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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,*,Unit 5 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.,表示能力的答复,Language Goals:,Make invitations,Decline invitations,accept invitations,Talk about obligations,a birthday party,A:Can you come to my birthday party?,B:,Sure,Id love like to.,接受邀请的答复,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,的答复,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 to,prepare,for an exam,.,Explanation,1.can 的用法,表邀请。,假设接受邀请，答复为：,OK./All right./Sure./Of course./Certainly./,Yes(Sure),Id love(like)to.,假设不接受邀请，答复为：,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 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，会否认句 cant不能,eg.He can swim,but I cant.,How long can you stay under water?,在否认句，疑问句中表示“不可能或“一定不,eg.Can he come?No,he cant 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,在否认句中直接在他,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？,He 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,复原 have to,had to要加助动词did,复原 have to,才可能完成其疑问、否认句。,试将下面三种话分别写成,1一般疑问句，并做肯定答复。,2否认句。,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 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，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，否认式为“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，它的否认式意为“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 football 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 /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 questions.我让学生答复我的问题。,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 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.这是对邀请的肯定答复,表示接受邀请.Sure用于口语,相当于Certainly,yes.,3)Sorry,I cant.是对邀请的否认答复。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 with 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(Tim,Kay,Anna,and Wilson)next to the correct students in,the picture.,Tim,Anna,Kay,Wilson,Language points,1.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.,2.,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!,3.Im sorry,Im not available.,真抱歉，我没有空。,此句中的available 表示“有空；不忙；,有时间交谈或聊天，其后还可用 to do 引,出具体的事情。例如：,Are you available tomorrow morning?,明天早上你有空吗？,Im afraid Im not available to help with,the school show on the 19th.,我怕是没空来帮着准备学校19号的演出了。,4.I have an exam on Monday so I must,prepare for it.,周一有考试，所以我必须为其做准备。,一、prepare用作及物动词时,1).preparesth.表示“准备.，后接名词或,代词作宾语,e.g.OurEnglishteacherwaspreparingthe,lessonswhenIcameintotheoff
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