九年级英语新目标unit5sectiona1a-2c新授课教学培训课件.ppt

Whose plate is it, Uncle Li’s or Liu Xiang’s? It must be _______’s. It can’t be _______’s. 例如： 　 Can the news be true？ 　 (在日常会话中, can可代替may表示“允许”, may比较正式) 2. could 是 can的过去式, 表示过去有过的能力和可能性, 还有怀疑和不肯定的意思(在否定和疑问句中)。 e.g. Could I speak to Mr. Smith, please? 二. Might和may的区别和用法: 1. may的用法: 　 a. 表示“允许”或“请求”。 e. g. May I come in？ e.g. 　　You might pay more attention to spoken English． 三. must与have to的区别 　 have to比较强调客观需要, must着重说明主观看法。另外have to能用于更多时态, 比较下面的句子： 　 This must be your room． 　 在回答由must引起的问题时, 如果是否定的答复，不能用mustn’t, 而需要用needn’t或don’t have to, 因为mustn’t是“一定不要”的意思。 1. Choose the best answer 1. I didn’t hear the phone. I ___ asleep. A. must be B. must have been C. should be D. should have been 2. Mary ____ be in Paris. I saw her in town only a few minutes ago. A. mustn’t B. shouldn’t C. can’t D. may not 3. Peter ____ come with us tonight, but he isn’t very sure yet. A. must B. may C. can D. will 4. I thought you ____ like something to read, so I have brought you  some books. A. may B. might C. could D. must B. must have been C. can’t B. may B. might * * * * Where is the picture on? It could / might be on … plate 盘子 Uncle Li Liu xiang -It______ be Liu Xiang’s. Because it has his name on it. -Whose exercise book is this ? must -It_____________ belong to John or Tony. Because they both play football. John Tony -Whose football is this ? might/ could -It_______ belong to Bush. Because________________________ Bush -Whose red bicycle is this ? can’t his bike is white and blue. hair band 发带 Whose hair band is it? Lily Kate Jim It might / could / must be ____’s. Because ___________. It can’t be ___________. Because __________. Use “must” to show that you think something is probably true. Use “might” or “could” to show that you think something is