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英语 情态动词 (9 19:37:44)

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英语 情态动词 (9 19:37:44)
1.---I don't know why he is late.
   ---Nor Ido.He___an accident.
    A.could have had      B. should have had       C.  might have had        D.must have had   
2.Don't belive him.What he said___be true.
    A.mustn't       B.needn't       C.shouldn't       D.may not
英语 情态动词 (9 19:37:44)
情态动词在句中放在谓语动词之前,谓语动词前若有助动词,则在助动词之前,疑问句中,情态动词则在主语之前.
I can see you.Come here.
我能看见你,过来吧.
He must have been away.
他一定走了.
What can I do for you?
我能帮你吗?
How dare you treat us like that!
你怎能那样对待我们!