英語中情態(tài)動(dòng)詞,比如:can(could),may(might),must,should 等等,雖然數(shù)量不多,但用途廣泛。情態(tài)動(dòng)詞的過去式可以幫助說話的人表達(dá)對過去的推測外,還可表示過去沒有實(shí)現(xiàn)的可能性(即某事本來可以發(fā)生,卻沒發(fā)生)?靵硖魬(zhàn)一下你對情態(tài)動(dòng)詞的理解吧。
1. I’m not surprised he’s angry with you. You ____________ his laptop with asking yesterday.
a) shouldn’t have borrowed
b) shouldn’t borrow
c) couldn’t borrow
d) might not have borrowed
2. I’m surprised she’s not at home. She ____________ work an hour ago.
a) should leave
b) ought to leave
c) may have left
d) ought to have left
3. I wish I’d never told him my secret. He ____________ anyone or I’ll be really angry.
a) had better not have told
b) must have told
c) would not have told
d) should have told
4. It ____________ who broke the equipment. I wasn’t in the lab that day.
a) could have been me
b) must have been me
c) couldn’t have been me
d) mightn’t have been me
5. I’m sure he’s not ignoring you. It’s possible that he ____________ you yesterday.
a) could have seen you
b) saw
c) would see
d) might not have seen
6. I gave it everything I had. I ____________ any harder than I did.
a) couldn’t have tried
b) couldn’t tried
c) would have tried
d) shouldn’t have tried
答案
1) a, 2) d, 3) a, 4) c, 5) d, 6) a.
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