人教版八年级英语下册 Unit3第3课时 教学课件PPT初二公开课

1、Unit 3 Could you please clean your room?Section A Grammar Focus-4c初中英语 八年级下册 RJNew words: pass, borrow, lend, finger, hate, whileGrammar: 情态动词could的用法Sentences:Could you please .?Yes, Sure./Sorry, I cant .Could I .?Yes, you can./ Sorry, you cant.Learning goalsYou could . at home.make your beddo the

2、dishessweep the floorWarming upFree talkwash clothesYou could . at home.take out the rubbishfold your clothesCould I go out for dinnerwith 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 thedog

3、 for a walk?OK, but I want to watch one show first.Could you please take outthe rubbish?Yes, sure.出去吃晚饭遛狗倒垃圾Grammar Focus语法概述情态动词could可用于有礼貌地向对方提出要求或请求，也可用于请求对方允许自己做某事。它本 身不能作谓语，必须和不带to的动词原形一起构成 谓语。情态动词could的用法肯定 回答No problem. 没问题。With pleasure. 乐意帮忙。Sure/Of course/Certainly, I can. 当然可以。Could you p

4、lease lend me your bike?Sure/Of course/Certainly, I can.1.用于提出要求或请求“Could you please.?” 意为 “请你好吗？”，用于提出要求或请求。否定形式为Could you please not.?Yes, sure/of course. 是的，当然可以。Sorry, I cant. I have to. 对不起，我不能，我得Sorry, Im going to . 对不起，我将Im afraid I cant. I have to. 我恐怕不能，我得Im afraid not. 恐怕不行。Could you pleas

5、e go hiking with me tomorrow?Sorry, I cant. I have to prepare for a competition.否 定 回 答Of course you can. 当然可以。Yes, please. 是的，去吧/用吧/Sorry, you cant. 对不起，你不能。Sorry, Im afraid you cant. 对不起，恐怕不行。2.用于请求许可“Could I.?”意为“我能吗？”，用于请求对方允许自己做某事。Yes, you can. 是的，你能。肯定回答否定 回答Could I have a look at your new wat

6、ch?Of course you can. Here you are.Mum, could I go out for a while?Im afraid you cant.You have to wash your clothes first.【特别提醒】表示请求许可（即请求别人允许自己做某事），could和can都可以用，但could语气更委婉。Could/Can I come in?对别人的请求许可的回答，一般只用can，而不用 could. Could I use your pen? Of course you can.3.表示能力could 表示过去的能力，表示现在的能力用can。此时

7、could是can的过去式。Could you speak English then?Looking down from the plane, we could see the light on the runway.【拓展】could的其他用法：表示推测后接动词原形，表示对现在或将来的推测。You could be right, but I dont think you are. (对现在的推测)We could go there this summer. (对将来的推测)与完成时连用，表示对过去的推测。Where could he have gone?She couldnt have le

8、ft so soon.表示建议“You could.” 表示提建议，意为“你可以” 。You could go to the station by subway.You could do housework for your mother.4a Write R for requests and P for permission. PCould I hang out with my friends after the movie? RCould you please pass me the salt? PCould I borrow that book? RCould you help me d

9、o the dishes? RCould you lend me some money?a.Yes, here you are.b.Hmm. How much do you need?Then match each one with the correct response.P-_d_ Could I hang out with my friends after the movie?R-_a_ Could you please pass me the salt?P-_c_ Could I borrow that book?R-_e_ Could you help me do the dishe

10、s?R-_b_ Could you lend me some money?finish doing sth.做完某事c.Yes, sure. No problem. I finished reading it last night. d.Yes, but dont come back too late. 回来e.No, I cant. I cut my finger and Im trying not to get it wet.Language points1. Could I hang out with my friends after the movie? (教材 P20 4a)hang

11、 out 闲逛hang out为固定短语，此时hang的过去式和过去分词均 为hung。She is hanging out with her friends in the shopping mall.【拓展】 含hang的其他常见短语：hanghang on 抓紧；等 一下；别挂电话hang up 挂断电话hang back 留下； 犹豫；吞吞吐吐hang together (观 点等)前后一致Could you please pass me the salt? (教材P20 4a) pass /ps/ ,/ps/ v. 给；递；走过；通过pass在此处为及物动词，意为“给；递”。pass

12、sb. sth. = pass sth. to sb.，意为“把某物递给某人”。如果sth. 为代 词，只能用pass sth. to sb. 结构。He passed me the magazine.= He passed the magazine to me.This ball is Owens. Please pass it to him.【拓展】 pass作动词的其他常见含义：pass走过； 通过The road was so narrow that cars were unable to pass.及格； I was happy that I passed the exam.合格(时

13、间) 过 The days passed slowly.去；流逝3. Could I borrow that book? (教材P20 4a)Could you lend me some money? (教材P20 4a)bor ow /br/ ,/br/ v.借；借用 lend /lend/ v. 借给；借出【易混辨析】 borrow与lend例词含义常用结构borrow“借；借用”，指主语从别人 处“借入”东西自己使用。borrow sth. (from sb.)（向某人）借某物lend (lent, lent)“借给；借出”，指主语把自 己的东西“借出”给别人使用。lend sth. t

14、o sb.=lend sb. sth.把某物借给某人【拓展】lend与borrow是短暂性动词，不能与表示一段 时间的状语连用。表示 “借用某物一段时间”时，要用 keep sth. for some time。Nick borrowed a book from the library and he lent it to me. He told me that I could keep it for a week.【巧学妙记】主语借出用lend，主语借入用borrow， 想要保存用keep。Use the content of 4a to have dialogues with your pa

15、rtner.Could you please pass me the salt?Yes, here you are.me with4b Fill in the blanks in the conversation. A: I hate to d_ochores.B: Well, I hate some chores too, but I like other chores.A: Really? Great! _C_o_u_l_d_ I ask you to h_e_lp some chores then?B: What do you need help with?A: _C_o_u_l_d_

16、you please _fo_l_d_/_w_a_s_h_ my clothes for me? B: I dont want to do that! Its boring!A: OK. Then _c_o_u_l_d_ you _p_l_e_a_se_ do the dishes for me?B: Sure, no problem. But _c_o_u_ldwe go to the movies after that?A: Sure. Ill finish my homework while you help me with the dishes. Then we can go to t

17、he movies.B: What do you need help with?A: Could you please fold/wash my clothes for me? B: I dont want to do that! Its boring!Role-play the conversation. A: I hate to do chores.B: Well, I hate some chores too, but I like other chores.A: Really? Great! Could I ask you to help me with some chores the

18、n?叠/洗我的衣服that?A: Sure. Ill finish my homework while you help me with the dishes. Then we can go to the movies.去看电影完成我的家庭作业=wash the dishes 洗餐具A: OK. Then could you please do the dishes for me?B: Sure, no problem. But could we go to the movies afterLanguage pointIll finish my homework while you help

19、me with the dishes. (教材P20 4b)while/wal/conj. 与同时；当的时候；而；然而while在此处作连词，引导时间状语从句，强调在 从句动作发生的同时，主句动作也在进行。While I was doing my homework, my father was reading a book.(2) while作连词，还可表示“而；然而”，强调两者之间 的对比。This shirt fits better while that one has a nicer style.Look at the picture and answer the following q

20、uestions.Are the students in the picture at school or away from school?What can you see next to them?What do you think they are doing?If we are going camping with our friends, what should we bring or what do we need to do for the camping trip?To-do listNamebring a tentLiu Chang4c Make a list of thin

21、gs your group needs to do for a camping trip. Then discuss who will do them and complete the chart.A: Could you please bring a tent, Liu Chang?B: Sure. And could you please.?C: Sorry, I cant. I have to.SampleA: Could you please bring a tent, Liu Chang?B: Sure. And could you please bring a camera, Ma

22、ry?C: Sorry, I cant. I have to prepare some food and drinks.D: Id like to bring a camera. And could we play cards there? If we can, I can prepare some cards.A: Thats a good idea. And Ill bring a flashlight.A. Perhaps next timeC. Yes, Id like toB. Have a nice mealD. It dependsA. Could; mustntC. Must;

23、 needntB. Need; couldntD. Should; cant一、单项选择1.(2021武汉中考)Can you come over to my house for dinner? C.Shall I bring anything?2.Mum, its too hot. AI swim in the lake with my friends?No, you . Thats too dangerous!ExercisesA.Thats rightC. It doesnt matterB. Im sorryD. Not at all4.Could I invite my friend

24、s to the party on Saturday, Mom?Of course you D. That sounds like fun.A. mayB. couldC. mustD. can3.Could you please help me wash the car, Tony? B, Im studying for my coming English test now.A. Take it easyC. With pleasureB. It doesnt matterD. Youre welcome5.Could you tell me how to pay for the food

25、by QR code(二维码)on the phone? C.6.Gina, could you please play the drums on the art festival? A. I can only play the guitar.A. Im afraid I cant.B. Yes, I can.C. Sure, Id love to.speak two languages when he was eightA. mayB. canC. cantD. could 8.David, Ayou please sweep the floor and take out the rubbish?OK. Mum.A. couldB. mayC. should