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1、modal verbs第1页1.I am starving to death.I can eat two bowls of rice now.2.I dont know where she is,she may be in Wuhan.3.It cant be true.I dont believe it.4.Every person ought to obey the law.5.5.Shall I open the window for you?第2页1.can和could Many of us can use the computer now,but we couldnt ten yea
2、rs ago.*(1)表“_”,指现在和未来用_;指过去用_.能力能力cancould第3页1.The baby will _ walk in a few months.A can B could C be able to 2.The fire spread very quickly,but luckily everyone _ get out.A.had to B would C.could D.was able to 第4页2.-_ I use your bicycle?-Of course,you_.-No,you _ 口语中口语中can,could表示表示“许可许可”,could语气比
3、语气比 can委婉，但答语中不用委婉，但答语中不用 could而用而用 can.Can/Couldcancant第5页3.-Mr.Brown is on time for everything.How can he be so late for the important meeting?Can 表示表示“诧异，怀疑，不相信诧异，怀疑，不相信”态度（否定句和疑问句）态度（否定句和疑问句）第6页4.1)_(可能可能)the news be true?-It _ be true.(不可能不可能)2)He _(可能可能)be on his way home now.Can 表示猜测表示猜测“可能可能
4、”，用于，用于_ _,“could”用于用于_,_,_(语气语气_)Can Cantcould(maymight)否定句否定句 疑问句疑问句必定句必定句 否定句否定句 疑问句疑问句比比 Can 弱弱第7页注1.Accident can happen on such rainy days.2.Even experienced teachers can make mistakes.3.Children can be naughty.can在必定句中表示“有时候会”指一个客观可能性.惯用来说明人或事物特征第8页The World Wide Web is sometimes jokingly call
5、ed the World Wide Wait because it _ be very slow.A.should B.must C.will D.can第9页We _ go to the cinema tonight,but we are not sure.A.can B may C must第10页may might 1)表示许可或咨询对方许可表示许可或咨询对方许可-_ I use your telephone?-Yes,you _.-No,you _.May Mightmaymustnt第11页2)表表 推测推测1）He _(可能可能)come today,but Im not sure
6、.2)This _ be done by him.(可能不可能不)3)I thought you _ like something to read,so I bought some books for you.A.may B might may mightmay not“可能可能”，用于，用于必定句和否定句必定句和否定句只有宾语从句中只有宾语从句中might表过去可表过去可能性能性第12页4）-Why hasnt Jack come back yet?_ anything have happened to him?-I am not sure,but I guess something _ h
7、appened.A May;must haveB Can;might have 第13页(3)may+主语主语+动词原形动词原形“祝某人祝某人/物物”不用不用might May you succeed in the coming exam!May our friendship last forever!祝您美梦成真。祝您美梦成真。祝您生活美满幸福。祝您生活美满幸福。May you live a happy life.May all your dreams come true.第14页1.-Is Jack on duty today?-It _ be him.Its his turn tomor
8、row.A.mustnt B.wont C.cant D.neednt2.Well,he _ have gone far his coat is still here.A.shouldnt B.mustnt C.cant D.wouldnt第15页3.Who_ it be at this time of day?A can B may 4.He is very busy.He_be watching TV at home.A may not B cant 第16页5.The climate of the south_ be rather cold in winter.A would B can
9、 C must6.-_I use your bicycle?-Of course,you_.A.Can;could B Could ;can 第17页7.He said that I _use the phone.A may B might 8.The man looks energetic,so he _ be ill.A may not B cant第18页Notice:may/might not 可能不（语气不愿定）can/could not 不可能（语气肯定）1.He may not be ill.他可能没病。2.He can not be ill.他不可能有病。第19页 9.Helen _ go on the trip with us,but she isnt quite sure yet.A.Shall B.must C.may D.can 10.We _ have proved great adventurers,but we have done the greatest march ever made in the past ten years.A.neednt B.may not C.shouldnt D.mustnt 第20页