【正文】 4)情態(tài)動詞后接的不定式（除ought外）都不帶to，即接動詞原形。She must have arrived home by 。1）表示腦力或體力上的能力Nobody can stop the development of 。When the storm stopped , the plane could take ，飛機可以起飛了不得。t / can39。I could e earlier if ，我可以來早一點。現(xiàn)將各情態(tài)動詞的基本用法分述如下：can和could(could為can的過去式)的基本用法(1)表示能力，如：He can speak English better than you.(2)在疑問句和否定句中表示“懷疑”、“猜測”或“可能性”，如：Can this green bike be Liu Dong39。May you be happy！祝你幸福！(1)表示允許或征詢對方許可，有“可以”之意，如：You may use my “可以做某事”或“不可以做某事”時，一般多不用may或 may not，以避免語氣生硬或不容氣。t，因為mustn39。t do the work well that might have done it better.(3)must后接完成式的用法：表示對過去某事的推測，認(rèn)為某事在過去一定做到了，如：Liu Dong isn’t in the must have gone to the 、have to 的基本用法：have to和must的意義相近，只是 must側(cè)重表示說話人的主觀看法，而have to 則表示客觀需要注意：在這種用法中，回答以must引導(dǎo)的問句時，若是否定答復(fù)，不可以用mustn39。t have to).不，不必今天交。用于第二，三人稱的陳述句是表示說話人(并非主語)的意志或愿意，含命令，許諾，威脅等含義。(1)should作為情態(tài)動詞可以表示“建議”或“勸告”，有“應(yīng)該”之意，如：You should learn from each other.(2)should后接完成式表示過去沒有做到本來應(yīng)該做的事情，或是做了本來不應(yīng)該做的事情。t want to be hard on your daughter。3）決心（表示某事一定會發(fā)生）That day shall 。）1）表示出于職責(zé)、義務(wù)該做某事You shouldn39。The event should lead them to a even worse economic 。s care the girl should not be speaking to you ，這個女孩現(xiàn)在就不能與你說話了。當(dāng)然will 和would又都有一些各自不同的獨特用法。3）表示習(xí)慣、傾向（可譯成“總是會、老是，等”）Sometimes the cat will lie there all ，那只貓總是整個下午都躺在那兒。I will make this puter work even if I have to stay up all 。It must be that naughty boy crying 。情態(tài)動詞數(shù)量不多，但用途廣泛，主要有下列： can(could), may(might), must, need, ought to, dare(dared), shall(should), will(would).二、情態(tài)動詞的位置情態(tài)動詞在句中放在謂語動詞之前，謂語動詞前若有助動詞，則在助動詞之前，疑問句中，情態(tài)動詞放在主語之前。I39。You may take the book 。must 用來指一般現(xiàn)在時和一般將來時，過去式可用 have to 的過去式代替。He must have told my parents about 。(客觀條件必須現(xiàn)在走)You must be here on time next 。You must do it 。He had to go because of somebody?s calling him that ，因為有人叫他。Might I borrow some money now? 我可以借點錢嗎? He might be 。With the teacher?s help, I shall be able to speak English , 我將能準(zhǔn)確地講英語。We can39。We can be there on time 。對現(xiàn)在或未來的事進(jìn)行猜測時，后接動詞原形；對已經(jīng)發(fā)生的事進(jìn)行猜測時，后接have + 過去分詞。The person you mentioned would be the father , is that right ? 你說的那個人一定是爸爸了，對嗎？That would be in 1999 , I 。t let the doctor take his blood 。）I was shocked that she should have said such a thing to you.（她竟然對你說這種話，真讓我吃驚。4）用于某些從句中表示虛擬語氣The doctor insisted that the girl should be 。t be out in such an early 。should（用作情態(tài)動詞時，有時表示具體的意思，有時卻沒有意義。He shall not e into my ?！癢hatever you want you shall have , ”said the ：“你想得到什么，你就可以有什么。他竟然是我最喜愛的演員。(3)needn39。No , you needn39。s too could have answered it earlier, I am sure.(2)may, might后接完成式的用法①表示對過去某事的推測，認(rèn)為某一件事情在過去可能發(fā)生了。t(doesn39。If that is the case, we may as well 、祈求、祝愿，?？勺g為祝愿。只有情態(tài)動詞ought要和帶to的動詞不定式連用，在句中作謂語用。m afraid that we couldn39。t be so stupid to do 。A more suitable person than him for the job can not be 。）表示成功地做了某事時，只能用was/were able to，不能用could。dare , dared，另外，shall , will , should , would在一定的場合也可用作情態(tài)動詞。2）情態(tài)動詞不能在句中獨立擔(dān)當(dāng)謂語。否定句表示“不該做某事而做了”。隨時都有可能堵上。他們可能在聚會。學(xué)生們會是在睡覺。：might not, may not, should not / ought not to, won’t, couldn’t / can’t。5）推測的否定形式，疑問形式用can39。At this moment, our teacher must be correcting our exam ，我們老師想必在批改試卷。t leave here until five o39。比較：He must be staying 。⑶ needn’t have ved needn’t have ved 表示過去做了某事，但沒有做的必要，意為“本沒必要…”。復(fù)習(xí)中需要注意的幾點：肯定句中可用:must , may ,might,should 否定句式中可用can not , could not , may not ,might not , can not 語氣最強，不可能情態(tài)動詞的完成式： ⑴ 情態(tài)動詞的完成式即“情態(tài)動詞+ have + ved分詞”，表示對過去行為或動作進(jìn)行推測、評論或判斷。 not30.— Who is the girl standing over there ?— Well , if youknow , her name is Keys:15 ABCCA610 DCAAD1115 BABAB1620 ADADC2125 BCCDB2630 DAACC第四篇：情態(tài)動詞語法講稿及隨堂練習(xí)情態(tài)動詞詳解情態(tài)動詞 情態(tài)動詞表達(dá)虛擬語氣：表達(dá)“本來…”，“不然早就…”。t have 39。t have 39。t39。t6.─There were already five people in the car but they managed to take me as well.─ It______ a fortable 39?！痶 often see lights in that empty you think I _____ report it to the police? _____ at 8:30 for the meeting, but he didn’t’ show have arrive have had be arriving ______ be tiredyou39。s party?I39。 needn39。t have been39。ve told him 39。otherwise, he wouldn’t be enjoying himself by the ’’t _________ be any difficulty about passing the road test since you have practiced a lot in the driving ’’tCshouldn’’t’ve taken someone else’s green sweater by ______ Harry’ always wears could ’t to be paid for a seat, when he _________ have entered woman biologist stayed in Africa studying wild animals for 13 years before she , dear!She ________a lot of difficulties! go go through to have gone throughDmust have gone through World Wide Web is sometimes jokingly called the World Wide Wait because it _____ be very , I have cleaned the room for ________ could manage it ’t doBneedn’t have ’t ’t have done cake is very ________ a lot of sugar in have have put is never late for is he absent today?Something _________ to have happened have happenedD must have happened you know where David is ? I couldn’t find him _______ have gone farhis coat’s still ’’tC can’’t doesn’t mind lending you her ’ve already borrowed ’’’’t ________ go on the trip with us, but she isn’t quite sure ’s no light onthey ________ be at can’’’’t hope that as many people as possible _________ join us for the piic ’s the name? I spell that for you? holes ________ not be seen directly, so determining the number of them is a tough _________ have proved great adventurers, but we have done the greatest march ever made in the past ten ’ ’’t asked me to remind you of the meeting this ’t you forget it!OK, I won’’ weather turned out to be fine ______the trouble to carry my umbrella with have have takenC needn’t have ’t have taken I have a word with you, mum?Oh dear, if you 第三組題 you worked late yesterday, you ________ have e this ’’’’t it were not for the fact that she ______ sing, I would invite her to the ’’tCcan’ not workers will go on strike if the demands they _________put forward are turned ./ think I’ll give Bob a haven’t been in touch with him for toD should I smoke here?If you ____