【正文】 one sth表示過去本應(yīng)該做某事卻沒有做。 —Fet it. I was a bit out of control myself。 （你買了） need作實(shí)義動(dòng)詞后面跟 ing形式，用主動(dòng)式表被動(dòng)，相當(dāng)于 need to be done。t D. shouldn39。 Keys： ， 高考試題對(duì)情態(tài)動(dòng)詞的考查熱點(diǎn)有： （ 1）情態(tài)動(dòng)詞 must + do表義務(wù)命令等的用法。 （ 5） need作情態(tài)動(dòng)詞和實(shí)義動(dòng)詞的用法。 （ 3） shall表推測、命令或指示、義務(wù)或規(guī)定、意圖或允諾的用法。t 表示沒有必要。t B. mustn39。 Keys： 注意對(duì) need問句的回答 : Need I finish the work today? Yes, ________________. No, ________________. No, ________________. you must you needn’t you don’t have to needn’t 對(duì)其它情態(tài)動(dòng)詞的回答 : Shall I tell John about it? No, you __________. Must we do it now? No, you __________. needn’t (don’t have to) needn’t (don’t have to) ?needn’t +have done表示做了本來不必去做的事。 Keys： ， ， ， 2020上海卷 )29. According to the air traffic rules, you ___ switch off your mobile phone before boarding。t you be doing C. Couldn39。t B. couldn39。 You should/ought to have told her the truth earlier. She shouldn’t have left without saying a word. 批評(píng) ,意為“本應(yīng)該做到 … 但沒有做到 …”, 用于否定則表示“本不該 … 但” ought to的語氣更強(qiáng)烈 . 情態(tài)動(dòng)詞： shall, will 的多種意義 : shall / will+ 動(dòng)詞原形 : * shall 可表示必須、命令、 警告或征詢意見 . * will 可 表示意愿、常出現(xiàn)的動(dòng)作、在疑問句 中表示請(qǐng)求和建議 . * 均可表示將來。 It is three o’clock, the football game should begin now. Mary took dancing lessons for years, she should be an excellent dancer. 2. should 的用法 注意： should可表示“居然，竟然”。 Keys： 1. D Will /Would you do…? ( 表請(qǐng)求 would 更委婉 ) 表意志，愿望，決心 would表過去反復(fù)發(fā)生得動(dòng)作或某種傾向 “總是 ,總要” used to表過去常常（現(xiàn)在已沒有這種習(xí)慣） “過去常?！? used to 可于狀態(tài)動(dòng)詞連用 would不可以 eg. He used to be a quiet boy. ( ) He would be a quiet boy. ( ) √ will/would 3. John promised his doctor he ________ not smoke, and he has smoked ever since.[2020北京 ] A. might B. should C. could D. would. 35. But for the help of my English teacher, Ithe first prize in the English Writing Competition[2020福建卷 .] A. would not win B. would not have won C. would win D. would have won D B Shall/should 用于第二、三人稱陳述句中，表示說話人給對(duì)方的命令，警告，允諾或威脅。 You __ have lost it while shopping。（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(duì)方的許可 。 ?+have done表示“本來可能 …” ，但實(shí)際上沒有發(fā)生的事。 I asked him if I might leave. I asked him “May I leave now?” +have done May/might have done sth表示對(duì)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。 They may e here tomorrow. 他們可能還在等我們呢。t in my bag. Where I have put it? [2020 福建卷 ] A. can B. must C. should D. would 【 知識(shí)點(diǎn)歸納 】 (1)第 1題 can 表示能力“能，會(huì)”。t B. can39。 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。 could have reported to me earlier. 你本該早點(diǎn)告訴我的。 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。 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 / w