1、1Unit 1 Can you play the guitar单元语法专练情态动词 can的用法1.定义:情态动词 can本身有一定的含义,但不能单独作谓语动词,必须和动词原形连用。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”等。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)表示猜测,常用于否定句或疑问句中,指某种可能性。例如:Han Mei cant be in the classroom.韩梅不可能在教室里。Can he come here to
2、day?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。注意:could 也可表示请求,但比 can的语气更委婉。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。2You 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
3、 do it like that.我们不能像那样做。(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(C)1.Li Hua cant in the classroom,because he is at home now. A.is B.areC.be D.am(B)2.Can you play chess?No,I . A.may not B.cantC.mustnt D.can(A)3.The work i
4、s too hard for him.He finish it at once. A.cant B.shouldnt3C.can D.should(B)4.She sing and dance. A.is B.canC.are D.be(C)5.Can you and Cindy swim?Yes,we . A.cant B.areC.can D.arent(A)6.What can they ? A.do B.doesC.did D.doing(D)7.My brother can an English song. A.sings B.be singC.to sing D.sing(A)8.
5、Can I use your bike? .Here you are. A.Sure B.NoC.Thanks D.Sorry(B)9.Its surprising that Mr.Lees little daughter speak English so well. A.must B.can4C.mustnt D.cant(D)10.Can you draw?No,I . A.am not B.dontC.can D.cant.按要求完成句子,每空一词1.Can you play basketball?(作肯定回答) Yes ,I can . 2.Can he play the guitar?(作否定回答) No ,he cant . 3.He can speak English.(改为一般疑问句)Can he speak English? 4.She can do kung fu.(改为否定句)She cant do kung fu. 5.We can play football after school.(对画线部分提问) What can you do after school? 5
