高三英语情态动词用法

高三英语情态动词用法内容摘要：

D. needn’t C B (2020天津卷 )6. She ______ have left school, for her bike is still here。 A. can’t B. wouldn’t C. shouldn’t D. needn’t (2020福建卷 )24. It is usually warm in my hometown in March, but it _____ be rather cold sometime。 A. must B. can C. should D. would A B (2020湖南卷 )28. You don’t have to know the name of the author to find a book. You _____ find the book by the title。 must B. need C. can D. would (2020山东卷 )24. Thank you for all your hard work last week. I don’t think we ______ it without you。 A. can manage B. could have managed C. could manage D. can have managed C B 3. 考例： 1. The biggest problem for most plants, which ________ just get up and run away when threatened, is that animals like to eat them. [2020 湖南卷 ] A. shan39。 t B. can39。 t C. needn39。 t 39。 t 2. My MP4 player isn39。 t in my bag. Where I have put it? [2020 福建卷 ] A. can B. must C. should D. would 【 知识点归纳 】 (1)第 1题 can 表示能力“能，会”。 (2) can/could have done 意思是“过去可能做过某事”常用于疑问句。 Keys： ， may/might ，只能用于陈述句，表示对现在或将来要发生的动作把握不大。 她们明天可能会到这里来。 They may e here tomorrow. 他们可能还在等我们呢。 They may be still waiting for us. 可用于 指过去的行为或者表示可能性更小。 他也许在作功课吧。 He might be doing his homework now. 我问他我是否可以离开。 I asked him if I might leave. I asked him “May I leave now?” +have done May/might have done sth表示对过去的可能性推测“过去可能做了某事”其程度小于must have done sth。 不用于疑问句。 She might have been hit by a car or motocycle. 她可能是被一辆小气车或摩托车撞了。 The Jinsha Ruins may have been the political and cultural centre of the ancient Shu Kingdom. 金沙遗址可能是古代蜀国的政治和文化中心。 +have done表示“本来可能 …” ，但实际上没有发生的事。 另外，还可表示“本来应该或可以做某事”之意，含有轻微的责备语气。 might not have told her. 你本可以不告诉他的。 （事实上你告诉他了） 2. You might have e earlier. 你本可以早点来的。 （但没有这样） 4） May 表示许可 ， 表示允许别人做某事 ， 也可征求对方的许可。 May I open the door? We may keep the book for two weeks. 5） 用于祈使句 ， 表示祝愿。 May you succeed! May you have a nice trip! May you enjoy happiness in this earthly world! 表示许可 : may / might, can / could * might, could 比较 委婉 , 一般多用于 疑问句 . * can, may 表达的语言比较随便 . * 在以 could, might 表示 征询对方意见 或 表示请求 时，回答应相应使用 can, may. 5. — Could I borrow your dictionary? — Yes, of course you _______. A. might B. will C. can D. should 6. — Might I watch TV after supper? — Yes, you ________. A. may B. must C. might D. can C A 5. — Could I borrow your dictionary? — Yes, of course you _______. A. might B. will C. can D. should 6. — Might I watch TV after supper? — Yes, you ________. A. may B. must C. might D. can C A 29． Some people who don’t like to talk much are not necessarily shy； they B just be quiet people． [2020山东卷 ] A． must B． may C． should D． would 29. The traffic is heavy these days. I D arrive a bit late, so could you save me a place?[2020辽宁卷 ] A can B must C need D might (2020江西卷 )26. What a pity. Considering his ability and experience, he ____ better。 A. need have done B. must have done C. can have done D. might have done (。