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Module 2 What can you do?,情态动词can 1.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 cant.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 cant 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。,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+cant+动词原形+其他。例如: Lucy cant play the piano.露西不会弹钢琴。 We cant 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+cant。例如: Can you dance?你会跳舞吗? Yes,I can./No,I cant.是的,我会。/不,我不会。,.单项填空 ( A )1.I follow you.Would you please say it again? A.cant B.mustnt C.neednt D.shouldnt ( A )2.Mr Green be in his office.I saw him go out just now. A.cant B.mustnt C.couldnt D.shouldnt ( D )3.Can I have a look at your photos,please? . A.Im sorry to hear that B.Dont mention it C.I cant agree with you D.Sure,here you are,( 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.cant C.must D.mustnt,.根据句意用can或cant填空 1. Can you dance? No,I cant . 2.Sorry,I cant tell you the boys name. 3.I dont 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 cant see any books in the bag,but I can see some crayons and pencils in it.,
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