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1、情态动词一、情态动词的定义:情态动词有词义,但它不能单独作谓语,它必须和其他动词一起构成谓语。情态动词没有人称和数的变化;它的后面必须跟动词原形。二、情态动词的种类: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,不愿三、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,
2、~can.No,~can’t.3、CanIborrowyourbook?----Yes,ofcourse.4、CanIwriteonthebook?------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,
3、ofcourse.10、May/Could/CanIspeaktoTom?-----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Wouldyouli
4、kesomethingtoeatdrink?----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.(一)用适当的情态动词填空。1.MustIborrowthebookwithmyIDcard?No,you________.2.________Iuseyourcar?Yes,you________.3.___
5、_____Igohomenow?No,you_________stayhere.4. Mymotherisill.I_________stayathomeandlookafterher.5. ________youlikesometea?6.You________takemoreexercise.7.________youtellmehowtogettotheQingyunPark?8.Theclock________tellusthetime.9.________youliketogofishingwithme?10.________weplayfootballthisafte
6、rnoon?(二)按要求改写句子。1. Icanrunfast.I________________fast.(否定句)2. Youmustreturnthebooknow.(一般疑问句)________Ireturnthebooknow?No,you________.3. Hecanplaybasketballwell.(一般疑问句)_______he______basketballwell?4. Theymusttakethebooksoutoftheroom.(否定句)They________________thebooksoutoftheroom.5. Hesho
7、uldgetupearly. (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