虛擬語(yǔ)氣的用法_如何強(qiáng)化練習(xí)
虛擬語(yǔ)氣是動(dòng)詞的一種特殊形式，用來(lái)表達(dá)說(shuō)話(huà)人的愿望、請(qǐng)求、驚奇、設(shè)想等。而虛擬語(yǔ)氣的使用方法你知道多少呢?以下是由學(xué)習(xí)啦小編整理關(guān)于虛擬語(yǔ)氣的用法的內(nèi)容，希望大家喜歡!
虛擬語(yǔ)氣的用法
一、虛擬條件句中虛擬語(yǔ)氣的運(yùn)用：
虛擬條件句從時(shí)間上又分為與現(xiàn)在事實(shí)相反，與過(guò)去事實(shí)相反，與將來(lái)事實(shí)可能相反三種情況。表示與現(xiàn)在事實(shí)相反的，if從句用過(guò)去式，主句用would (或could ,should ,might)加原形動(dòng)詞。與過(guò)去事實(shí)相反的，if從句用過(guò)去完成時(shí)，主句用would(或could ,should ,might)+have done結(jié)構(gòu)。與將來(lái)事實(shí)可能相反的，if 從句用should (或were to )加動(dòng)詞原形，主句用would加動(dòng)詞原形。
1、If a better material _____, the strength of the part would have been increased.
A. had been used
B. had been using
C. being used
D. using
(根據(jù)前面的講解，正確答案為A。)
2、Had the weather been good, the children _____ out for a walk.
A. had gone
B. could have gone
C. would go
D. went
(答案：B。與過(guò)去的事實(shí)相反。當(dāng)if從句中含有were, had, should這三個(gè)詞時(shí)，if可以省略，主謂倒裝。)
二、某些動(dòng)詞后的賓語(yǔ)從句以及某些名詞后的表語(yǔ)或同位語(yǔ)從句中虛擬語(yǔ)氣的運(yùn)用，這些動(dòng)詞或名詞包括：
suggest (suggestion),propose(proposal),advise (advice)demand, insist, order, request, require, recommend, desire, ask, decide等。在這些從句中，謂語(yǔ)形式為should加動(dòng)詞原形，should可以省略。
例：The general’s command was that the soldiers _____ their fort and carry out more important task.
A. would leave
B. leave
C. left
D. have left
(答案：B)
三、在It is desired (或desirable), It is important等結(jié)構(gòu)后面的主語(yǔ)從句中，動(dòng)詞用原形或should+原形動(dòng)詞。這些結(jié)構(gòu)有：
“It is suggested”, “It is requested”,“It was ordered”, “It is necessary”, “It is essential”, “It is vital”, “It is urgent”,“ It is impossible”, “It is preferable”, “It is advisable”, “It was proposed”等。
例：It’s desired that she _____ to teach us at least twice a week.
A. comes
B. will com
C. come
D. may come
(答案：C)
四、would rather, as if/though 以及wish后邊that從句中虛擬語(yǔ)氣的運(yùn)用。
1、I am too busy these days. I would rather all of you _____ next month for a dinner.
A. come
B. would come
C. came
D. have come
(答案：C。would rather 后面的從句中，動(dòng)詞用過(guò)去式。)
2、He talks as if he _____ everything in the world.
A. knows
B. knew
C. had known
D. would have know
(正確答案為B。在as if/though后邊的方式狀語(yǔ)從句中，表示與現(xiàn)在事實(shí)相反或?qū)ΜF(xiàn)在的情況有所懷疑，動(dòng)詞用過(guò)去式;如果表示的是想象中的過(guò)去的動(dòng)作，用過(guò)去完成時(shí)。本句表示對(duì)現(xiàn)在的情況有所懷疑。)
3、You look as if you had seen a ghost.
(此句中as if 后邊是說(shuō)話(huà)人想象中的動(dòng)作，所以用過(guò)去完成時(shí)。)
4、I wish I knew his address.
(在wish后邊的從句中，如果指現(xiàn)在或?qū)?lái)的愿望，動(dòng)詞用過(guò)去式。這句話(huà)告訴我們說(shuō)話(huà)人并不知道他的地址。)
5、Peter wishes that he _____ law instead of literature when he was in college。
A. could study
B. studied
C. had studied
D. would study
(答案為C。表示過(guò)去沒(méi)有實(shí)現(xiàn)的愿望，動(dòng)詞用過(guò)去完成時(shí)。)
五、在It is (high) time后邊的that從句中，動(dòng)詞用過(guò)去式，表示該做某事了。
例：Don’t you think it is time you _____ smoking?
A. give up
B. gave up
C. would give up
D. should give up
(答案為B。)
虛擬語(yǔ)氣強(qiáng)化練習(xí)
1. more careful, his bus would not have knocked into the tree.
A. If the driver were B. Had the driver been
C. Should the driver be D. If the driver would have been
2. the football competition, I would have gone to the concert yesterday.
A. In spite of B. But for C. Because of D. As for
3. Look at the terrible situation you are in! If only you my advice!
A. listen to B. would listen to C. had listened to D. have listened to
4. Had Henry received two more votes in the last election, he our monitor now.
A. must have been B. would have been C. were D. would be
5. If the athlete won today, he eight races in a game.
A. would have won B. won C. must have won D. did have won
6. It is time that our mayor measures to protect the poor in the street.
A. takes B. took C. has taken D. taking
7. If I had read the report, I _______ you all about it now.
A. would tell B. will tell C. have told D. would have told
8. — It’s a pity you didn’t won the competition.
— I had had more practice.
A. If only B. As if C. If not D. As with
Key: 1-5 BBCDA
6-8 BAA
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