201x七年级英语下册Module2Whatcanyoudo模块语法专练新版外研版.ppt
6页
Module 2 What can you do?精选课件 情态动词can1.定义:情态动词can本身有一定的含义,但不能独立存在,只能和动词原形一起构成谓语can本身没有人称和数的变化2.基本用法:( 1 )表示能力( 如体力和脑力方面 ),意为“能;会”例如:Can you play the piano?你会弹钢琴吗?Jim can swim but I can’t.吉姆会游泳,但我不会 2 )表示可能性,常用于否定句或疑问句中例如:Han Mei can’t be in the classroom.韩梅不可能在教室里Can he come here today,please?请问他今天能到这里来吗?( 3 )表示请求或允许,意为“可以”,常用于口语中,此时与may同义例如:Can I have a cup of tea,please?请问我可以喝一杯茶吗?You can go out.你可以出去了精选课件 3.基本句式:( 1 )肯定句:主语+can+动词原形+其他例如: He can help you.他能帮助你 You can go to play games.你可以去玩游戏了。
2 )否定句:主语+can’t+动词原形+其他例如: Lucy can’t play the piano.露西不会弹钢琴 We can’t do it like that.我们不能那样做 3 )一般疑问句:Can+主语+动词原形+其他? 肯定回答:Yes,主语+can 否定回答:No,主语+can’t例如: —Can you dance?你会跳舞吗? —Yes,I can./No,I can’t.是的,我会/不,我不会精选课件 Ⅰ.单项填空( A )1.I follow you.Would you please say it again? A.can’t B.mustn’t C.needn’t D.shouldn’t( A )2.Mr Green be in his office.I saw him go out just now. A.can’t B.mustn’t C.couldn’t D.shouldn’t( D )3.—Can I have a look at your photos,please? — . A.I’m sorry to hear that B.Don’t mention it C.I can’t agree with you D.Sure,here you are精选课件 ( D )4.—Bill, you run fast? —Yes.What about you? A.must B.need C.may D.can( B )5.—I go to the movies this time.How about next time? —All right. A.can B.can’t C.must D.mustn’t精选课件 Ⅱ.根据句意用can或can’t填空1.— Can you dance? —No,I can’t . 2.Sorry,I can’t tell you the boy’s name. 3.I don’t think you can sing this song in English. 4.—What can this computer do for us? —It can help us do with many problems. 5.I can’t see any books in the bag,but I can see some crayons and pencils in it. 精选课件 。
