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      高考英語語法精講及練習(xí)

      時間:2022-12-09 05:23:27 高考英語 我要投稿
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      2017年高考英語語法精講及練習(xí)

        【提要】高考 : 2017年高考英語語法講解及練習(xí):情態(tài)動詞+動詞完成式

      2017年高考英語語法精講及練習(xí)

        “情態(tài)動詞+動詞完成式”

        1. must/ may / might + have done,對已發(fā)生行為的推測。

        2.“ should + have done” “ ought to + have done”表示本來該做某事卻未做,否定式“shouldn’t + have done” “ oughtn’t to + have done”本來不該做而做了的事。

        3.“ needn’t + have done”做了本來不必做的事,“本來不必”。

        2) He looks happy. He _________ (not know) this bad news.

        3) Where is my pen ? I _______________ (lose) it.

        4) He was late for work. He____________ ( not catch) the first bus.

        5) I didn’t see her in the meeting room. She_____________(not speak) at the meeting.

        6) She is two hours late. What__________________(happen) to her?

        7) The plant is dead . I ____________(water) it from time to time.

        8) Tom_____________ (not give away) the secret, but he meant no harm .

        9) It was a five-minute walk from our school. You _________ (not come) by taxi.

        (Keys: 2.can’t have known 3.maymight have lost 4. might not have caught

        5. can’t /couldn’t have spoken 6. couldcan have happened 7.should have watered 8. shouln’t have given away 9.needn’t have come)

        ▲ 注意: could/might+have done:表示過去有可能發(fā)生,但實際沒有發(fā)生.

        1) You were crazy to climb up that tree. You could have killed yourself.

        2) You might have made more progress, but you didn’t work hard.

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