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1、Unit 11 Could you please clean your room? Section A 1a-2c,do the dishes,sweep the floor,fold the clothes,What chores do you do every day?,make the bed,do the laundry,take out the trash,make the bed,do the laundry,do the dishes,take out the trash,sweep the floor,clean the living room,fold your clothe
2、s,洗餐具 拿出垃圾 扫地 洗衣服 铺床 叠衣服 打扫客厅,How do you say when you want to ask sb. to do sth.?,Could you please sweep the floor?,Yes, sure.,1b:Listen. What kind of chores do Mom and Peter do? Check( )Mom or Peter.,Tapescript,Mom: Peter, we need to clean the house. Peter: Okay, but I need to do my homework first.
3、 Mom: Yes, thats right. After you finish your homework, lets clean the kitchen. I can do the dishes and sweep the floor. Could you take out the trash? Peter: Yes, sure. Mom: Good. And could you make your bed and fold your clothes? Peter: All right. Mom: And lets see I can clean the living room.,1c,C
4、ould you please sweep the floor?,Yes, sure.,Task 4,Could you please ?,Could you please ?,.,Could you please ?,.,1. After dinner, you need to _. 2. After the washed clothes are dry, you need to _ . 3. If the dustbin is full, you have to _.,do the dishes,fold your clothes,take out the trash,4. If ther
5、e is lots of dust on the floor, you have to _. 5. After you get up in the morning, you need to _. 6. If your clothes are dirty, you need to _. 7. If your bike is dirty, you have to _.,sweep the floor,make the bed,do the laundry,clean the bike,2a Listening,2b Why does Peters father say “no”?,Peter:He
6、y,Dad! Dad:Yes? Peter:Could I _tonight? Dad:I guess so .But dont_ Peter:Could I stay out_? Dad:No,you cant .You _tomorrow, remember? Peter:Oh,Yeah.Well ,could I_? Dad:Sorry,but I need it.I have to go to _ Peter:Could you _downtown. Dad:Sure.,go to the movies,stay out late.,until 11,have a test,use t
7、he car,a meeting.,give me a ride,Use “Could you/I please” to make up a dialogue.,A: Could I please use your computer? B: Sorry. Im going to work on it now. A: Well, could I watch TV? B : Yes, you can. But first you have to clean your room.,Task one,Act show,work on (从事于/忙于/致力于/演算/操作),work (hard) at(
8、在方面努力地工作/学习）,1. Could you please clean your room? Yes, sure./ Of course/ Certainly. 2.Could you please do the dishes? Sorry/ No, I cant. I have to do my homework.,Key sentence structures,Could you（please）+ V-原形？ 表示委婉地提出请求,I have a headache.,Im very busy.,Grammar focus,Could you (please) do sth?,Yes,
9、 I can. All right. “Yes” Sure. No problem. Certainly.,No , I cant “No” Sorry I cant,Grammar focus,Example : A: Could you please clean the classroom? B: Sorry. I have to do my homework. C: No, Ill go home. D: Yes, sure.,情态动词用法小结,情态动词的语法特征: 1) 情态动词不能表示正在发生或已经发生的事情, 只表示期待或估计某事的发生。 2) 情态动词除ought 和have 外
10、, 后面只能接不带to 的不定式。,3) 情态动词没有人称,数的变化,即情态动词第三人称单数不加-s。 4) 情态动词没有非谓语形式,即没有不定式、分词等形式。,could与can的区别： could与can都是情态动词,could是can的过去式。二者都可用于表示请求, 但是用法稍有不同。 can表示一般性的请求,语气随便，常用于熟人之间或长辈对晚辈, 上级对下级的场合。,e.g. Can you tell us your story ,Tony ? Tony,你能给我们讲讲你的故事吗？ could表示有礼貌的请求,语气委婉,常用于非熟人之间或晚辈对长辈,下级对上级的场合。,e.g. Cou
11、ld you tell us if it snows in winter in Australia? Sure. 请告诉我们, 澳大利亚冬天下雪吗? 当然可以。,提出委婉的请求在回答中不可用could。 - Could I have the television on? - Yes, you can. / No, you cant. 2. 在否定、疑问句中表示推测或怀疑。 He couldnt be a bad man. 他不大可能是坏人。,may和might 表示允许或请求;表示没有把握的推测;may 放在句首,表示祝愿。 May God bless you! He might be at
12、home. 注意: might 表示推测时,不表示时态。只是可能性比may小。,have to和must 1) 两词都是 “必须”的意思, have to 表示客观的需要, must 表示说话人主观上的看法, 既主观上的必要。,My brother was very ill, so I had to call the doctor in the middle of the night. 我弟弟病得很厉害,我只得半夜里把医生请来。(客观上需要做这件事) He said that they must work hard. 他说他们必须努力工作。(主观上要做这件事),2) have to有人称、数、
13、时态的变化,而must只有一种形式。但must 可用于间接引语中表示过去的必要或义务。 He had to look after his sister yesterday.,3) 在否定结构中:dont have to 表示 “不必”, mustnt 表示“禁止”。 You dont have to tell him about it. 你不一定要把此事告诉他。 You mustnt tell him about it.你一定不要把这件事告诉他。,用情态动词can, cant, may, must, mustnt , neednt, could 填空。 1. - _ you come and
14、play with us now? - Im afraid I _. I _ do the cooking. I _ come later. 2. - _ we clean the windows today? - No, you _. You _ clean them tomorrow.,Could,cant,must,can,Must,neednt,can,3. - _ I watch TV this evening, mum? - No, you _. Work _ come first. 4. - _ I come in, please? -Yes, please. 5. Excuse
15、 me. _ you tell me the way to the cinema?,May,mustnt,must,Can,Can,情态动词的回答方式 问句 肯定回答 否定回答 Need you?Yes, I must. No, I neednt Must you?/dont have to.,典型例题 1）-Could I borrow your dictionary? -Yes, of course, you_. A. might B. will C. can D. should,could表示委婉的语气,并不为时态。答语中of course,表示肯定的语气,允许某人做某事时,用can和may来表达,不能用could或might。复习:will 与you连用,用来提出要求或下命令。should与you 连用,用来提出劝告。,2)Could I go to the movies this weekend, Dad? Yes, you _. But you have to come back before nine. (2007 浙江)
