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中學(xué)英語(yǔ)語(yǔ)法簡(jiǎn)表(3)

 公司總裁 2012-09-19

中學(xué)英語(yǔ)語(yǔ)法簡(jiǎn)表(3)

Langzi選編

七.情態(tài)動(dòng)詞

I. 情態(tài)動(dòng)詞基本用法:

 

情態(tài)動(dòng)詞

用法

否定式

疑問(wèn)式與簡(jiǎn)答

can

能力(體力,智力,技能)

允許或許可(口語(yǔ)中常用)

可能性(表猜測(cè),用于否定句或疑問(wèn)句中)

can not / cannot /can’t do

Can…do…?

Yes,…can.

No,…can’t.

could

couldn’t do

may

可以(問(wèn)句中表示請(qǐng)求)

可能,或許(表推測(cè))

祝愿(用于倒裝句中)

may not do

May…do…? Yes,…may.

No,…mustn’t/can’t.

might

might not do

Might…do…? Yes,…might

No,…might not.

must

必須,應(yīng)該(表主觀要求)

肯定,想必(肯定句中表推測(cè))

must not/mustn’t do

Must…do…? Yes,…must.

No,…needn’t/don’t have to.

have to

只好,不得不(客觀的必須,有時(shí)態(tài)人稱變化)

don’t have to do

Do…h(huán)ave to do…?

Yes,…do.  No,…don’t.

ought to

應(yīng)當(dāng)(表示義務(wù)責(zé)任,口語(yǔ)中多用should

ought not to/oughtn’t to do

Ought…to do…?

Yes,…ought. No,…oughtn’t.

shall

將要,會(huì)

用于一三人稱征求對(duì)方意見(jiàn)

用于二三人稱表示許諾、命令、警告、威脅等

shall not/shan’t do

Shall…do…?

Yes,…shall.  No,…shan’t.

should

應(yīng)當(dāng),應(yīng)該(表義務(wù)責(zé)任)

本該(含有責(zé)備意味)

should not/shouldn’t do

Should…do…?

will

意愿,決心

請(qǐng)求,建議,用在問(wèn)句中would比較委婉

will not/won’t do

Will…do…?

Yes,…will.  No,…won’t.

would

would not/wouldn’t do

dare

敢(常用于否定句和疑問(wèn)句中)

dare not/daren’t do

Dare…do…?

Yes,…dare. No,…daren’t.

need

需要

必須(常用于否定句和疑問(wèn)句中)

need not/needn’t do

Need…do…?

Yes,…must. No,…needn’t.

used to

過(guò)去常常(現(xiàn)在已不再)

used not/usedn’t/usen’t to do

didn’t use to do

Used…to do…?

Yes,…used.  No,…use(d)n’t.

Did…use to do…?

Yes,…did.  No,…didn’t.

 

II. 情態(tài)動(dòng)詞must, may, might, could, can表示推測(cè):

以must為例。must + do(be)是推測(cè)現(xiàn)在存在的一般狀態(tài)進(jìn)行;must + be doing 推測(cè)可能正在進(jìn)行的事情;must +have done是推測(cè)可能已經(jīng)發(fā)生過(guò)的事情。

1. must“肯定,一定”語(yǔ)氣強(qiáng),只用于肯定句中。

He must be a man from America. / He must be talking with his friend. / He must have already arrived there.

2. may和might“也許”,后者語(yǔ)氣弱,更沒(méi)有把握??捎糜诳隙ň浜头穸ň?。

He may not be at home. / They might have finished their task.

3. can和could“可能”,could表示可疑的可能性,不及can’t語(yǔ)氣強(qiáng),用于肯定、否定、疑問(wèn)句中。

The weather in that city could be cold now.

We could have walked there; it was so near.(推測(cè)某事本來(lái)可能發(fā)生,但實(shí)際上沒(méi)有發(fā)生)

Can he be in the office now? No, he can’t be there, for I saw him in the library just now.(語(yǔ)氣很強(qiáng),常用于疑問(wèn)句和否定句中)

III. 情態(tài)動(dòng)詞注意點(diǎn):

1. can和be able to: 都可以表示能力。但be able to可以表達(dá)“某事終于成功”,而can無(wú)法表達(dá)此意。Be able to有更多的時(shí)態(tài)。另外,兩者不能重疊使用。

2. used to和would:  used to表示過(guò)去常常做現(xiàn)在已經(jīng)不再有的習(xí)慣,而would只表示過(guò)去的習(xí)慣或喜好,不涉及現(xiàn)在。

3. need和dare作情態(tài)動(dòng)詞和實(shí)義動(dòng)詞的區(qū)別:

兩者作情態(tài)動(dòng)詞時(shí)常用于否定句和疑問(wèn)句。其形式為:needn’t/daren’t do;Need/dare…do…?

做實(shí)義動(dòng)詞時(shí)可用于肯定句,否定句和疑問(wèn)句。其形式為:need(needs/needed)/dare(dares/dared) to do, don’t(doesn’t/didn’t) need/dare to do

 

八.非謂語(yǔ)動(dòng)詞

I. 非謂語(yǔ)動(dòng)詞的分類、意義及構(gòu)成:

 

非謂語(yǔ)形式

構(gòu)成

特征和作用

時(shí)態(tài)和語(yǔ)態(tài)

否定式

復(fù)合結(jié)構(gòu)

不定式

to do

to be doing

to have done

to be done

to have been done

在非謂語(yǔ)前加not

for sb. to do sth.

具有名詞,副詞和形容詞的作用

在句中做主、賓、定、表和狀語(yǔ)

分詞

現(xiàn)在分詞

doing

having done

being done

having been done

 

具有副詞和形容詞的作用

在句中做定、表、賓補(bǔ)和狀語(yǔ)

過(guò)去分詞

done

 

動(dòng)名詞

doing

having done

being done

having been done

sb’s doing

具有名詞的作用

在句中做主、賓、定和表語(yǔ)

 

 

II. 做賓語(yǔ)的非謂語(yǔ)動(dòng)詞比較:

 

情況

常用動(dòng)詞

只接不定式做賓語(yǔ)的動(dòng)詞

hope, want, offer, long, fail, expect, wish, ask, decide, pretend, manage, agree, afford, determine, promise, happen

只接動(dòng)名詞做賓語(yǔ)的動(dòng)詞或短語(yǔ)

mind, miss, enjoy, imagine, practise, suggest, finish, escape, excuse, appreciate, admit, prevent, keep, dislike, avoid, risk, resist, consider

can’t help, feel like, succeed in, be fond of, object to, get down to, be engaged in, insist on, think of, be proud of, take pride in, set about, be afraid of, be tired of, look forward to, devote oneself to, be worth, be busy, pay attention to, stick to

兩者都可以

意義基本相同

begin, start, like, love, hate, prefer, continue(接不定式多指具體的動(dòng)作,接動(dòng)名詞多指一般或習(xí)慣行為)

need, want, require(接動(dòng)名詞主動(dòng)形式表示被動(dòng)意義,若接不定式則應(yīng)用被動(dòng)形式)

意義相反

stop to do 停止手中事,去做另一件事

stop doing 停止正在做的事

意義不同

remember/forget/regret to do(指動(dòng)作尚未發(fā)生)

remember/forget/regret doing(指動(dòng)作已經(jīng)發(fā)生)

go on to do(接著做另外一件事)

go on doing(接著做同一件事)

try to do(設(shè)法,努力去做,盡力)

try doing(試試去做,看有何結(jié)果)

mean to do(打算做,企圖做)

mean doing (意識(shí)是,意味著)

can’t help to do(不能幫忙做) can’t help doing(忍不住要做)

 

III.非謂語(yǔ)動(dòng)詞做賓語(yǔ)補(bǔ)足語(yǔ)的區(qū)別:

 

 

常見(jiàn)動(dòng)詞

與賓語(yǔ)的邏輯關(guān)系及時(shí)間概念

例句

不定式

ask, beg, expect, get, order, tell, want, wish, encourage

主謂關(guān)系。強(qiáng)調(diào)動(dòng)作將發(fā)生或已經(jīng)完成

I heard him call me several times.

have, notice, see, watch, hear, feel, let, make

現(xiàn)在分詞

 

notice, see, watch, hear, find, keep, have, feel

主謂關(guān)系。強(qiáng)調(diào)動(dòng)作正在進(jìn)行,尚未完成

I found her listening to the radio.

過(guò)去分詞

動(dòng)賓關(guān)系。動(dòng)作已經(jīng)完成,多強(qiáng)調(diào)狀態(tài)

We found the village greatly changed.

 

IV. 非謂語(yǔ)動(dòng)詞做定語(yǔ)的區(qū)別:

 

 

區(qū)別

舉例

不定式

與被修飾詞往往有動(dòng)賓關(guān)系,一般式表示將來(lái),進(jìn)行式表示與謂語(yǔ)動(dòng)作同時(shí)發(fā)生,完成式表示在謂語(yǔ)動(dòng)詞之前發(fā)生

I have a lot of papers to type.

I have a lot of papers to be typed.

動(dòng)名詞

通常指被修飾詞的用途,無(wú)邏輯上的任何關(guān)系

Shall we go to the swimming pool?

現(xiàn)在分詞

與被修飾詞之間是主謂關(guān)系,表示動(dòng)作與謂語(yǔ)動(dòng)作同時(shí)發(fā)生

the boiling water / the boiled water

the developing country/the developed country

the falling leaves / the fallen leaves

過(guò)去分詞

與被修飾詞之間是被動(dòng)關(guān)系,表示動(dòng)作發(fā)生在謂語(yǔ)動(dòng)作之前,現(xiàn)已經(jīng)完成

 

V. 非謂語(yǔ)動(dòng)詞做主語(yǔ)和表語(yǔ)的區(qū)別:

 

 

區(qū)別

舉例

不定式

多表示一個(gè)特定的具體的將來(lái)的動(dòng)作,做主語(yǔ)時(shí)可以借助于it把不定式移到句子后面。做表語(yǔ)有時(shí)可和主語(yǔ)交換位置,而且意義不變,并且還能用what來(lái)提問(wèn)主語(yǔ)或表語(yǔ)。

My dream is to become a teacher.

To obey the law is important.

(dream, business, wish, idea, plan, duty, task做主語(yǔ)時(shí)常用)

動(dòng)名詞

與不定式的功能區(qū)別不大,然而它更接近于名詞,表示的動(dòng)作比較抽象,或者泛指習(xí)慣性的動(dòng)作,有時(shí)也可以用it做形式主語(yǔ),做表語(yǔ)時(shí)可以和主語(yǔ)互換位置。

It is no use saying that again and again.

Teaching is my job.

分詞

無(wú)名詞的性質(zhì),不能做主語(yǔ)。但是有形容詞的性質(zhì),可以做表語(yǔ),多表明主語(yǔ)的特征性質(zhì)或者狀態(tài)等,可被very, quite, rather等副詞修飾。

現(xiàn)在分詞多含有“令人…”之意,說(shuō)明主語(yǔ)的性質(zhì)特征,多表示主動(dòng),主語(yǔ)多為物。過(guò)去分詞一般表示被動(dòng)或主語(yǔ)所處的狀態(tài),含有“感到…”之意,主語(yǔ)多是人。

The situation is encouraging.

The book is well written.

(常見(jiàn)分詞有astonishing, moving, tiring, disappointing, puzzling, shocking, boring, amusing及其-ed形式)

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