2014新版Unit3全单元课件.ppt

d a c e b do Could help Could fold could please can Ask and answer according to the pictures in your cards.The one who gets a red card asks and the one with a blue card answers. A: Could you please clean the floor? A: Sure, (but I have to do my homework first!) RMB 2000 borrow some money : Could I borrow some money? I want to buy a camera. some: : Sorry, I don’t have so much money. it’s too dear! 1. Could you please clean your room? Yes, sure./ Of course/ Certainly. 2.Could you please do the dishes? Sorry/ No, I can’t. 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. I’m very busy. … 2) Would you like to do sth? 3 ) Shall I/we do sth? 4 ) Let’s do sth. 也可表示请求。  1) Would you mind cleaning your room ?   Could I stay out late? Could I please use the car? Sorry, you can’t. I have to go to a meeting. Could I please get a ride? No, you have a test tomorrow. Yes, you can. 3. 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辈， 上级对下级的场合；  Can you tell us your story , Tony ?   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。 Could you tell us if it snows in winter in Australia ?  Sure .  Unit 3 Could you please clean your room? Section B 1. buy some drinks and snacks 2. borrow some money 3. clean your room 4. invite my friends to a party 5. go to the store 6. use your CD player 7. take out the trash 8. make your bed 小吃，快餐 借 邀请 teenagers/parents teenagers/parents teenagers teenagers parents parents parents parents invite sb to do sth 邀请某人做某事 invitation n. 邀请；请帖 1b Make conversations by using the phrases in 1a and role play them