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一、should/ought to +have+v-ed和shouldn’t/ought not to+have+v-ed
“should/ought to+have+v-ed”表示过去应该做的事情却没有做,常含有后悔、责备、埋怨的口吻,常译作“本应当…..”,“应当….就好了”。“shouldn’t/ought not to+have+v-ed”表示过去不该做的事却做了,也常含有责备、不满的意思,常译为“本不应该….”。
例:With all the work finished, I should have gone to the party last night.
昨天晚上当所有的工作完成之后,我本来应该去参加聚会的。
例:You should not have gone back to work yesterday without the doctor’s permission.
你昨天没有得到医生的允许,不应该回去工作的。
二、may/might+have+v-ed
“may/might+have+v-ed”表示对过去事情的推测,但不十分肯定。Might比may语气缓和,口气更委婉;常译为“可能(或许)已经….”。
例:A traffic accident happened yesterday and a driver may have been hurt.
昨天发生了一场交通事故,可能有个司机受了伤。
三、could+have+v-ed
“could+have+v-ed”表示过去有可能或有能力做某事,而实际未做、未能实现的事;有时也表示轻度批评,可译为“本来可以”。经典练习:
1、I didn’t send out my application form last week, but I _____.
A)had
B)would do
C)should have
D)might have to
2、With all his work on hand, he_____to the cinema last night.
A)mustn’t go
B)wouldn’t go
C)oughtn’t go
D)shouldn’t have gone
3、By next summer he_____at Harvard University for five years.
A)will have been studying
B)will study
C)have studied
D)will be studying
4、When Jim____his own house, he will install built-in stereo speakers in every room.
A)has
B)will have
C)had
D)had been点击下一页查看答案 |
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