虚拟语气的用法_如何强化练习
虚拟语气是动词的一种特殊形式，用来表达说话人的愿望、请求、惊奇、设想等。而虚拟语气的使用方法学习啦在线学习网你知道多少呢?以下是由学习啦小编整理关于虚拟语气的用法的内容，希望大家喜欢!
虚拟语气的用法
一、虚拟条件句中虚拟语气的运用：
学习啦在线学习网 虚拟条件句从时间上又分为与现在事实相反，与过去事实相反，与将来事实可能相反三种情况。表示与现在事实相反的，if从句用过去式，主句用would (或could ,should ,might)加原形动词。与过去事实相反的，if从句用过去完成时，主句用would(或could ,should ,might)+have done结构。与将来事实可能相反的，if 从句用should (或were to )加动词原形，主句用would加动词原形。
学习啦在线学习网 1、If a better material _____, the strength of the part would have been increased.
学习啦在线学习网 A. had been used
B. had been using
C. being used
D. using
(根据前面的讲解，正确答案为A。)
2、Had the weather been good, the children _____ out for a walk.
学习啦在线学习网 A. had gone
B. could have gone
C. would go
D. went
学习啦在线学习网 (答案：B。与过去的事实相反。当if从句中含有were, had, should这三个词时，if可以省略，主谓倒装。)
二、某些动词后的宾语从句以及某些名词后的表语或同位语从句中虚拟语气的运用，这些动词或名词包括：
suggest (suggestion),propose(proposal),advise (advice)demand, insist, order, request, require, recommend, desire, ask, decide等。在这些从句中，谓语形式为should加动词原形，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)
学习啦在线学习网 三、在It is desired (或desirable), It is important等结构后面的主语从句中，动词用原形或should+原形动词。这些结构有：
“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。
学习啦在线学习网 例：It’s desired that she _____ to teach us at least twice a week.
学习啦在线学习网 A. comes
B. will com
C. come
D. may come
(答案：C)
学习啦在线学习网 四、would rather, as if/though 以及wish后边that从句中虚拟语气的运用。
1、I am too busy these days. I would rather all of you _____ next month for a dinner.
A. come
学习啦在线学习网 B. would come
C. came
学习啦在线学习网 D. have come
(答案：C。would rather 后面的从句中，动词用过去式。)
学习啦在线学习网 2、He talks as if he _____ everything in the world.
学习啦在线学习网 A. knows
B. knew
C. had known
D. would have know
学习啦在线学习网 (正确答案为B。在as if/though后边的方式状语从句中，表示与现在事实相反或对现在的情况有所怀疑，动词用过去式;如果表示的是想象中的过去的动作，用过去完成时。本句表示对现在的情况有所怀疑。)
3、You look as if you had seen a ghost.
(此句中as if 后边是说话人想象中的动作，所以用过去完成时。)
4、I wish I knew his address.
(在wish后边的从句中，如果指现在或将来的愿望，动词用过去式。这句话告诉我们说话人并不知道他的地址。)
5、Peter wishes that he _____ law instead of literature when he was in college。
学习啦在线学习网 A. could study
学习啦在线学习网 B. studied
学习啦在线学习网 C. had studied
学习啦在线学习网 D. would study
(答案为C。表示过去没有实现的愿望，动词用过去完成时。)
五、在It is (high) time后边的that从句中，动词用过去式，表示该做某事了。
学习啦在线学习网 例：Don’t you think it is time you _____ smoking?
学习啦在线学习网 A. give up
B. gave up
C. would give up
D. should give up
(答案为B。)
虚拟语气强化练习
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
学习啦在线学习网 2. the football competition, I would have gone to the concert yesterday.
学习啦在线学习网 A. In spite of B. But for C. Because of D. As for
学习啦在线学习网 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
学习啦在线学习网 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
学习啦在线学习网 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
学习啦在线学习网 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.
学习啦在线学习网 A. If only B. As if C. If not D. As with
Key: 1-5 BBCDA
6-8 BAA
学习啦在线学习网
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