1、I can fly.He can fly.He is able to fly.He can swim.But he _ _ last year.couldnt swimHe is able to swim.But he was unable to swim last year.He can fly a kite.But he _ _ a kite last year.couldnt flyHe is able to fly a kite.But he was unable to fly a kite last year.It can ride a bike.But it _ _ a bike
2、last year.couldnt rideHe is able to ride.But he was unable to ride last year.She can row a boat.But she _ _ a boat last year.couldnt rowHe is able to row.But he was unable to row last year.He can play tennis.But he _ _ it last year.couldnt playHe is able to play.But he was unable to play last year.A
3、:Can you?B:Yes,I can.Imabletonow.A:Could you at the age of five?B:No,I couldnt.I was unable to when I wasA.用用“can”/“could”谈论一个人的谈论一个人的_.B.can/could:_ cant/couldnt：_C.can 表示表示_ 的能力的能力.D.could表示表示_ 的能力。的能力。E.can/could可以转换为可以转换为F._G.cant/couldnt可转换为可转换为_能力能力(ability)现在现在过去过去能能/会会不会不会be able tobe unable
4、 to/be not able toSandySimonMillie Daniel&PeterAmylast yearthis yearAsk and answer the questionsA:Can Sandy row a boat now?B:Yes,she can.A:CouldSandy row a boat last year?B:No,she couldnt.Take turns to ask and answer questions using “can”or“could”.Try to make dialogues in pairs.1._ you speak Japanes
5、e?2._ you play the piano last year?3._ you cook?4._ you use a computer when you were 3?5._ you ride a bicycle when you were very younger?6._ you understand English TV programmes in 2000?CanCouldCanCouldCouldCouldReporter:_ you tell us about the fire?Lin Tao:Sure.Cancan,could,may都可以用来表都可以用来表示请求或给予许可。
6、但用法示请求或给予许可。但用法上有一些区别上有一些区别：a)Can I borrow your bike,Simon?b)西蒙，我可以借一下你的自行车吗？西蒙，我可以借一下你的自行车吗？Of course.当然可以。当然可以。b)Can I drink some milk,Mum?c)妈妈，我可以喝点牛奶吗？妈妈，我可以喝点牛奶吗？Yes,you can.好的。好的。can常用于常用于(口语，书面语口语，书面语)中，表示中，表示(正式，正式，非正式非正式)的请求，的请求，请求对象一般是请求对象一般是_。家人或朋友家人或朋友a)Could I use your computer,please?b
7、)请问，我可以用一下你的电脑吗？请问，我可以用一下你的电脑吗？Yes,you can.可以。可以。b)Could I smoke here?我可以在这吸烟吗？我可以在这吸烟吗？No,Im afraid you cant.不，不行不，不行。_常用来代替常用来代替can向对方更委婉地提出向对方更委婉地提出请求，请求，用法上比用法上比can正式正式，可以用于向，可以用于向_提出请求，这时提出请求，这时could不表不表示过去示过去。Could陌生人、长辈或老师陌生人、长辈或老师a)May I use your mobile phone?b)我可以用你的手机吗？我可以用你的手机吗？of course
8、you may。当然可以。当然可以b)May I come in,Mr Wu?吴老师，我可以进来吗？吴老师，我可以进来吗？No,you cant/mustnt.不行。不行。may也可以用来征求对方意见，意为也可以用来征求对方意见，意为“可可以以”，_的请求。的请求。注意它的否定回答为：注意它的否定回答为：No，_正式，委婉正式，委婉cant/mustnt Can I eat an apple?Yes,you _.No,you_.May I eat some bread?Yes,you _.No,you_.Could I eat some bread?Yes,you _.No,you_.canc
9、antmaycant/mustntcancantAmy:I take my cousin Shirley with us,Mr Wu?Mr Wu:Yes,you.But we will get there by bike.She ride a bike?Amy:Yes,she.South Hill is a good place to have fun.We go camping there?Mr Wu:I am afraid you.Amy:I see.I make a call on your mobile?I left mine at home.Mr Wu:Of course you.B
10、y the way,you take your camera with you,Amy?Amy:No problem.Could/Maycan/mayCancanCould/MaycantCould/MaycanCan1-I hear youve got a new iphone 4s._ I have a look?-Yes,certainly.(2012苏州苏州)A.May B.Do C.Shall D.Should1-Im afraid I need a pair of glasses.I _ hardly see the words on the blackboard.-Thats terrible.You may have got poor eyesight.(2012镇江镇江)A.can B.must C.may D.need1-_ I borrow your history book?-Sure.Here you are.(2011淮安淮安)A.Must B.May C.Need D.Will1-May I smoke here,please?-I am afraid you _.This is a non-smoking area.(2009扬州扬州)A.canB.cant C.may D.may not
