Scott 情态动词课件.ppt

策划：《学生双语报》 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. 高考真题演练 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 高考真题演练 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 play in the street. may/ might表示推测 1. can not 不可能 may not 可能不 2. may well “极有可能” e.