中考英语专题复习(情态动词)(精品).ppt

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1、Modal Verbs1 can/could1)He can speak French.When he was young,he could sing very well.4)Anyone can make mistakes.2)Could you please?Boys cant wear long hair in our class.3)How can you be so rude?can/be able to Last night,the fire spread through the hotel very quickly but everyone _ get out.was able

2、to 2 may/might1)-May I use your pen?-yes,you may.-No,you mustnt.2)It may/might rain tomorrow.3)May all your dreams come true.5)Can this news be true?This cant be*.She is in the office.4)may(might)as well do=had better do最好最好There is nothing to do,so I may as well go to bed.3 must/have to 1)We must w

3、ork hard.We have to be here before 7:30.2)must-mustnt -neednt-Must I water the flowers?-yes,you must.-No,you neednt/dont have to.3)must+v cant+v He must be at the library.4 dare 1情态动词情态动词 dare-dared darentDare he do it?He dare not do it.2)实义动词实义动词 dare to do She dared to walk at night.3)I dare say 5

4、 need1)You neednt call him.2)Need I come?-Yes,you must.-No,you neednt/dont have to.She didnt dare(to)3)实义动词实义动词 (sb)need to do (sth)need to be done doing6 will/would1)Would you pass me the book?2)I will never do that again.3)This will be the house we are looking for.4)Fish will die out of water.He w

5、ould get up early when he lived in the country.would/used to used to可以表示过去的动作，现在已经不存在。可以表示过去的动作，现在已经不存在。Would常与表示过去的时间连用。常与表示过去的时间连用。used to可以表示过去的状态可以表示过去的状态I used to get up early.He used to be a quiet boy.7 shall/should/ought to shall 1）What shall we do now？Shall she come right now?在疑问句中，在疑问句中，sha

6、ll用于用于1，3 人称，表示人称，表示-2）You shall do as your father says.He shall be punished.(威胁）威胁）He shall have the book when I finish reading.(允诺）允诺）陈述句中，陈述句中，shall用于用于2，3 人称，表人称，表-should 1)They should arrive at 7:30It is nearly 7 oclock.He should be here at any moment.2)You wont believe he should be so rude!How

7、 should I know?惊讶，惊讶，“竟然会竟然会”)If you should change your mind,please let me know.ought to They should/ought to arrive at 7:30 ought not to/oughtnt to1.-Excuse me,but I want to use your computer to type a report.-You _ have my computer if you dont take care of it.A.shant B.might not C.neednt D.shouldn

8、tA2.-When can I come for the photos?I need them tomorrow afternoon.-They _be ready by 12:00.A.can B.should C.might D.needB3.One ought _ for what one hasnt done.A.not to be punished B.to not be punishedC.To not punished D.not be punishedA情态动词情态动词have doneShe might have gone to Shanghai.It must have r

9、ained last night.It cant have rained last night.You neednt have waited for me.You should have started earlier.You ought to have helped him.cant/couldnt have done could have done may/might have done must have done neednt have done should/ought to have done1.With so much work on hand,you _to see the g

10、ame last night.A.mustnt go B.could have goneC.shouldnt go D.shouldnt have goneD2.There was plenty of time.She _.A.mustnt have hurried B.couldnt have hurriedC.must not hurry D.neednt have hurried3.A computer _ think for itself;it must be told what to do.A.cant B.couldnt C.may not D.might notDA情态动词表示推测的用法1 对现对现在情在情况况的推的推测测肯定肯定 must,may,might be 否定否定 can,could not be2 2 对过去事实的推测对过去事实的推测肯定肯定 must/may/might have done否定否定 can,could not have done疑疑问问 can,could be?疑疑问问 can,could have done虚虚拟拟 would/could/should/might/.have done