(
课件网) 人教八上英语同步精品课件 人教版八年级上册 Unit 9 Can you come to my party Section A Grammar Focus-3c 人教版八上英语同步备课精品课件 精彩课堂 人教版八上英语同步备课精品课件 1. To learn the usage of the modal verb “can”. 2. To use the following structures to talk about obligations: I might have to/must… Teaching Objectives Invite some of the other students to your parties. The partners give some answers. Conversation Can you come to my party Sorry, I can't. I have to look after my sister at home. 根据课本内容，完成下列句子。 1. 星期六你能来我的聚会吗？ ____ you _____ to my party on Saturday 2. 当然，我乐意去。Sure, ____ ____ ___. 3. 对不起，我必须为数学考试而学习。 Sorry, I _____ _____ ____ a math test. 4. 明天晚上你能去看电影吗？ ____ you ____ to the movies _____ night I’d love to Can come must study for Can go tomorrow 5. 当然可以，听起来很棒。 _____. That _____ _____. 6. 恐怕不行，我得了流感。 I’m _____ not. I have the ____. 7. 他能去聚会吗？ ____ he ___ to the party 8. 不能。他得帮助他的父母。 No, he _____. He _____ to help his parents. 9. 她能参加棒球比赛吗？ ____ she go to the baseball _____ Sure sounds great afraid flu Can game Can go can’t has 10. 不，她没有空。她必须去看医生。 No, she’s ____ _____. She _____ ___ to the _____. 11. 他们能去看电影吗？ ____ they ____ to the _____ 12. 不，他们没有空。他们可能必须去见朋友。 No, they’re not ____. They _____ _____ ___ meet their _____. not available must go doctor friends Can go movies free might have to Presentation Can you come to my party on Saturday Sure, I’d love to. Sorry, I must study for a math test. Can you go to the movies tomorrow night Sure. That sounds great. I’m afraid not. I have the flu. Can he go to the party No, he can’t. He has to help his parents. Can she go to the baseball game No, she’s not available. She must go to the doctor. Can they go to the movies No, they’re not free. They might have to meet their friends. 情态动词 can的用法 Grammar focus 一、词性 can是情态动词，它没有人称和数的变化，其后要接_____。can的否定形式是_____，过去式是_____，过去式的否定形式是_____。could 有时不表示can的过去式，而表示语气委婉的请求、邀请。 动词原形 can't could couldn't 二、意义及用法 1．表示能力：能，能够，会 He could swim when he was five. 他5岁时就会游泳。 —Can you drive a car 你会开车吗？ —Yes, I can./No, I can't. 是的，我会。/不，我不会。 [注意] be able to也可以表示能力。can只有一般现在时和一般过去时两种时态，而be able to则有多种时态。 I won't be able to come this afternoon. 今天下午我来不了。 2．表示允许：可以(口语中常代替may) You can stay here for a few minutes. 你可以在这儿待几分钟。 You can't take the book out of the room. 你不能把这本书拿出这个房间。 3．表示请求、邀请 —Can I use your pen 我可以用用你的钢笔吗？ —Of course you can. 当然可以。 4．can还可以表示推测，但只能用在否定句中，can't可译为“不可能”。 The man can't be Mike. I met Mike in the library ten minutes ago. 那个男人不可能是迈克。十分钟之前 ... ...
