高二英语unit15 destinations 人教.ppt
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1、情态动词学习六要素情态动词学习六要素一、注意情态动词的推测用法一、注意情态动词的推测用法推测性情态动词共有三个,其用法见表推测性情态动词共有三个,其用法见表 情态动词情态动词 含义含义 适用句型适用句型 May/might 可能,或许可能,或许 肯定句肯定句 Must 一定,必须一定,必须 肯定句肯定句 Can/could 可能,或许可能,或许 否定句,疑问否定句,疑问句句 2021/8/11 星期三1-Are you coming to Jeffs party?-Im not sure.I _go to the concert instead.A.must B.would C.should
2、D.mightD-_the news be true?No,it_be true.A.Can,cant B.May,cantC.May,may not D.Must,mustntA2021/8/11 星期三2二、了解情态动词的完成式用法(一)(一)should/ought to have done本来应做而未做,表达遗憾感情色彩本来应做而未做,表达遗憾感情色彩I told Sally how to get there,but perhaps I _for her.(NMET94)A.had to write it outB.must have written it outC.should ha
3、ve written it outD.ought to write it outC2021/8/11 星期三3I was really anxious about you,you_home without a word.(NMET2001)A.mustnt leave B.shouldnt have left C.couldnt have left D.neednt leave B2021/8/11 星期三4(二)may/might have done可能已做must have done 一定已做cant have done 不可能做-Where is my pen?-I _it.(NMET8
4、8)A.might lose B.wouldnt have lost C.should have lost D.must have lostD2021/8/11 星期三5The light in his room is still on,so he _ to bed.A.mustnt have gone B.must have goneC.shouldnt have gone D.cant have goneD2021/8/11 星期三6(三)could have done指本来能做而实际未做,表达遗憾的感情色彩You could at least have sent five cards.你
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