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1、Unit 9 Can you come to my party?,Section A 1a-1c,A: Can you swim? B: Yes, I can. /No, I cant.,A: Can you play football? B: Yes, I can. /No, I cant.,表示能力的回答,Language Goals: Make invitations Decline invitations accept invitations Talk about obligations,a birthday party,A: Can you come to my birthday p
2、arty?,B: Sure, Id love like to.,接受邀请的回答,Work in pairs,A: Can you come to my birthday party? B: Sure, Id lovelike to.,A: Can you come to my birthday party? B: Sorry, I cant. I have to ,拒绝邀请 的回答,help my parents.,Work in pairs,A: Can you come to my birthday party? B: Sorry, I cant. ,自由操练 可参考图片,I have t
3、o prepare for an exam .,Explanation,1. can 的用法 （）表邀请。 若接受邀请，回答为： OK./All right./Sure./ Of course./Certainly./ Yes(Sure),Id love(like) to. 若不接受邀请，回答为： Sorry,cant.(+原因) eg . Can you come to the party? Yes/Sure,Id love/like to. Sorry,Icant. I have to help my parents.,其他表邀请的句型: 1) Could /Will/Would you
4、come to the party? 2) Would you like /love to come to the party? 3) I hope you come to the party. 4) Please come to the party. 5) How/What about coming to the party? （）表能力“能，会”否定句 cant不能 eg. He can swim,but I cant. How long can you stay under water? （）在否定句，疑问句中表示“不可能”或“一定不” eg. Can he come ?No,he ca
5、nt come.（他会来吗？不，他不能来）,2.情态动词“have to”与其他的情态动词如：“can” , “may” “must”和 “should” 不同。 （1）这4个情态动词没有人称和数的变化,而have to有。它的第三人称单数为“has to” ,过去时为had to, 如：,He should study hard . 他应该好好学习。 He has to study hard . 他不得不好好学习。,（2）这4个情态动词在一般疑问句中将它们放在句首, 在否定句中直接在他 们后边加not即可。,我们以can为例: Can he go with us ? 他能和我们一起去吗？ H
6、e cant go with us . 他不能和我们一起去。 而“have to”要加助动词do , has to要加助动词does ,还原 have to had to要加助动词did,还原 have to 才可能完成其疑问、否定句。,试将下面三种话分别写成 （1）一般疑问句，并做肯定回答。 （2）否定句。 1: They have to go to the party . Do they have to go to the party ? Yes , they do . They dont have to go to the party.,2：He has to go to see the
7、 doctor . Does he have to go to see the doctor? Yes , he does . He doesnt have to go to see the doctor .,3： She had to have a piano lesson yesterday. Did she have to have a piano lesson yesterday? Yes, she did . She didnt have to have a piano lesson yesterday.,2 .have to强调客观上需要做某事，即表示外界 条件的需要不得不做某事，
8、含有“客观所迫”的意味，它有人称和数的变化，可用于多种时态中，否定式为“不必”。 must强调说话者主观上认为必须做某事，含有“主观判断”的意味，它的否定式意为“禁止，不允许”。 eg. If one gets ill,hell have to see a doctor. She has to go to school by bus. We must go to school on time. -Must I finish the homework now ? -Yes, you must./No,you neednt(dont have to). You mustnt play footba
9、ll in the classroom.,3. I have to help my parents . 我不得不帮助我的父母。 help sb. with sth .或help sb (to) do sth . 上一句我们可以说： I have to help my parents with the housework . 或说I have to help my parents (to) do the housework .,4. have 构成的短语 1) have a rest/look/swim/walk 2)have a meeting/class/lesson/drink（喝一杯饮料
10、） /party 3)have breakfast/lunch/supper(dinner)/meals 4)have a good time/have fun (in) doing sth. 5)have a try 试一试 6) have sth on 穿戴着（不可用进行时）be wearing eg. But he has nothing on.可他什么也没穿。 7) have/let/make sb.do sth.=get sb.to do sth.让某人做某事 8) have sth.done 请叫某人做某事 eg. I have the students answer my que
11、stions.我让学生回答我的问题。 Tim will have his hair cut tomorrow. Tim 明天要去理发。,Can you,A: Can you come to my birthday party? B: Sorry, I cant. I have the flu .,=I have a cold.,=I catch a cold.,Can you,A: Can you come to my birthday party? B: Sorry, I cant. I have to go to the doctor.,Can you,A: Can you come to
12、 my birthday party? B: Sorry, I cant. I have to meet my friend,Today we have learnt how to say “yes” or “no” to someones invitation and give a reason.,1) Can you ?常用于发出邀请.在口语也用would you like to ? Could you ?,2) Sure , Id love to .这是对邀请的肯定回答, 表示接受邀请.Sure用于口语, 相当于Certainly, yes.,3) Sorry, I cant. 是对邀请
13、的否定回答。Have to “不得不, 必须”,三单用has to .,Summary,A:Can you come to my party? B:Im sorry. I have to help my mom.,A: Can you play tennis ? B: Sure,Id love to.,Can you,A: Can you come to my party?,B: Sure,Id love to.,A:Can you go to the mall? B:Im sorry. Im going to the movies.,Can you,1a. Match the words w
14、ith the pictures.,Match the words with the picturesa-e,prepare for an eaxm,meet my friend,have the flu,go to the doctor,help my parents,1. Prepare for an exam _ 2. help my parents _ 3. go to the doctor _ 4. meet my friend _ 5. have the flu _,Check the answers!,b,c,d,e,a,1b Listen and write the names
15、 (Tim, Kay, Anna and Wilson) next to the correct students in the picture.,Tim,Anna,Kay,Wilson,http:/ I have to help my parents. 我不得不帮助我的父母。 help sb. with sth.或help sb (to) do sth. 上一句我们可以说： I have to help my parents with the housework. 或说 I have to help my parents (to) do the housework.,Language points,http:/ invite v. 邀请 invite sb. to sth. e.g. Lucy invites me to her party. The Smiths invite us to dinner. invitation n. 邀请, 邀请书 e.g. make an invitation accept an invitation decline invitation Thanks for your invitation!,http:/ sorry, Im not avail
