B1
情态动词和虚拟语气
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Ⅰ.单项填空
(2010·山东卷)I ________have watched that movie—it'll give me horrible dreams.
答案 A [句意：我本不应该去看那部电影——它会使我做噩梦的。考查情态动词。shouldn't have done本不该needn't have done本没必要做，但是做了；couldn't have done不可能做了某事。无mustn't have done结构。根据题干所提供信息应选A项。]
I told Sally how to get there, but perhaps I ________for her.
A．had to write it out
B．must have written it out
C．should have written it out
D．ought to write it out
答案 C [句意：我告诉Sally怎么去那，但是或许我本该为她写下来。should have done本该做，但是没做。]
________home without a word.
A．mustn't leave
B．shouldn't have left
C．couldn't have left
D．needn't leave
答案 B [句意：我真的很担心你，你本不应该一句话都不说就离开家。shouldn't have done本不该做，但是做了。]
④He hesitated for a moment before kicking the ball, otherwise he ________
A．had scored
B．scored
C．would score
D．would have scored
答案 D [句意：在踢球前他犹豫了片刻，否则他就得了一分。would have done当时就会做了。]
(2017·江西卷)We ________have boght so much food now that Suzie won't be with us for dinner.
答案 B [句意：既然Suzie不和我们共进晚餐，我们本不必买那么多的食物。本题考查虚拟语气。根据句意可知这里表示与过去事实相反的假设，needn't have done表示本不需要做某事。A：可能不；C：不可能；D：禁止，不能与have done sth连用。]
完成句子
____________this exercise more carefully.
你本应该更仔细地做这个练
②You ________a taxi here, for it was very near to my house.
你本来不必打车来这里的，因为这里离我家很近。
________have scolded her.
要是那时你没责骂她就好了。
but now I ____________that.
我在会上提出了反对意
⑤I ____________to the party last night, but I had to work extra hours to finish a report.
昨晚我本来很想去参加聚会的，但我得加班完成一个报告。
________last week is still in process.
本计划上周完工的工程还在进行中。
答案①ought to have done ②needn't have taken ③had better not
⑤would love to have gone ⑥to have ended