Section A-2_712409.pptVIP

Unit 9 Can you come to my party?;A: Can you come to my birthday party? B: Sure, I’d love to. ;A: Can you go to the concert? B: I’m sorry, I can’t. I have to prepare for an exam.;A: Can you go to the movies? B: I’m sorry, I can’t. I have to go to the doctor. A: Can he go to the movies? B: No, he can’t. He has to go to the doctor. ; ;A: Can you play computer games with me? B: Sorry, I can’t. I have to go to the baseball game. A: Can he play computer games with me? B: No, he can’t. He has to go to the baseball game.;A: Can you play soccer with me? B: Sorry, I can’t. I have to watch TV. A: Can she play soccer? B: No, she can’t. She has to watch TV.;Accept (接受) invitations:; Can you ...? 意为“你能……吗？”，可用于邀请别人或委婉地请求某人去做某事。其肯定回答常用 Sure, I’d love / like to. ，否定回答常用 I’m sorry, I can’t. / Sorry, I can’t. 等。如： --- Can you go to the baseball game? 你能去参加棒球比赛吗？ --- I’m sorry, I can’t. 对不起，我不能。;单项填空 --- Can you help me with my English this weekend? --- Sorry, I ______. I have a lot of homework to do. A. can’t B. mustn’t C. needn’t D. don’t; 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的变化, 而have to有。它的第三人称单数为“has to”。 You / He should study hard. 你/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, 在否定句中直接在他们后边加not即可。; 试将下面三种话分别写成 （1）一般疑问句，并作肯定回答。 （2）否定句。 a. They have to go to the party. Do they have to go to the party? Yes, they do. They don’t have to go to the party. b. He has to go to see the doctor. Does he have to go to see the doctor? Yes, he does. He doesn’t have to go to see the doctor.; c. She had to study for a math test yesterday. Did she have to study for a math yesterday? Yes, she did. She didn’t have to study for a math yesterday.;have to 与 must; We have to wear warm clo