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1、情态动词情态动词词义否定形式词义can能够，会can’t不能，不会could能够，会couldn’t不能，不会may可以／／must必须mustn’t不允许，不能shall将，要／／should应该shouldn’t不应该need需要needn’t不必would将会，愿wouldn’t不会，不愿情态动词的用法及主要句型：1、CanIhelpyou?——Yes,please./No,thanks.2、Can+主语+动词原形?Yes,～can.No,～can’t.3、CanIborrowyourbook?----Yes,ofcourse.4、Ca
2、nIwriteonthebook?------No,youcan’tmustn’t.5、CouldCanyouhelpme?----Yes,ofcourse.Certainly.Sure.6、CouldCanyoutellmethewaytotheZoo?7、MayIcomein?-----Comein,please.8、MayIsithere?-----Yes,please.Sorry,pleasedon’t.9、MayIhavesomeCoke?----Yes,ofcourse.10、May/Could/CanIspeakto
3、Tom?-----Speaking.Who’scalling?11、should、shouldn’t表示劝告：1)Heshouldgetupearly.2)Sheshouldn’tplaycomputergametoomuch.12、Should+主语+动词原形?Yes,～should.No,～shouldn’t.13、表示建议“你愿意…吗”Wouldyouliketogoshoppingwithme?-----Yes,I’dloveto./I’dloveto.ButI’mbusynow.14、就餐用语Wouldyoulikesomethi
4、ngtoeatdrink?----Yes,I’dlike…15、shall用于第一人称(I,we),可以表示“将”和表示建议“……好吗?”1)Whereshallwehavedinner?2)Shallwegofishing?-----Allright.OK.Goodidea.16、Must+主语+动词原形?---Yes,～must.No,～needn’t.相关练习：(一)用适当的情态动词填空。1.MustIborrowthebookwithmyIDcard?No,you________.2.________Iuseyourcar?Y
5、es,you________.3.________Igohomenow?No,you_________stayhere.4. Mymotherisill.I_________stayathomeandlookafterher.5. ________youlikesometea?6.You________takemoreexercise.7.________youtellmehowtogettotheQingyunPark?8.Theclock________tellusthetime.9.________youliketogofis
6、hingwithme?10.________weplayfootballthisafternoon?(二)按要求改写句子。1. Icanrunfast.I________________fast.(否定句)2. Youmustreturnthebooknow.（一般疑问句）________Ithebooknow?No,you________.3. Hecanplaybasketballwell.（一般疑问句）_______he______basketballwell?4. Theymusttakethebooksoutofth
7、eroom.（否定句）They________________thebooksoutoftheroom.5. Heshouldgetupearly. (否定句)He_______getuplate.(三)单项选择。（ ）1. youlikesomemilk?A. WouldB. CouldC. Can（ ）2. Wepicktheflowerinthepark.A. can’tB. don'tC. mustn’t()3.W eshouldmoretrees,andweshouldn’tcutanytrees.A. pla
8、ntB. plantingC. plants()4.MayIhavesomecoffee?A.Yes,youhave. B. Yes,youcan. C.
