教学ppt课件 lesson 63.ppt

Lesson 63 Revision Retell the story: What a good kind girl! may / get may / do may / ask You may/can get the present. May / Can I ask you a question? They may have a picnic on Sunday. Look and say can’t / be rainy can / skate can’t / catch It can’t be rainy now. The boy can skate on the ice. The boy can’t catch the butterfly. Look and say Read and think Guess the meaning : can ___ may ___ permission（请求） possibility（可能性） permission（请求） possibility（可能性） Usage of modal verbs: can may can: 1) 表能力 2) 表客观可能性（通常用否定） 3) 表允许（与may 意思相近）* may: 1) 表示客气的请求 2) 表示许可 3)表示一件事或许会发生 * 1. can: 1) 表能力 We can speak English well now. 2) 表客观可能性（通常用否定） The news can’t be true. 3) 表允许（与may 意思相近） Can I have a try? ＊could表比较委婉客气地提出问题或陈述看法 Could you please tell me the way to school? ＊ can 和be able to 在表能力时意思相近，但be able to 有人称和更多时态的变化。 Will you be able to come tonight? = Can you come tonight? * 2. may : 1)表示客气的请求 (1)--May I come in? --Come in, please. (2)--May I borrow your pen , please? --Certainly! (3)--May I have a piece of paper? --Of course. 2)表示许可 You may have a rest. 3) 表示一件事或许会发生 I may be a sailor when I grow up. What may happen? ＊ 用 may 提问的肯定回答一般用sure, certainly, of course, 避免用may. ＊ 否定回答一般用mustn’t , can’t , 也可以用may not. -- May I smoke here? --No, you mustn’t. * 特殊点： “can+be/get/become+adj.” 是一种惯用表达法，意为“可能会”。 _ May I smoke here? _ No, you can’t. It can be dangerous. 2. “ can not help+V.ing”为固定搭配，意为“禁不住”。 We can not help laughing. 3.may可以表示祝愿或希望。 May you both be happy!祝你们俩幸福。 Practise A: I can’t find… my geography book. my physics book. the history book. the key to my bike. B: It may be in … that bag. your desk. your room. your inside pocket. A: Ah, so it is. Language points: borrow 、 lend 、 keep b