我的公开课-情态动词课件.pptVIP

情态动词;情态动词语法目录;I can/ am able to swim. I could/ was able to climb a tree when I was a child. I will be able to swim next week. The fire spread through the hotel very quickly but everyone was able to get out. ;shall will、would ;shall ，征求对方意见。 e.g. Shall we begin our class? Shall he go now? 2. 用于提出命令、允诺，或用于法律、规定 e.g. You shall get my book on Sunday. He shall leave the house at once. The sign reads: No person shall smoke here!;will would 1. 用于向第二人称，征求对方意见。 e.g. Would you please open the door? 2. 表示个人主观意愿。 e.g. I will help you anytime. 3. used to do would表示“过去常常”； ;1. When he was there, he ___ go to that coffee shop at the corner every day. A. would B. should C. had better D. might 2. —What’s the name of the book? —Khulaifi. _________ I spell it for you? A. Shall B. Would C. Can D. Might;must need 高考真题演练 ;must 表“必须” don’t have to needn’t do don’t need to 2. must还可表示“偏偏、偏要” e.g. Must you make so much noise?;You ___ buy a gift, but you can if you want to. must B. mustn’t C. have to D. don’t have to 2. When I was young, I was told that I ______ play with fire. A. wouldnt B. neednt C. mustnt D. darent 3. - May I smoke here ? - If you __, choose a seat in the smoking area. A. should?? B. could?? C. may?? D. must ;情态动词表推测;must表示推测 1. 可能性最强，只能用于肯定句 e.g. That must be my pen. 2. must ---- 很可能 can’t ---- 不可能 e.g. That can’t be my pen. ;should / ought to表示推测 根据经验的推测，“应当、应该” e.g. You photos should be ready by 12:00. 2. 表示“竟然”，带有感情色彩。 e.g. It is strange that you should like him.;can /could 表示推测 1. 常用于否定句或疑问句。 e.g. You can’t be hungry already — you had lunch only two hours ago! 2. can用于肯定句中表示理论上的可能性，并不牵涉是否真的会发生 e.g. You can hurt yourself if you