人教版八年级英语下册Unit3 SectionA Grammar Focus-4c课件

Section A(GF4c)Unit Unit 3 3Could you please clean your room?v.扔；掷扔；掷adv.也不；也不；pron.两者都不两者都不n.衬衫衬衫v.给；递；走过；通过给；递；走过；通过v.借；借用借；借用throwneithershirtpassborrowv.借给；借出借给；借出n.手指手指v.厌恶；讨厌厌恶；讨厌n.杂务；乏味无聊的工作杂务；乏味无聊的工作conj.当当的时候；而；然而的时候；而；然而lendfingerhatechorewhile洗餐具洗餐具倒垃圾倒垃圾叠衣服叠衣服扫地扫地铺床铺床do the dishestake out the rubbishfold the/ones clothessweep the floormake the/ones bedwrite down the phrases待在外面待在外面帮助脱困帮助脱困至少至少stay outhelp outat leastwrite down the phrases打扫起居室打扫起居室没问题没问题搭车搭车外出吃晚饭外出吃晚饭去看电影去看电影从从回来回来随时；马上随时；马上一一就就clean the living roomno problemget a ridego out for dinner go to the movies be back fromany minute nowas soon as Could I go out for dinner with my friends?Sure,that should be OK.Could we get something to drink after the movie?No,you cant.You have a basketball game tomorrow.Could you please take the dog for a walk?OK,but I want to watch one show first.Could you please take out the rubbish?Yes,sure.Grammar Focus情态动词情态动词could1.1.含义：含义：“能够，能够，可能可能”2.2.是是cancan的过去式的过去式，比，比cancan更委婉更委婉3.3.不能不能作谓语作谓语,没有没有人称和数的变化，人称和数的变化，后加后加动词原形动词原形Could I go out for dinner with my friends?Sure,that should be OK.Could we get something to drink after the movie?No,you cant.You have a basketball game tomorrow.Could you please take the dog for a walk?OK,but I want to watch one show first.Could you please take out the rubbish?Yes,sure.Grammar FocusWhich sentences are asking for requests?Which sentences are asking for permission?1.委婉地请求别人做某事（提出请求）委婉地请求别人做某事（提出请求）句型：句型：Could you do?/Could you please do?你能你能吗吗?/请问你能请问你能吗吗?(2)肯定回答：肯定回答：Certainly./Of course./With pleasure./No problem./Yes,sure.否定回答：否定回答：No,I cant./Certainly not./No,Im afraid I cant.情态动词情态动词could的功能的功能【注意】【注意】回答只用回答只用can/cant，不用，不用could/couldnt.2.委婉地请求别人允许自己做某事（征求许可）委婉地请求别人允许自己做某事（征求许可）句型：句型：Could I do?我可以做我可以做吗吗?肯定回答：肯定回答：Yes,you can./Certainly./Yes,sure.否定回答：否定回答：No,you cant./No,Im afraid you cant.妈妈，我能先看电视吗？妈妈，我能先看电视吗？不行，你要写作业。不行，你要写作业。Could I wacth TV first,Mom?No,you cant.You should do your homework.情态动词情态动词could的功能的功能3.表示过去的能力，作表示过去的能力，作can的过去式的过去式I could speak English at the age of three.在我三岁时我能说英语。在我三岁时我能说英语。4.表示推测，表示推测，“可能可能”You could be right,but I dont think you are.你可能是对的你可能是对的,但我认为你不是。但我认为你不是。5.表示惊讶，表示惊讶，“不可能不可能”，比，比cant语气弱语气弱He couldnt/cant be fifty.他不可能他不可能5050岁。岁。6.表示建议表示建议You could go to school by subway.你可以坐地铁去学校。你可以坐地铁去学校。情态动词情态动词could的功能的功能4a1._ Could I hang out with my friends after the movie?2._ Could you please pass me the salt?3._ Could I borrow that book?4._ Could you help me do the dishes?5._ Could you lend me some money?Write R for requests and P for permission.PRPRRhang out with sb.与与.某人闲逛某人闲逛pass sb.sth./pass sth.to sb.给某人递东西给某人递东西borrow sth.(from sb.)从某人从某人.借某物（借进来）借某物（借进来）lend sb.sth./lend sth.to sb.给某人给某人借某物（借出去）借某物（借出去）pass 的用法的用法给；递给；递pass sb.sth.=pass sth.to sb.把某物递给某人把某物递给某人走过；通过走过；通过A car passed just now.A car passed just now.一辆车刚才经过了。一辆车刚才经过了。考试及格考试及格I was happy that I passed the exam.I was happy that I passed the exam.我很开心我考试我很开心我考试及格了及格了(时间时间)过去；流逝过去；流逝The days passed slowly.The days passed slowly.日子慢慢过去。日子慢慢过去。borrow&lend 的用法的用法borrow借来；借用借来；借用borrow sth.(from sb.)（向某人）借某物（向某人）借某物lend (lent)借给；借出借给；借出lend sth.to sb.=lend sb.sth.把某物借给某人把某物借给某人keep (kept)保存；借用保存；借用(和时间连用和时间连用)keep sth.for+一段时间一段时间 借用某物一段时间借用某物一段时间Nick borrowed a book from the library and he lent it to me.He told me that I could keep it for a week.尼克从图书馆借了一本书，他把它借给了我。他告诉尼克从图书馆借了一本书，他把它借给了我。他告诉我可以借一个星期。我可以借一个星期。4aThen match each one with the correct response.1._ Could I hang out with my friends after the movie?2._ Could you please pass me the salt?3._ Could I borrow that book?4._ Could you help me do the dishes?5._ Could you lend me some money?PRPRRa.Yes,here you are.b.Hmm.How much do you need?c.Yes,sure.No problem.I finished reading it last night.d.Yes,but dont come back too late.e.No,I cant.I cut my finger and Im trying not to get it wet.finish doing sth.做完某事做完某事try(not)to do sth.努力努力(不不)做某事做某事A:I hate to _ chores.B:Well,I hate some chores too,but I like other chores.A:Really?Great!_ I ask you to _ me with some chores then?B:What do you need help with?A:_ you please _ my clothes for me?B:I dont want to do that!Its boring!A:OK.Then _ you _ do the dishes for me?B:Sure,no problem.But _ we go to the movies after that?A:Sure.Ill finish my homework while you help me with the dishes.Then we can go to the movies.doCouldhelpCouldfoldFill in the blanks in the conversation.4bcouldpleasecouldhate sth./doing sth./to do sth.讨厌做某事讨厌做某事当当.时时while 的用法的用法1.作连词，作连词，”当当.时时”while延续性延续性后跟后跟现在进行现在进行时时when非延续性非延续性后跟后跟一般现在时一般现在时或或一般过去时一般过去时My father is reading a book while I am doing my homework.我爸爸在看书，而我在做作业。我爸爸在看书，而我在做作业。She wants to be a doctor when she grows up.她长大后想成为一名医生。她长大后想成为一名医生。2.作连词，作连词，”然而然而”3.3.做连词，做连词，“一边，一边一边，一边”，时态根据情境，时态根据情境I like white while she likes black.我喜欢白色然而她喜欢黑色。我喜欢白色然而她喜欢黑色。I will do homework while I listen to music.我将一边写作业一边听音乐。我将一边写作业一边听音乐。Make a list of things your group needs to do for a camping trip.Make a list of things your group needs to do for a camping tr