【正文】 （ 2）情態(tài)動(dòng)詞 + have + done 結(jié)構(gòu)表過去推測(cè)或虛擬的用法。 As a result of the serious flood, twothirds of the buildings in the area need repairing(to be repaired.) These dishes need be cleaned carefully.(F) These dishes need to be cleaned carefully.(T) These dishes need cleaning carefully.(T) 1. The boss has given everyone a special holiday, so we go to work tomorrow. [2020 上海春 ] A. can39。 (3) 第 4題should表示義務(wù)、責(zé)任，用于各種人稱。s really fat. You ______ have given her so much food. [2020 浙江卷 ] A. wouldn39。 6) “The interest ___be divided into five parts, according to the agreement made by both sides.” declared the judge. A. may B. should C. must D. shall a. should 用于表達(dá)合理推斷 。 A. need have done B. must have done C. can have done D. might have done (2020重慶卷 )30.– I can’t find my purse anywhere。 The Jinsha Ruins may have been the political and cultural centre of the ancient Shu Kingdom. 金沙遺址可能是古代蜀國的政治和文化中心。 她們明天可能會(huì)到這里來。 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。 The door was locked. She couldn’t have been at home. ?could(不用 can)+have done,在肯定句中表示“本來能夠 … 而沒能 …” ，具有婉轉(zhuǎn)的批評(píng)和責(zé)備之意 , 1. I could have passed my exam easily, but I made too many stupid mistakes. 我本來能夠輕易通過考試，但我犯了太多不該 犯的錯(cuò)誤。如： I could read when I was four. Although the soldier was badly wounded, he was able to tell what had happened. ，只能用 was/were able to， 不能用 could。t（不必），如： They must finish the work today, needn’t they? 他們今天必須要完成這項(xiàng)工作，是嗎？ C．陳述部分含情態(tài)動(dòng)詞 mustn39。 ① 對(duì) 現(xiàn)在 動(dòng)作或存在的情況的 推測(cè) ： You must know the answer to the exercise, don39。 他們一定很有錢 They have bought a new car. They must have a lot of money. +have done 表示對(duì) 過去發(fā)生的事情 作出的肯定判斷 他們?cè)谕婊@球， 他們一定完成了作業(yè)。2020— 06— 26楊菡（河南鄧州六高中） .1 She looks very happy. She ______ have passed the exam. [2020 江蘇卷 ] I guess so. It39。 They are playing basketball, they must have finished their homework. 路是濕的。t you? 你一定知道這項(xiàng)練習(xí)的答案，是不是？ That must be your bed, isn39。t，表示 禁止 時(shí)，疑問部分就可以用 must或 may， You mustn’t stop your car here, must you? (may we?)你不能把車停在這地方，知道嗎？ 16． He must be helping the old man to water the flowers,_______?[2020陜西卷 ] A． is he B． isn’t he C． must he D． mustn’t he B 32.—Hi, Tom . Any idea where Jane is? — She _____in the classroom . I saw her there just now.[2020重慶卷 ] A. shall be B. should have been C. must be D. might have been 30. It’s the office! So you ____ know eating is not allowed here.[2020湖南卷 ] Oh, sorry. A. must B. will C. may D. need C A 1. Guess what! I have got A for my term paper. [2020 上海卷 ] Great! You ______ read widely and put a lot of work into it. A. must B. should C. must have D. should have 2. The teacher _______have thought Johnson was worth it or she wouldn39。 He was able to flee Europe before the war broke out. He was able to swim before he got tired.