定正在進(jìn)行的事。 He usually gets up at 6:00,but this week he is getting up at 7:00. (現(xiàn)階段正在進(jìn)行,但說(shuō)話時(shí)不一定在起床) 3.現(xiàn)在進(jìn)行時(shí)的特殊意義 -表示主觀打算常用于 go,come,leave,start,begin 等,位移、趨向動(dòng)詞。 How long are you staying here (準(zhǔn)備停留) -表示眼前剛過(guò)去的語(yǔ)意即“話音剛落”,適用于tell,say,talk,discuss You don’t believe it You know I’m telling the truth. -表示安慰、關(guān)心、喜歡、討厭等感情色彩。 He is always making noises in class. (討厭) -在條件、時(shí)間、讓步狀語(yǔ)從句中表示將來(lái)正在進(jìn)行。 Don’t bother him if he is reading this time tomorrow.
二、嚴(yán)格區(qū)分進(jìn)行時(shí)與一般時(shí)的語(yǔ)義 1. 持續(xù)動(dòng)詞的一般時(shí)表持續(xù)情況,經(jīng)常性,習(xí)慣性行為或客觀存在的事實(shí),進(jìn)行時(shí)表暫時(shí)性或有限時(shí)刻的持續(xù)。 2.短暫動(dòng)詞的一般時(shí)敘述事實(shí),特征,能力而短暫動(dòng)作進(jìn)行時(shí)描述反復(fù)發(fā)生,即將發(fā)生或剛開始行為。 3.短暫動(dòng)詞和靜態(tài)動(dòng)詞一般時(shí)表示實(shí)際情況客觀狀態(tài)、結(jié)果、特征、特性,進(jìn)行時(shí)表未完成含開始或漸進(jìn)之意。 The bus stops. (車停了-事實(shí)) The bus is stopping. (漸漸停下來(lái)) I love the job. (靜態(tài)事實(shí)) I am loving the job. ( 漸漸愛上了) 4.come,go,leave,start,return,move,reach,sail,fall 等一般時(shí)態(tài)表客觀規(guī)定計(jì)劃,進(jìn)行時(shí)表主觀打算推測(cè)。 Flight 254 leaves at 5:30. (表主觀打算) The plane is taking off an hour later.(主觀判斷) 5.現(xiàn)在進(jìn)行時(shí)帶always,often,usually,sometimes,等頻率副詞表感情色彩,一般現(xiàn)在時(shí)則沒有此用法。一般現(xiàn)在時(shí)的句子轉(zhuǎn)換: (1)當(dāng)句子中有be動(dòng)詞或情態(tài)動(dòng)詞時(shí),則把be動(dòng)詞或情態(tài)動(dòng)詞(can,could等等)提到主語(yǔ)的前面變成疑問(wèn)句;在be動(dòng)詞或情態(tài)動(dòng)詞后面加not變成否定句. 例: ①陳述句:She is a student. 疑問(wèn)句→ Is she a student? 否定句→ She is not a student. ②陳述句:I can swim. 疑問(wèn)句→ Can you swim 否定句→ I can not swim.
(2)當(dāng)句子中即沒有be動(dòng)詞,也沒有情態(tài)動(dòng)詞時(shí),則在主語(yǔ)前加助動(dòng)詞do (you,以及復(fù)數(shù)),does(單數(shù)she,he,it)變成問(wèn)句; 在主語(yǔ)后謂語(yǔ)動(dòng)詞前加助動(dòng)詞don’t(I,you,以及復(fù)數(shù)), doesn’t(單數(shù)she,he,it)變成否定句,助動(dòng)詞后的動(dòng)詞要變成動(dòng)詞原形。 例: ①陳述句:We get up at 7:00 every morning. 疑問(wèn)句→Do you get up at 7:00 every morning? 否定句→We don’t get up at 7:00 every morning. ②陳述句:She has a little brother. 疑問(wèn)句→ Does she have a little brother? 否定句→ She doesn’t have a little brother. 一般現(xiàn)在時(shí)的表達(dá)方法: 主要通過(guò)謂語(yǔ)動(dòng)詞的變化和用時(shí)間詞語(yǔ)來(lái)表示,其中最主要的是謂語(yǔ)動(dòng)詞的變化。現(xiàn)在一般時(shí)動(dòng)詞變化的規(guī)則是: 1.如果主語(yǔ)是名詞復(fù)數(shù)和第一人稱I、 we ,謂語(yǔ)動(dòng)詞不用做任何變化,即仍然用動(dòng)詞原形表示: We usually go to school at 7:30. 我們通常7:30上學(xué)去。[go] My parents give ten yuan to my sister every week.我父母每星期給我妹妹十元錢。[give]
2.主語(yǔ)是任何一個(gè)單數(shù)名詞或者是第三人稱單數(shù),謂語(yǔ)動(dòng)詞要進(jìn)行必要的變化。特別提一點(diǎn):不可數(shù)名詞也算作單數(shù)處理。
3.謂語(yǔ)動(dòng)詞的變化規(guī)律是: 第三人稱單數(shù)的構(gòu)成見下表: 詞 | 構(gòu)成 | 舉例 | 一般情況 | 詞尾+s | 動(dòng)詞原形 | 第三人稱單數(shù) | work(工作) stop(停止) | works stops | 以-ch, -sh, s, x, o結(jié)尾 | 詞尾+es | teach(教) wash(洗) dress(裝扮) fix(安裝) go(去) | teaches washes dresses fixes goes | 以“輔音字母+y”結(jié)尾 | 變y為i,再加es | fly(飛翔) try(嘗試) | flies tries |
特殊變化的詞: be (是) - am,is,are I am she/he/it,名詞單數(shù)都用 is we,you,they,名詞復(fù)數(shù)都用are have (有) - have,has I,we,you,they,名詞復(fù)數(shù)都用have she/he/it is,名詞單數(shù)都用 has
助動(dòng)詞,不論單復(fù)數(shù)、不論什么人稱都沒有變化,都用 can,may,must,need,ought to 等。 而且,句子中有了助動(dòng)詞,謂語(yǔ)動(dòng)詞就不需要有任何變化了,即用動(dòng)詞原形表示。例: We have six classes every day. 我們每天上六節(jié)課。 I often get up at 6:30. 我經(jīng)常6:30起床。 Jack likes Chinese food very much.杰克很喜歡中國(guó)飲食。 We can see some pictures on the wall. 我們能看到墻上的畫。
4.一般現(xiàn)在時(shí)常用的時(shí)間詞語(yǔ) 常用于一般現(xiàn)在時(shí)的詞語(yǔ)有 sometimes/usually/often/every day(week,year)/ now/always 等。 這些時(shí)間詞語(yǔ)只是輔助作用,這些詞語(yǔ)也可用于其它的時(shí)態(tài),所以謂語(yǔ)動(dòng)詞變化才是最關(guān)鍵的。 注意:當(dāng)表現(xiàn)強(qiáng)烈的感情色彩時(shí),盡管有如 always/never/seldom 等頻率副詞,但一般在頻率副詞前加上be動(dòng)詞,后面變?yōu)閯?dòng)詞的現(xiàn)在分詞形式。 例:My father lose his key again. He is always losing his key. 一般現(xiàn)在時(shí)的基本結(jié)構(gòu):

一般現(xiàn)在時(shí)中當(dāng)主語(yǔ)為第三人稱單數(shù)的時(shí),動(dòng)詞上要改為第三人稱單數(shù)形式。
考點(diǎn)名稱:過(guò)去完成進(jìn)行時(shí)過(guò)去完成進(jìn)行時(shí): 就是相對(duì)過(guò)去的某個(gè)時(shí)刻來(lái)說(shuō)已經(jīng)對(duì)現(xiàn)在有直接影響并且還在進(jìn)行的動(dòng)作。放在間接引語(yǔ)或虛擬語(yǔ)氣中時(shí)它的時(shí)態(tài)不能再向前推,向后推是現(xiàn)在完成進(jìn)行時(shí)。 過(guò)去完成進(jìn)行時(shí)是由"had been+現(xiàn)在分詞"構(gòu)成。 例如:She had been suffering from a bad cold when she took the exam. 她在考試之前一直患重感冒。
特點(diǎn): 1.這種時(shí)態(tài)很少用在否定句中,而多以過(guò)去完成時(shí)代替: He had not practised English for many years.(普通說(shuō)法) He had not been practising English for many years.(少見)
2.這種時(shí)態(tài)還可用在said,supposed等引起的間接引語(yǔ)中,代替現(xiàn)在完成進(jìn)行時(shí): He said,“I have been speaking to John.”= He said that he had been speaking to John. He thought,“She was watching me when I passed.”= He thought that she had been watching him when he had passed.
3.過(guò)去完成進(jìn)行時(shí)經(jīng)常與現(xiàn)在完成進(jìn)行時(shí)混淆。 現(xiàn)在完成進(jìn)行時(shí) (The present perfect progressive) 由 have/has been +-ing 分詞構(gòu)成; 過(guò)去完成進(jìn)行時(shí)( The past perfect progressive tenses )由 had been +-ing 分詞構(gòu)成. 現(xiàn)在/過(guò)去完成進(jìn)行時(shí)的用法: A. 在某段時(shí)間內(nèi)一直進(jìn)行的動(dòng)作用現(xiàn)在完成進(jìn)行時(shí)來(lái)強(qiáng)調(diào)動(dòng)作在某段時(shí)間里的持續(xù)性. 動(dòng)作通常有"現(xiàn)在"的結(jié)果,要根據(jù)上下文來(lái)確定到"現(xiàn)在"為止,動(dòng)作是否還在繼續(xù)進(jìn)行. 同樣,過(guò)去完成進(jìn)行時(shí)表示在過(guò)去更早時(shí)間內(nèi)進(jìn)行的動(dòng)作,并對(duì)過(guò)去某一時(shí)刻產(chǎn)生結(jié)果。 B.表示重復(fù)動(dòng)作的現(xiàn)在/過(guò)去完成進(jìn)行時(shí) 我們也可以用完成進(jìn)行時(shí)形式來(lái)表示現(xiàn)在或過(guò)去經(jīng)常重復(fù)的動(dòng)作 注意:過(guò)去完成進(jìn)行時(shí)和過(guò)去完成時(shí)類似,需要有過(guò)去這一時(shí)間點(diǎn)。 過(guò)去完成進(jìn)行時(shí)與過(guò)去完成時(shí)比較: 過(guò)去完成進(jìn)行時(shí)與過(guò)去完成時(shí)的用法很相近,它通常表示某個(gè)過(guò)去正在進(jìn)行的動(dòng)作或狀態(tài),持續(xù)到過(guò)去某個(gè)時(shí)刻,還未完成,一直持續(xù)到之后的當(dāng)前才結(jié)束 He had been waiting for two weeks. He was still waiting.(有一個(gè)表示一段時(shí)間的狀語(yǔ)) Up to that time he had been translating those books.(He was still translating at “that time”.) He had been writing the letter till two o'clock. He was now thirty years old.He had been gambling since he was ten.(He was still gambling at thirty.) He had been standing there in the sun.(沒有時(shí)間狀語(yǔ)) He had been thinking about his marriage. 不過(guò)這種時(shí)態(tài)并不一定表示這個(gè)過(guò)去動(dòng)作將持續(xù)下去: He came back at seven.He had been waiting for her two hours.(At seven he did not wait any more.) He stopped swimming.He had been swimming for the last three hours.過(guò)去完成進(jìn)行時(shí)用法: ①表示過(guò)去某一時(shí)間之前一直進(jìn)行的動(dòng)作。 過(guò)去完成進(jìn)行時(shí)表示動(dòng)作在過(guò)去某一時(shí)間之前開始,一直延續(xù)到這一過(guò)去時(shí)間。 和過(guò)去完成時(shí)一樣,過(guò)去完成進(jìn)行時(shí)也必須以一過(guò)去時(shí)間為前提。 I had been looking for it for days before I found it. 這東西我找了好多天才找著的。 They had only been waiting for the bus a few moments when it came. 他們只等了一會(huì)兒車就來(lái)了。
②表示反復(fù)的動(dòng)作。 He had been mentioning your name to me. 他過(guò)去多次向我提到過(guò)你的名字。 You had been giving me everything. 你對(duì)我真是有求必應(yīng)。
③過(guò)去完成進(jìn)行時(shí)還常用于間接引語(yǔ)中 The doctor asked what he had been eating .醫(yī)生問(wèn)他吃了什么。 I asked where they had been staying all those days. 我問(wèn)他們那些天是呆在哪兒的。
④過(guò)去完成進(jìn)行時(shí)之后也可接具有“突然”之意的when分句。 I had only been reading a few minutes when he came in. 我剛看了幾分鐘他就進(jìn)來(lái)了。 She'd only been reviewing her lessons for a short while when her little sister interrupted her. 她溫習(xí)功課才一會(huì)兒,她妹妹就打斷她了。 I had been sleeping when my friend telephone me. 我正在睡覺時(shí),我的朋友給我打電話。篇二 : There are altogether eleven books on the shelf, __ There are altogether eleven books on the shelf, ______five are mine.A.on which | B.in which | C.of which | D.from which |
| 題型:?jiǎn)芜x題難度:中檔來(lái)源:不詳
本題考查介詞與關(guān)系代詞引導(dǎo)的定語(yǔ)從句。先行詞eleven books與five之間構(gòu)成從屬關(guān)系,因此選擇C。 |
考點(diǎn): 考點(diǎn)名稱:可數(shù)名詞及其單復(fù)數(shù)可數(shù)名詞: 是指能以數(shù)目來(lái)計(jì)算,可以分成個(gè)體的人或東西;因此它有復(fù)數(shù)形式,當(dāng)它的復(fù)數(shù)形式在句子中作主語(yǔ)時(shí),句子的謂語(yǔ)也應(yīng)用復(fù)數(shù)形式。
可數(shù)名詞復(fù)數(shù)的規(guī)則變化:
情況 | 構(gòu)成方法 | 讀音 | 例詞 | 一般情況 | 加 –s | 1.清輔音后讀/s/; 2.濁輔音和元音后讀/z/;
| map-maps bag-bags car-cars | 以s,sh,ch,x等結(jié)尾的詞 | 加 -es | 讀 /iz/ | bus-buses watch-watches | 以ce,se,ze,(d)ge等結(jié)尾 的詞 | 加 -s | 讀 /iz/ | license-licenses | 以輔音字母+y結(jié)尾的詞 | 變y 為i再加es | 讀 /z/ | baby-babies | 另外: 1)以y 結(jié)尾的專有名詞,或元音字母+y結(jié)尾的名詞變復(fù)數(shù)時(shí),直接加s變復(fù)數(shù): 如:two Marys the Henrys monkey---monkeys holiday---holidays 比較:層樓:storey---storeys story---stories 2)以o 結(jié)尾的名詞,變復(fù)數(shù)時(shí): a. 加s,如: photo---photos piano---pianos b. 加es,如:potato--potatoes tomato--tomatoes c. 均可,如:zero---zeros / zeroes 3)以f或fe 結(jié)尾的名詞變復(fù)數(shù)時(shí): a. 加s,如: belief---beliefs roof---roofs safe---safes gulf---gulfs; b. 去f, fe 加ves,如:half---halves knife---knives leaf---leaves wolf---wolves wife---wives life---lives thief---thieves; c. 均可,如:handkerchief: handkerchiefs / handkerchieves
可數(shù)名詞復(fù)數(shù)的不規(guī)則變化:
1)child---children foot---feet tooth---teeth mouse---mice man---men woman---women 注意:與 man 和 woman構(gòu)成的合成詞,其復(fù)數(shù)形式也是 -men 和-women。 如:an Englishman,two Englishmen. 但German不是合成詞,故復(fù)數(shù)形式為Germans;Bowman是姓,其復(fù)數(shù)是the Bowmans。 2)單復(fù)同形 如: deer,sheep,fish,Chinese,Japanese li,jin,yuan,two li,three mu,four jin 但除人民幣元、角、分外,美元、英鎊、法郎等都有復(fù)數(shù)形式。如: a dollar, two dollars; a meter, two meters 3)集體名詞,以單數(shù)形式出現(xiàn),但實(shí)為復(fù)數(shù)。 如:staff people police cattle 等本身就是復(fù)數(shù),不能說(shuō)a staff a people,a police,a cattle, 但可以說(shuō)a person,a policeman,a head of cattle, the English,the British,the French,the Chinese,the Japanese,the Swiss 等名詞,表示國(guó)民總稱時(shí),作復(fù)數(shù)用。 如:The Chinese are industries and brave. 中國(guó)人民是勤勞勇敢的。 4)以s 結(jié)尾,仍為單數(shù)的名詞,如: a. maths,politics,physics等學(xué)科名詞,為不可數(shù)名詞,是單數(shù)。 b. news 是不可數(shù)名詞。 c. the United States,the United Nations 應(yīng)視為單數(shù)。 The United Nations was organized in 1945. 聯(lián)合國(guó)是1945年組建起來(lái)的。 d. 以復(fù)數(shù)形式出現(xiàn)的書名,劇名,報(bào)紙,雜志名,也可視為單數(shù)。 "The Arabian Nights" is a very interesting story-book. <<一千零一夜>>是一本非常有趣的故事書。 5) 表示由兩部分構(gòu)成的東西,如:glasses (眼鏡) trousers, clothes; 若表達(dá)具體數(shù)目,要借助數(shù)量詞 pair(對(duì),雙); suit(套); a pair of glasses; two pairs of trousers 6)另外還有一些名詞,其復(fù)數(shù)形式有時(shí)可表示特別意思,如:goods貨物,waters水域,fishes(各種)魚
復(fù)合名詞的復(fù)數(shù)形式: 名詞作定語(yǔ)名詞作定語(yǔ)一般用單數(shù),但也有以下例外。 1)用復(fù)數(shù)作定語(yǔ)。 如:sports meeting 運(yùn)動(dòng)會(huì) students reading-room 學(xué)生閱覽室 talks table 談判桌 the foreign languages department 外語(yǔ)系 2)man, woman, gentleman等作定語(yǔ)時(shí),其單復(fù)數(shù)以所修飾的名詞的單復(fù)數(shù)而定。 如:men workers women teachers gentlemen officials 3)有些原有s結(jié)尾的名詞,作定語(yǔ)時(shí),s保留。 如:goods train (貨車) arms produce 武器生產(chǎn) customs papers 海關(guān)文件 clothes brush衣刷 4)數(shù)詞+名詞作定語(yǔ)時(shí),這個(gè)名詞一般保留單數(shù)形式。 如:two-dozen eggs 兩打/(二十四個(gè)雞蛋) a ten-mile walk 十里路 two-hundred trees 兩百棵樹 a five-year plan 一個(gè)五年計(jì)劃 可數(shù)名詞單復(fù)數(shù)知識(shí)體系: 
不同國(guó)籍人的單復(fù)數(shù):
國(guó)籍 | 總稱(謂語(yǔ)用復(fù)數(shù)) | 單數(shù) | 復(fù)數(shù) | 中國(guó)人 | the Chinese | a Chinese | two Chinese | 瑞士人 | the Swiss | a Swiss | two Swiss | 澳大利亞人 | the Australians | an Australian | two Australians | 俄國(guó)人 | the Russians | a Russian | two Russians | 意大利人 | the Italians | an Italian | two Italians | 希臘人 | the Greek | a Greek | two Greeks | 法國(guó)人 | the French | a Frenchman | two Frenchmen | 日本人 | the Japanese | a Japanese | two Japanese | 美國(guó)人 | the Americans | an American | two Americans | 印度人 | the Indians | an Indian | two Indians | 加拿大人 | the Canadians | a Canadian | two Canadians | 德國(guó)人 | the Germans | a German | two Germans | 英國(guó)人 | the English | an Englishman | two Englishmen | 瑞典人 | the Swedish | a Swede | two Swedes |
考點(diǎn)名稱:動(dòng)名詞 動(dòng)名詞概念: 動(dòng)名詞是一種兼有動(dòng)詞和名詞特征的非限定動(dòng)詞。它可以支配賓語(yǔ),也能被副詞修飾,動(dòng)名詞有時(shí)態(tài)和語(yǔ)態(tài)的變化。 現(xiàn)在分詞和動(dòng)名詞用法比較: 動(dòng)詞的-ing形式包括現(xiàn)在分詞和動(dòng)名詞兩種形式。他們的句法功能如下: 動(dòng)詞的-ing形式如果作句子的主語(yǔ)或者賓語(yǔ)時(shí),應(yīng)該是動(dòng)名詞形式;如果作補(bǔ)語(yǔ)或者狀語(yǔ)時(shí),應(yīng)該是現(xiàn)在分詞形式。那么作表語(yǔ)或者定語(yǔ)的動(dòng)名詞和現(xiàn)在分詞又該怎樣區(qū)分呢? 1、動(dòng)名詞與現(xiàn)在分詞作表語(yǔ)時(shí)的比較: (1)動(dòng)名詞作表語(yǔ)說(shuō)明主語(yǔ)的內(nèi)容,回答what的問(wèn)題;現(xiàn)在分詞作表語(yǔ)相當(dāng)于形容詞作表語(yǔ),說(shuō)明主語(yǔ)的性質(zhì)、特征等,回答how的問(wèn)題。 如:One of the best exercises is swimming. 游泳是最好的運(yùn)動(dòng)項(xiàng)目之一。 What pleases him most is bathing in the sea. 最使他高興的事是在海中沐浴。 The situation both at home and abroad is very in-spiring. 國(guó)內(nèi)外的形勢(shì)都很鼓舞人心。 The color is pleasing to the eye. 顏色悅目。 (2)動(dòng)名詞作表語(yǔ),表語(yǔ)和主語(yǔ)幾乎處于同等地位,可以互換位置,其句意不變;現(xiàn)在分詞作表語(yǔ),表語(yǔ)和主語(yǔ)則不能互換位置。 如:Our work is serving the people. (=Serving the people is our work.)我們的工作是為人民服務(wù)。 The news was disappointing. 那消息令人失望。 (3)作表語(yǔ)的現(xiàn)在分詞前可以用very,quite,rather,greatly等副詞修飾,而動(dòng)名詞則不可以。 如:What he said was very encouraging. 他的話很鼓舞人心。 Our goal is realizing the four modernizations in the near future. 我們的目標(biāo)是在不久的將來(lái)實(shí)現(xiàn)四個(gè)現(xiàn)代化。 (4)現(xiàn)在分詞與形容詞一樣可以和more,the most構(gòu)成形容詞的比較級(jí)和最高級(jí),而動(dòng)名詞則不可以。 如:The story is the most fascinating. 那個(gè)故事最迷人。 (5)作表語(yǔ)用的現(xiàn)在分詞除了和be連用以外,還可以和其它的系動(dòng)詞連用;而作表語(yǔ)的動(dòng)名詞則通常只能和be連用。 如:His speech seems inspiring.他的演講似乎很鼓舞人心。 His interest is writing for the news papers. 他的愛好是給報(bào)社寫文章。 (6)有些用作表語(yǔ)的現(xiàn)在分詞已經(jīng)形容詞化了。常見的有:exciting,moving,inspiring,missing,interesting,disappointing等。 2、動(dòng)名詞與現(xiàn)在分詞作定語(yǔ)時(shí)的比較: (1)動(dòng)名詞作定語(yǔ)時(shí),表示它所修飾的名詞的性能和用途,和它所修飾的名詞在邏輯上沒有主謂關(guān)系; 現(xiàn)在分詞作定語(yǔ)時(shí),表示它所修飾的名詞正在進(jìn)行的動(dòng)作,和它所修飾的名詞在邏輯上有主謂關(guān)系,??梢詳U(kuò)展成一個(gè)定語(yǔ)從句。 如:a swimming girl=a girl who is swimming 一個(gè)在游泳的姑娘 a walking stick=a stick that is used for walking 一根拐杖 (2)現(xiàn)在分詞作定語(yǔ)有時(shí)可以后置,而動(dòng)名詞則通常只能放在它所修飾的名詞之前。 如:The girl wearing glasses is one of his students. 戴眼鏡的那個(gè)女孩是他的一個(gè)學(xué)生。 I bought some reading materials. 我買了一些閱讀材料。 動(dòng)名詞的用法: 1、作主語(yǔ): 例如:Fighting broke out between the South and the North. 南方與北方開戰(zhàn)了。 2、作賓語(yǔ): a. 有些動(dòng)詞可以用動(dòng)名詞作賓語(yǔ)。 例如:admit承認(rèn) appreciate感激 avoid避免 complete完成 consider認(rèn)為 delay耽誤 deny否認(rèn) detest討厭 endure忍受 enjoy喜歡 escape逃脫 fancy想象 finish完成 imagine想象 mind介意 miss想念 postpone推遲 practice訓(xùn)練 recall回憶 resent討厭 resume繼續(xù) resist抵抗 risk冒險(xiǎn) suggest建議 face面對(duì) include包括 stand忍受 understand理解 forgive寬恕 keep繼續(xù) 例如:Would you mind turning down your radio a little, please? 你把收音機(jī)音量調(diào)小一點(diǎn),好嗎? The squirrel was lucky that it just missed being caught. 這松鼠幸運(yùn)得很,剛逃避了被逮住的厄運(yùn)?! ?br>b. 有些結(jié)構(gòu)后面可以用動(dòng)名詞作賓語(yǔ)或其他成分。 例如:admit to prefer...to burst out keep on insist on count on set about put off be good at take up give up be successful in be used to lead to devote oneself to object to stick to no good no use be fond of look forward to be proud of be busy can't help be tired of be capable of be afraid of think of 3、作表語(yǔ),對(duì)主語(yǔ)說(shuō)明、解釋: 例如:Her job is washing, cleaning and taking care of the children. 她的工作是洗刷、清掃和照顧孩子。 比較:She is washing, cleaning and taking care of the children. 4、作定語(yǔ),一般表示所修飾名詞事物的用途: 例如:a writing desk=a desk for writing 寫字臺(tái) a swimming pool=a pool swimming 游泳池 有些動(dòng)名詞作定語(yǔ),與所修飾的名詞關(guān)系比較復(fù)雜。 例如:boiling point=a temperature point at which something begins to boil 沸點(diǎn) a walking tractor=a tractor which a driver can operate while he or she is walking behind it 手扶拖拉機(jī) 動(dòng)名詞知識(shí)體系: 
動(dòng)名詞與不定式用法對(duì)比:  考點(diǎn)名稱:表語(yǔ)從句表語(yǔ)從句的概念: 用作表語(yǔ)的從句叫作表語(yǔ)從句,它位于主句中的連系動(dòng)詞之后。引導(dǎo)表語(yǔ)從句的詞有 從屬連詞that、whether、as though(if); 關(guān)系代詞who, what, which, whom, whose, whatever, whoever, whomever, whichever等; 關(guān)系副詞when, where, why, how, however, when。 表語(yǔ)從句用法: 1、表語(yǔ)從句的引導(dǎo)詞: 引導(dǎo)表語(yǔ)從句的詞有連詞that, whether,連接代詞和連接副詞,關(guān)系代詞型what,以及as if,as though,because等連詞: 如:The fact is that he doesn't really try. 事實(shí)是他沒有做真正的努力。 The question is whether the film is worth seeing. 問(wèn)題是這部電影是否值得看。 The problem is how we can find him. 問(wèn)題是我們?nèi)绾握业剿? That was when I was fifteen. 這是我15歲時(shí)發(fā)生的事。 It isn't as if you were going away for ever. 又不是你離開不回來(lái)了。 It is because I love you too much. 那是因?yàn)槲姨珢勰懔恕?br>注:whether可此導(dǎo)表語(yǔ)從句,但與之同義的if 卻通常不用于引導(dǎo)表語(yǔ)從句;because可引導(dǎo)表語(yǔ)從句,但與之同義的since, as, for等也不用于引導(dǎo)表語(yǔ)從句。
2、連詞that的省略問(wèn)題引導(dǎo)表語(yǔ)從句的that通常不省略,但在口語(yǔ)或非正式文體中有時(shí)也可省略: 如:My idea is(that) we should do it right away. 我的意見是我們應(yīng)該馬上干。 The trouble is(that) he is ill. 糟糕的 表語(yǔ)從句用法拓展: 名詞性從句在be等系動(dòng)詞后作表語(yǔ)時(shí)被稱為表語(yǔ)從句,表語(yǔ)從句只能置于主句之后,而主句的動(dòng)詞只能是聯(lián)系動(dòng)詞。 例如:The problem is how we can get the things we need. 問(wèn)題是我們?cè)鯓幽芘轿覀冃枰臇|西。(how在表語(yǔ)從句中充當(dāng)方式狀語(yǔ)) The scissors are not what I need. 這把剪刀不是我所需要的。(what在表語(yǔ)從句中充當(dāng)賓語(yǔ)) What I told him was that I would find him a good play. 我告訴他的是我會(huì)給他找個(gè)好劇本。(what在主語(yǔ)從句中作直接賓語(yǔ),that作為表語(yǔ)從句的引導(dǎo)詞在該表語(yǔ)從句中不充當(dāng)句子成分,不能省略) That is what I want to tell you. 那就是我想要對(duì)你講的。(what在表語(yǔ)從句中充當(dāng)直接賓語(yǔ)) That is why she failed to pass the exam. 那就是她考試不及格的原因。(why在表語(yǔ)從句中充當(dāng)原因狀語(yǔ)) 注意:“That is why...”是常用句型,意為“這就是……的原因/因此……”,其中why引導(dǎo)的名詞性從句在句中作表語(yǔ),該句型通常用于針對(duì)前面已經(jīng)說(shuō)明過(guò)的原因進(jìn)行總結(jié): 如:That is why you see this old woman before you know, Jeanne.珍妮,這就是現(xiàn)在這個(gè)老太婆出現(xiàn)在你面前的原因。(前文提到Jeanne對(duì)老婦人顯得蒼老憔悴深感詫異,說(shuō)話人對(duì)她講述了其中的原因之后,用這一句來(lái)進(jìn)行概括)。//ThatiswhyIcame.這就是我來(lái)的原因。下面是兩個(gè)與“That is why...”形式相似的結(jié)構(gòu),它們與“That is why...”結(jié)構(gòu)之間的關(guān)系要能夠辨析清楚: (1)“That is why...”與“That is the reason why...”同義,只不過(guò)從語(yǔ)法結(jié)構(gòu)上講,“That is the reason why...”中why引導(dǎo)的是—個(gè)定語(yǔ)從句,將其中的the reason去掉則與“That is why...”結(jié)構(gòu)一樣: 如:That is(the reason) why I can not agree. 這就是我不能同意的理由?! ?br>(2)“That is because...”句型中從屬連詞because引導(dǎo)的名詞性從句在此作表語(yǔ),這也是個(gè)常用句型,意為“這就是為什么……/因?yàn)椤??!癟hat is because...”與“That is why...”之間的不同在于“That is because...”指原因或理由,“That is why...”則指由于各種原因所造成的后果: 如:He did not see the film last night. That is because he had to help his little sister with her homework. 昨天晚上他沒有去看電影,那是因?yàn)樗脦椭拿妹米鲎鳂I(yè)。(第一句話說(shuō)明結(jié)果,第二句話說(shuō)明原因) He had seen the film before. That is why he did not see it last night. 他以前曾看過(guò)那部電影,因此他昨天晚上沒有去看。(第一句話說(shuō)明原因,第二句話說(shuō)明結(jié)果) 考點(diǎn)名稱:縮寫與簡(jiǎn)寫縮寫與簡(jiǎn)寫的概念: 用單詞首尾字母組成一個(gè)新詞的英語(yǔ)構(gòu)詞法叫做首尾字母縮略法。這種形式的英語(yǔ)構(gòu)詞生成的新詞,讀音主要有兩種形式,即各字母分別讀音;作為一個(gè)單詞讀音。 如:Foreign Language Teaching Agency→FLTA上海外教網(wǎng) Testing of English as a Foreign Language→TOEFL托福 Teach English as a Foreign Language→TEFL Teach English as a Second Language→TESL Graduate Record Examination→GRE美國(guó)研究生入學(xué)考試
縮寫的幾種類型: 1、單詞縮寫應(yīng)省略在輔音之后,元音之前: 英文單詞縮寫一般以輔音結(jié)尾,而不以元音結(jié)尾。如American省略為Am,而不省略為Ame或Amer,Medicine或Medical縮寫為Med,European縮寫為Eur等。但Science例外,縮寫為Sci,可能是因?yàn)樵鬒之后又是元音E的緣故??s寫刊名每個(gè)詞首字母必須大寫,而不可全部都用大寫或小寫。 2、壓縮字母法: 僅個(gè)別單詞采用壓縮字母方式縮寫。 如:Japanese縮寫為Jpn而不是Jan National應(yīng)縮寫為Natl而不是Nat 經(jīng)常有讀者將Japanese寫成Jan是參考文獻(xiàn)著錄中常見的錯(cuò)誤。 如:Japanese Journal of Ophthalmology,應(yīng)縮寫為JpnJOphthalmol,National Cancer Institute Research Report縮寫為NatlCancerInstResRep。而Nat是Nature和Natural的縮寫,如:NatureMedicine, Naturebiotechnology分別縮寫為NatMed, NatBiotechnol。 另外CN是中國(guó)的國(guó)別代碼,期刊縮寫刊名中,ChinaChinese不得縮寫為CN,而應(yīng)縮寫為Chin.采用壓縮寫法是為了避免與其他常用縮寫混淆。 如:Japanese不能縮寫為Jan,可能是Jan是January的固定縮寫形式,National縮寫為Natl而不縮寫為Nat,可能是Nat是Nature和Natural的縮寫。 3、學(xué)科名稱縮寫: 刊名中學(xué)科名稱縮寫很常見,因而了解學(xué)科名縮寫規(guī)則非常必要。凡以-ogy結(jié)尾的單詞,一律將詞尾-ogy去掉,如Cardiology縮寫為Cariol,Biology縮寫為Biol,以-ics結(jié)尾的學(xué)科名詞,縮寫時(shí)將-ics或連同其前面若干字母略去。如:Physics縮寫為Phys。以-try結(jié)尾的詞,縮寫時(shí)將-try連同前面若干字母略去。如:chemistry縮寫為Chem。其中也包括其他形容詞的縮寫。 4、刊名中常用詞和特殊單詞的縮寫: 期刊名中有些常用單詞可以縮寫為一個(gè)字母。 如:Journal縮寫為J Quarterly縮寫為Q Royal縮寫為R New縮寫為N South縮寫為S 5、刊名首字母組合: 有些雜志名稱縮寫采用首字母組合,而且已被固定下來(lái),一般都是國(guó)際上有較大影響的期刊,并得到國(guó)際上眾多索引性檢索工具的認(rèn)同。 如:The Journal of American Medical Association縮寫為JAMA,British Medical Journal縮寫為BMJ等。 6、國(guó)家名稱的縮寫: 刊名中國(guó)家名稱的縮寫分為兩種情況。如國(guó)家名稱為單個(gè)詞匯,縮寫時(shí)常略去詞尾或詞的后部分若干字母。 如:American縮寫為Am British縮寫為Br Chinese縮寫為Chin 而國(guó)家名稱由多個(gè)詞組組成時(shí),常取每個(gè)詞的首字母,如United States of America 縮寫為USA或US。 7、虛詞一律省略: 有許多虛詞,如the, of, for, and, on, from, to等,在縮寫時(shí)均省去。 如:Journal of chemistry縮寫為J chem Archives of Medical Research縮寫為Arch Med Res
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