【正文】 ’clock，he can’t be home ，他此時一定還未到家。At this moment，our teacher must be correcting our exam ，我們老師想必在批改試卷。4)情態(tài)動詞+動詞的現(xiàn)在完成進(jìn)行時表示對過去正在發(fā)生事情的推測。注意：could，might表示推測時不表示時態(tài)，其推測的程度不如can，may?！狶inda has gone to work，but her bicycle is still here.—She must have gone by )ought to have done sth.／should have done ，而事實上并沒有做。4)needn’t have done I dressed very warmly for the trip，but I needn’t have done weather was ，我穿的非常暖和，但我本沒有必要那么去做?！狾ught he to go?— think he ought ，命令時，語氣由 should（應(yīng)該），had better最好），must（必須）漸強。I would rather stay here than go home.=I would stay here rather than go 。Won’t you sit down?你不坐嗎? must和need相同:Yes,...,...needn39。d better not/can39。t/1）Could I borrow your dictionary?Yes,of course, , course,表示肯定的語氣,允許某人做某事時,用can和 may來表達(dá),：will 與you連用, 連用,）Shall I tell John about it?No,you 39。t 39。t 禁止、39。t won39。 I attend the meeting tomorrow?我需要明天參加會議嗎? need not hand in the paper this 。needn39。二、Dare表示“敢”，Dare作情態(tài)動詞時，主要用于疑問句、否定句和條件從句中，一般不用在肯定句中。 you dare to walk in the dark? 你敢黑夜走路嗎？ doesn39。t you dare(to)touch it!I wondered he dare(to)say needs to finish it this 的被動含義：need，want，require，worth（形容詞）后面接doing，也 可以表示被動：need doing=need to be done Shall用于第一人稱,：What shall we do this evening? 、第三人稱疑問句中,：Shall we begin our lesson? When shall he be able to leave the hospital? 、第三人稱,表示說話人給對方命令、警告、：You shall fail if you don39。m not asking you for it.（04江蘇）(D)39。t 39。ve taken someone else39。ve already borrowed one.（05湖南卷）(C)39。t more I think about him, the more reasons I find for loving him ___ I did.（05湖南卷）(A) much long soon far as31.— Tom is never late for is he absent today?— Something ________ to him.(05江西卷)(D)A．must happenC．could have happened B．should have happened D．must have happened, look at the you play the piano at such a late hour?（05全國卷3）(B)A．Must B．Can C．May D．Need, youleave all your clothes on the floor like this!（05全國卷1）(B)A．wouldn’tB．mustn’tC．needn’tD．may not _________ be any difficulty about passing the road test since you have practiced a lot in the driving school.（05上海卷）(C)’’t ’t ’t World Wide Web is sometimes jokingly called the World Wide Wait because it_________be very slow.（05浙江卷）(D)A．should B．mustC．willD．can was on the highway when this car went past followed by a police ____ at least 150kilometers an hour.（05重慶卷）(B) have been have been doing have have done _______have been more than six years old when the accident happened.（05天津卷）(B)39。t ______ go on the trip with us, but she isn’t quite sure yet.（05安徽卷）(C) cake is very __________ a lot of sugar in it.（05遼寧卷）(D)A．should put B．could have put C．might put D．must have put woman biologist stayed in Africa studying wild animals for 13 years before she, dear!She _______ a lot of difficulties!(05江蘇卷)(D) go go through to have gone have gone through have lost one of my ________ it somewhere.（05北京春季）（B） drop have dropped be dropping have been dropped第五篇：情態(tài)動詞專項情態(tài)動詞專項①（表能力）能…，會…She can drive, but she can’t ride a puter can’t think for itself.(不會思考)②（可能，許可）能夠…，可以…The noise outside has stopped , now I can get down to my I use your telephone?Yes, of course, you can go out to play when you do away with your homework.③有時會…，偶爾…，The climate of East China can be pretty cold in can be harmful for the experienced teachers can make could be rather cold in summer while I stayed there.④（表溫和的命令）請做…，得…I’ll do the cooking, and you can do the washing.（請你去洗衣服）You can go now.⑤（表示猜測）可能…Can he be working till so late?Who can it be at this time of day?Can it be Tom? No, it can’t be is busy these days, so he can’t e 與be able to 的區(qū)別：The fire spread through the hotel very quickly, but everyone was able to get out.(強調(diào)設(shè)法干成某事)?用于一三人稱的問句中，表示征求對方的意見Shall I shut the window? Yes, she go to the concert with us this evening?Shall they e in?Shall we go out for a walk??用于二三人稱，表示命令，允諾，警告，威脅，強制①You shall go to the front at once.(命令)②Don’t shall get the answer this afternoon.（允諾）③I promise she shall get a nice present on her birthday.（允諾）④He shall be ⑤You shall listen to me.(命令)⑥The interest(利益利潤)shall be divided into five parts, according to the agreement made by both sides.(命令法規(guī))⑦It has been announced that candidates(候選人)shall remain in their seats until all the papers have been collected.（表按規(guī)定）?必須I must keep my must get up much earlier.?不必needn’t/don’t have toMust I wash the dishes at once?No, you needn’t./don’t have to.?mustn’t 禁止，不許You mustn’t play with the mustn’t be parked I use your pen?No, you mustn’t?（表必然性）必定Everyone must die.?（表固執(zhí)，不滿等）偏要硬要Our thereyearold boy must do the opposite to what we when I was busy, the neighbor must e and must you be so stubborn(倔強的)?If you must know, I’m going to help him look for an ? 應(yīng)該You should apologize to should attend the meeting.?（表預(yù)期）按理會…，想必會…，一定會…The concert should be great photos should be ready by 12: old man is always hunting the lions, so terrible things should happen to him.?（表驚訝，遺憾）竟然居然I’m glad that your story should speak in such a wonder that a person like him should make such a ’s a pity that he should resign.?（用于條件狀語從句中）一旦，萬一If she should know the truth, she would be you should change your mind, let us him to call me up if you should see him.?（用于lest, for fear that, in case引導(dǎo)的句子）以免，唯恐She gave me a list just in case I should forget what to ran away lest he should be gets up early for fear that he should miss ①(表過去的習(xí)慣行為)常常經(jīng)常When I was a child, I would often go would stay up all night talking about our morninghe would go for a he was here, he would go to that coffee shop at the corner after work to do sth過去常常I use to be a waiter, but now a taxi used to be a cinema here before the country isn’t what it used to be.②（表示說話者的厭煩焦躁）老是偏要That’s exactly like would e to me just when I was busy.(老是在我忙碌時來找我)I told him not to go, but he would not listen.（可他偏不聽）③（用于if 從句）愿意樂意If you would go there instead of me, I should be very ，我會很