2012届高考英语总复习 4·can't与 mustn't can't表示“不能”,是指无能力; mustn表示“不能”, 指的是“禁止,不允许”°在口语里,can't也可表示“禁 止,不允许”,但语气不如 mustn't强。例如: He is so young that he can 't go to school. There's a meeting inside. You mustn't make any noise. MYKONGLONG
2012届高考英语总复习 4.can't 与 mustn't can't 表示“不能” ,是指无能力;mustn't 表示“不能” , 指的是“禁止,不允许” 。在口语里,can't 也可表示“禁 止,不允许” ,但语气不如 mustn't 强。例如: He is so young that he can't go to school. There's a meeting inside.You mustn't make any noise
2012届高考英语总复习 5·can和may 考试中主要测试can,may或coud, might,表示可能性的 区别及对may构成的疑问句的回答。 (1)can, could,may, might都可以表示可能性。can, could表示潜在的可能性或理论上或逻辑判断上存在的可能 性;而may, might,则表示事实上的可能性。此外,can, could还有“有能力”的意思,而may与migh不具有此意。 例如: According to the weather forecast it may rain tomorrow. Any man with a little sense can see that he is wrong. MYKONGLONG
2012届高考英语总复习 5.can 和 may 考试中主要测试can,may 或 could,might,表示可能性的 区别及对 may 构成的疑问句的回答。 (1)can,could,may,might 都可以表示可能性。can, could 表示潜在的可能性或理论上或逻辑判断上存在的可能 性;而 may,might,则表示事实上的可能性。此外,can, could 还有“有能力”的意思,而may与 might 不具有此意。 例如: According to the weather forecast,it may rain tomorrow. Any man with a little sense can see that he is wrong
2012届高考英语总复习 (2) May l/we?这一类疑问句的肯定回答为Yes, please.或 Certainl;否定回答为 Please don't或No, you mustn't例 如 May we leave now?”“No, you mustn" t You haven't finished your homework yet. MYKONGLONG
2012届高考英语总复习 (2)May I/we...?这一类疑问句的肯定回答为Yes,please.或 Certainly;否定回答为 Please don't.或 No,you mustn't.例 如: “May we leave now?”“No,you mustn't.You haven't finished your homework yet
2012届高考英语总复习 6·情态动词+动词完成式 情态动词+动词完成式即“情态动词+have+done”,表示 对过去的行为或动作进行推测、评论或判断 (1)must have done must have done表示对过去某事的肯定猜测。其否定或疑问 形式都用can( could)来表示。例如 Since the road is wet it must have rained last night. He can't have missed the way. I drew him a map. MYKONGLONG
2012届高考英语总复习 6.情态动词+动词完成式 情态动词+动词完成式即“情态动词+have+done”,表示 对过去的行为或动作进行推测、评论或判断。 (1)must have done must have done 表示对过去某事的肯定猜测。其否定或疑问 形式都用 can(could)来表示。例如: Since the road is wet,it must have rained last night. He can't have missed the way.I drew him a map
2012届高考英语总复习 The dictionary has disappeared who could have taken it 当然对现在发生或将来发生的事情,要用 must do表示猜测 否定式为 can't do He must understand that we mean business You must be hungry after a long walk. MYKONGLONG
2012届高考英语总复习 The dictionary has disappeared.Who could have taken it? 当然对现在发生或将来发生的事情,要用 must do 表示猜测, 否定式为 can't do。 He must understand that we mean business. You must be hungry after a long walk