情态动词(3).pdf

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1、实力测验（情态动词篇）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。（）She cans swim well.（）She can swims well.()She can swim well.()She swims well.情态动词的种类：情态动词 词义 should 应该 can 能够，会 must 必须 may 可以 have（has）to 不得不 shall 将，要 had better 最好 情态动词的用法：情态动词 肯定句 否定句 can 主语+can+动词原形 主语+can+not+动词原形

2、may 主语+may+动词原形 主语+may+not+动词原形 shall 主语+shall+动词原形 主语+shall+not+动词原形 should 主语+should+动词原形 主语+should+not+动词原形 must 主语+must+动词原形 主语+must+not+动词原形 have（has）to 主语+have（has）to+动词原形 主语+dont（doesnt）+have（has）to+动词原形 had better 主语+had better+动词原形 主语+had better+not+动词原形 情态动词 疑问句 肯定回答 否定回答 can Can+主语+动词原形?Y

3、es,can.No,cant.may May+主语+动词原形?Yes,may./Sure.No,may not.shall Shall+主语+动词原形?Yes,please./All right.No,lets not.should Should+主语+动词原形?Yes,should.No,shouldnt.must Must+主语+动词原形?Yes,must.No,neednt.have（has）to Do(does)+主语+have to+动词原形?Yes,do(does).No,dont(doesnt).had better 一.用适当的动词和情态动词填空。1.Must I wait u

4、ntil he comes back?No,you _.2.You _ not make so much noise(发出噪音)in the hospital.3.Can you ride a bike?No,I _.4._ I go home now?No,you _ stay here.1.My mother is ill.I _ stay at home and look after her.2._ I use your car?Yes,you _.3._ we begin our class now?4._ he swim well?Yes,he can.5.You _ smoke(吸

5、烟)on the bed!Its dangerous.6.You look ill._ I take you to the hospital?Yes,thank you.二.变换句形。1.I can run fast.I _ _ fast.(否定句)2.You must study hard._ I study hard?（疑问句）Yes,you _.3.We had better do it now.We had better _ _ it now.（否定句）4.He has to ask the question._ he _ to ask the question?（疑问句）5.They

6、 must take the books out of the room.They _ _ the books out of the room.（否定句）6.Do we have to come back?Yes,you _.7.May I come in?Yes,you _.8.He can play basketball well._ he _ basketball well?（疑问句）三 汉译英。1.他不得不在周日工作。_ 2.我必须留在这里吗？不，你不必。_ 3.你最好不要喝太多的冷饮。_ 4.我们要在这吃午餐吗？_ 5.她会跳舞，但我不会。_ 6.他们会说英语吗？_ 7.我可以回家了吗？当然可以。_ 8.你应该按时交作业。_ 9.我们必须早起吗？_ 10.他不必现在就离开。_