摘要： shouldn't + have + 过去分词1). Can they have completed their work so soon?2). She can't have make a mistake.3). Since the ditch is full of water , it last night.4). He said that she might have misunderstood him.练习.情态动词
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—Look! Isn’t that Peter’s sister?
—No, it ________ be her—I’m sure she doesn’t wear glasses.
|
A．shouldn’t |
B．oughtn’t |
C．mustn’t |
D．can’t |
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The young man has made so much noise that he have been allowed to attend the concert.
A. oughtn’t B. shouldn’t C. mustn’t D. can’t
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You _______ late for yesterday’s class meeting, as it was so important.
A. couldn’t B. shouldn’t be C. mustn’t have been D. oughtn’t to have been
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