【正文】 比較 委婉 , 一般多用于 疑問句 . * can, may 表達的語言比較隨便 . * 在以 could, might 表示 征詢對方意見 或 表示請求 時，回答應相應使用 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山東卷 ] 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遼寧卷 ] A can B must C need D might (2020江西卷 )26. What a pity. Considering his ability and experience, he ____ better。（但沒有這樣） 4） May 表示許可 ， 表示允許別人做某事 ， 也可征求對方的許可 。 might not have told her. 你本可以不告訴他的。 ?+have done表示“本來可能 …” ，但實際上沒有發(fā)生的事。 She might have been hit by a car or motocycle. 她可能是被一輛小氣車或摩托車撞了。 I asked him if I might leave. I asked him “May I leave now?” +have done May/might have done sth表示對過去的可能性推測“過去可能做了某事”其程度小于must have done sth。 他也許在作功課吧。 They may e here tomorrow. 他們可能還在等我們呢。 Keys： ， may/might ，只能用于陳述句，表示對現(xiàn)在或將來要發(fā)生的動作把握不大。t in my bag. Where I have put it? [2020 福建卷 ] A. can B. must C. should D. would 【 知識點歸納 】 (1)第 1題 can 表示能力“能，會”。t 39。t B. can39。 must B. need C. can D. would (2020山東卷 )24. Thank you for all your hard work last week. I don’t think we ______ it without you。 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. shall B. should C. can 可能性 D. must (2020陜西卷 )9. –What sort of house do you want to have? Something big? Well, it _________ be bigthat’s not important。 could have reported to me earlier. 你本該早點告訴我的。 I saw him just now so he couldn’t have gone abroad. 門是鎖著的， 所以她不可能在家。 She couldn’t be telling lies. 在疑問句中 Could 比 can 更有禮貌，在此不是 can的過去式。 It’s so late. Can Tom be reading? Can it be Mr. Green? 這個人不可能是瑪麗， 她生病了。 He was able to flee Europe before the war broke out. He was able to swim before he got tired. 表示過去的能力 *was / were able to : “設法做成某事” 相當于 managed to do sth. succeeded in doing sth.。 could用于表示泛指過去的能力。 Keys： ， ， ， C C can, could 和 be able to的用法 She can/be able to sing the song in English. This machine can make you feel fortable. , be able to都可 表示“能力” Can的主語是人或物 ,be able to的主語是人 We’ll be able to finish the work soon. I haven’t been able to see the film. (could)。s not difficult after all. A. should B. could C. must D. might 4. In crowded places like airports and railway stations, you_______ take care of your luggage. [2020 北京卷 ] A. can B. may C. must D. will 【 知識點歸納 】 (1) 第 3題都是考查 mu