1、期中复习（二）Units 3&401Could I go out for dinner with my friends?Sure,that should be OK.Could we get something to drink after the movie?No,you cant.You have a basketball game tomorrow.Could you please take the dog for a walk?OK.but I want to watch one show first.Could you please take out the rubbish?Yes,
2、sureGrammar Focus could的主要用法的主要用法1.could 是是can的过去式的过去式,表示与过去表示与过去 有关的能力和有关的能力和推推测。例如：测。例如：We all knew that the young man couldnt be a doctor.2.could可以代替可以代替can表示请求表示请求,但语气较但语气较can客气、客气、委委婉。例如：婉。例如：Could you lend me your dictionary?Could I use your bike?以以could或或would提问时，不能再以提问时，不能再以could或或would作答，而应
3、该用作答，而应该用can或或will。如：。如：Could I borrow your dictionary?Yes,of course you can.02You look tired.Whats the matter?I studied until midnight last night so I didnt get enough sleep.What should I do?Why dont you forget about it?Although shes wrong its not a big deal.What should he do?He should talk to his
4、friend so that he can say hes sorryMaybe you could go to his house.I guess I could,but I dont want to surprise him.Grammar Focus情态动词情态动词should、could的的用法用法(一一)should的的用法：用法：表建议，意表建议，意为为“应该应该”(1)基本结构基本结构:should是是情态动词情态动词,后接动词原形后接动词原形。(2)否定结构否定结构:在在should后直接加后直接加not,缩写为缩写为shouldnt。(3)疑问结构疑问结构:将将should提
5、到主语之前提到主语之前。(二二)could的用法的用法1.含义含义:could是情态动词是情态动词 的的过去过去式。式。2.用法用法:(1)表示请求许可。常用于表示请求许可。常用于 句中句中,表示表示 语气语气。回答常。回答常用用 或或 表示接受请求或拒绝请求。表示接受请求或拒绝请求。(2)表示建议或劝告表示建议或劝告,意为意为“可以可以,不妨不妨”。can疑问疑问委婉委婉cancant常用于提常用于提建议的句型建议的句型(1)What about doing sth?=How about doing sth?.怎么样？怎么样？(2)Why dont you do sth?=Why not d
6、o sth?为什么不呢？为什么不呢？(3)Lets do sth.让让我们一起做某事吧。我们一起做某事吧。(4)Shall we/I do sth?我们我们做做好吗好吗？(5)had better do/not do sth 最好做最好做/不做某事不做某事(6)Will/Would you please do sth 请你做请你做好吗？好吗？(7)Would you like to do sth?你想去做某事吗？你想去做某事吗？(8)Would you mind doing sth？你介意做某事吗？你介意做某事吗？【回答】(1).同意对方的建议时，一般用：同意对方的建议时，一般用：Good i
7、dea./Thats good idea.好主意。好主意。OK/All right./Great.好好/行行/太好太好了。了。Yes,please./Id love to.是的是的/我我愿意。愿意。I agree with you.我我同意你的同意你的看法。看法。No problem.没问题。没问题。Sure/Of course/Certainly.当然可以。当然可以。Yes,I think so.对对，我也这样，我也这样想。想。Exercise03单项选择。1Can you come to my birthday party tonight？Yes,Id love to.But I have
8、 to finish _my homework firstAdoing Bto do Cdoes2.When would you like to go swimming this Friday or this Saturday?_.I am free only this Sunday.A.None B.Both C.Either D.NeitherAC3.Can I_ Robinson Crusoe？Sure,its very interesting,but you can only _it for two weeksA.borrow;lend B.lend;borrowC.borrow;ke
9、ep D.lend;keep4.Many tourists prefer five-star hotels because they think expensive hotels always_ guests with better service.A.prevent B.protect C.present D.provideCD5.Im tired out after three-day work day and night._ relax yourself?Go out and enjoy the natural beauty.A.Why not B.Why dont C.What about D.Shall we6.We dont have much homework this weekend.Shall we go out together?OK.What about _ a movie?A.to see B.seeingC.see D.sees ABTHANK YOU
