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1、Unit 9 Can you come to my party单元语法小专题Grammar Focus语法精讲情态动词can的用法1.can是情态动词，没有人称和数的变化，但有时态的变化，它的过去式为could,其后可直接接动词原形，总结它的用法如下：(1)表示能力，意为“能，会”。如：Can you swim？你会游泳吗？Can you answer the question?你能回答这个问题吗？(2)表示许可，意为“可以”，相当于may(比may更口语化，may较正式)。此外，could也可以表示许可，语气更加委婉。如：Can/May I come in?我可以进来吗？Can you he
2、lp me?你能帮我吗？You may go home now.你现在可以回家了。Could you help me find it?你能帮我找到它吗？(3)用于提出邀请。对其作肯定回答通常用“Sure./Of course./Certainly./Yes, Id love (like) to.”等，作否定回答通常用“Sorry/No, I cant.”等。Can he come to my party?他能来参加我的宴会吗？Yes. Hed love to.是的。他很乐意。Can you go to the baseball game?你能去看棒球比赛吗？Sorry, I cant.对不起，
3、我不能。(4)用于否定句或疑问句中，表示推测。如：Mr. Wang cant be at home.王老师不可能在家里。2.can句式变化(1)在变否定句时，直接在后面加上“not”，写作cant或cannot。如：I can speak French.我会讲法语。I cant speak French.我不会讲法语。(2)在变一般疑问句时，can直接移到主语前(原主语的首字母改成小写，第一人称应变为第二人称)即可。如：I can play the piano.我会弹钢琴。Can you play the piano?你会弹钢琴吗？其肯定回答可用yes, OK或certainly等；否定回答可
4、用no或sorry等。Can you look after my books, please?你能照看一下我的书吗？OK.可以。用certainly回答语气更为肯定。Can I see your guitar?我能看看你的吉他吗？Certainly.当然可以。语法精练.单项选择。( )1.Lisa, _you speak French?Yes,but only a little.A.need B.must C.may D.can( )2.Would you come to the party tonight?Yes,_.A.I would be B.I like C.I do D.Id lik
5、e to( )3.Would you like to join us in playing basketball?_,but Im afraid I have to study for my science test.A.I wouldnt B.Id love toC.Id like D.I dont like it( )4.Would you like to come to my birthday party next Friday?_.A.Id love B.Yes,Id love toC.Id like D.Yes,please( )5.Could I look at your pict
6、ure?Yes,of course you .A.could B.can C.will D. might.仿照例句，完成句子。例句：_?(you,go to the museum)Yes,Id love to. 答案：Can you go to the museum6._?(you,go skateboarding)Sorry,I cant.7._?(you,come to my house)Sorry,I have to help my sister with her English.8._?(he,play the game)Yes,he can.9._?(she,visit the co
7、untryside)No,she cant.She has to look after her grandpa.10._?(they,go camping)No,they cant.Theyre going hiking.根据汉语意思完成下列句子，每空一词。11.他不可能真的病了。He_ _really ill.12.你能来我的聚会吗？是的，我愿意去。Can you come to my party?Yes,_ _ _.13.他篮球打得不好。He _ _basketball well.14.我可以用你的词典吗？_ _ _ your dictionary?15.你能和我一起去看电影吗？对不起，我
8、不能。 _ _ go to the movies with me?_ , I_ .16.她可能在家吗？_she _ at home?17.你不可以将这本书拿到室外。You _ _ the book out of the room.18.琼现在会开车了。Jone _ _ now.Grammar Focus.1-5DDBBB.6.Can you go skateboarding 7.Can you come to my house 8.Can he play the game9.Can she visit the countryside 10.Can they go camping.11.cant be 12.Id love/like to 13.cant play 14.Can I use 15.Can you; Sorry; cant16.Can;be 17.cant take18.can drive
