時(shí)態(tài)
1)現(xiàn)在完成進(jìn)行時(shí)態(tài) (have/has been + -ing 分詞構(gòu)成): 動(dòng)作或狀態(tài)從過(guò)去某時(shí)開(kāi)始,繼續(xù)到現(xiàn)在,可能繼續(xù)下去,也可能剛剛結(jié)束.
I’ve been writing letters for an hour.
I’ve been sitting in the garden.
2)過(guò)去完成進(jìn)行時(shí)(由had been + ing分詞構(gòu)成): 過(guò)去某個(gè)時(shí)刻以前一直在進(jìn)行的動(dòng)作
I’d been working for some time when he called.
We had been waiting for her for two hours by the time she came.
3)將來(lái)完成進(jìn)行時(shí): 將來(lái)某個(gè)時(shí)刻以前一直在進(jìn)行的動(dòng)作.
By next summer, he will have been working here for twenty years.
In another month’s time she’ll have been studying here for three years.
4)將來(lái)完成時(shí)(由shall/will have + 過(guò)去分詞構(gòu)成): 將來(lái)某時(shí)會(huì)業(yè)已發(fā)生的事.
I shall have finished this one before lunch.
They’ll have hit the year’s target by the end of October.
語(yǔ)態(tài)
可以有兩種被動(dòng)結(jié)構(gòu)的類型,例如:
He was said to be jealous of her success.
It was said that he was jealous of her success.
能同時(shí)適用于上述兩個(gè)句型的主動(dòng)詞通常都是表示“估計(jì)”,“相信”等意義的動(dòng)詞,常見(jiàn)的有assume,believe,expect,fear,feel,know,presume,report,say,suppose,understand等.
It is supposed that the ship has been sunk.
The ship is supposed to have been sunk.
擔(dān)當(dāng)be supposed to 與不定式的一般形式搭配時(shí)往往表示不同的意義.例如:
Why are you driving so fast in this area? You are supposed to know the speed to know the speed limit. (你應(yīng)該曉得速度限制)
雙賓語(yǔ)及賓補(bǔ)結(jié)構(gòu)的被動(dòng)語(yǔ)態(tài)
雙賓語(yǔ)結(jié)構(gòu)的被動(dòng)語(yǔ)態(tài): 雙賓語(yǔ)結(jié)構(gòu)變?yōu)楸粍?dòng)語(yǔ)態(tài)時(shí),可以把主動(dòng)結(jié)構(gòu)中的一個(gè)賓語(yǔ)變?yōu)橹髡Z(yǔ),另一個(gè)賓語(yǔ)仍然保留在謂語(yǔ)后面,但多數(shù)是把間接賓語(yǔ)變?yōu)橹髡Z(yǔ).
He was asked a number of questions at the press conference.
Two days were allowed them for making the necessary preparations.
賓補(bǔ)結(jié)構(gòu)的被動(dòng)語(yǔ)態(tài)
She was called Big Sister by everybody.
Then he was made a squad leader.
He was considered quite qualified for the job.
The room was always kept clean and tidy.
短語(yǔ)動(dòng)詞
Vi + adv
The plane took off two hours late.
Vi + prep
They looked round the Cathedral.
Vi + prep (有被動(dòng)語(yǔ)態(tài))
She’s looking after her sister’s children.
The children were always well looked after.
Vi + adv + prep
I began to look forward to their visits.
Vt + O + adv
Some women choose to stay at home and bring up their children.
The children were brought up by their mother.
They took him on.
Vt + adv + O (無(wú)被動(dòng)語(yǔ)態(tài))
I am trying to give up smoking.
Vt + O + prep
We talked Donald into agreement.
省略
在以as, than, when, if, unless等引導(dǎo)的從句中的省略: 在有些狀語(yǔ)從句中,如果謂語(yǔ)包含有動(dòng)詞be,主語(yǔ)又和主句的主語(yǔ)一致a),或者主語(yǔ)是it b),就常常可以把從句中的主語(yǔ)和謂語(yǔ)的一部分(特別是動(dòng)詞be)省略掉.
Look out for cars when crossing the street.
When taken according to the directions, the drug has no side effects.
While there he joined in voluntary labour on a project.
Although not yet six months old, she was able to walk without support.
If not well managed, irrigation can be harmful.
Though reduced in numbers, they gained in fighting capacity.
This viewpoint, however understandable, is wrong.
Enemies, once discovered, were tightly encircled and completely wiped out.
She hurriedly left the room as though/if angry.
She worked extremely hard though still rather poor in health.
Fill in the application as instructed.
Whenever known, such facts should be reported.
The documents will be returned as soon as signed.
He said that no acrobat could ever perform those daring feats unless trained very young.
Once having made a promise, you should keep it.
If necessary I’ll have the letter duplicated.
Fill in the blanks with articles where(ver) necessary.
If possible, I should like to have two copies of it.
As scheduled, they met on January 20 at the Chinese Embassy.
在以than a) 或 as b) 引起的從句中,常會(huì)有一些成分省略.
He told me not to use more material than (it is) necessary.
We should think more of the collective than of ourselves.
They worked with as much enthusiasm as young people (did).
He is now a vice-manager, but still often works in the kitchen as before.
Their training is free, as is all education.
We will, as always, stand on your side.
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