【正文】 /may /might /could + have +過去分詞想必/可能已經(jīng)……They must have arrived by 。He may have been waiting for us for an 。⑵對(duì)此時(shí)此刻正在進(jìn)行的動(dòng)作的推測(cè)：can/could not + be doing不可能，想必不會(huì)在干某事may/might not + be doing可能沒在干某事They can’t be telling the 。⑷過去的一段時(shí)間內(nèi)一直在進(jìn)行的動(dòng)作：can’t /couldn’t/may not have been doingHe can’t have been waiting for us so 。can。I told her that she must give up had to get everything ready that to1）used to “過去常?！? 與現(xiàn)在事實(shí)相反。, could表達(dá)推測(cè)時(shí)，一般用于疑問句和否定句中；can用于肯定句中表示一種理論上的可能性，并不牽涉是否真的會(huì)發(fā)生，在這種用法中can只能與動(dòng)詞原形連用；could用于肯定句中，語氣比may/ might更弱。(2)must用于條件句或疑問句中，可以用來表示責(zé)備、抱怨的感情色彩，意思為“偏要，硬要、干嘛”。、趕到意外、驚異等意思，譯為“竟然，竟會(huì)”。它們與荷塘之景交相輝映，美不勝收 此時(shí)，我的心情興奮到極點(diǎn)，好久好久沒有看過如此美的景色了。三、教學(xué)重難點(diǎn)教學(xué)重點(diǎn): 學(xué)會(huì)運(yùn)用情態(tài)動(dòng)詞can(could), must, may，might,shall，should,ought to ,will(would),dare, need, have : 、教學(xué)方法：以講解為主，舉例分析。He must stay 。如： Can [Could] I e in? 我可以進(jìn)來嗎 “Could [Can] I use your pen? ”“Yes,of course you can.” 表推測(cè)對(duì)現(xiàn)在或?qū)淼耐茰y(cè)，兩者均可用，但can 通常只用于否定句或疑問句中，一般不用于肯定句，而could則可用于肯定句、否定句和疑問句；對(duì)過去的推測(cè)，應(yīng)在can,could之后接動(dòng)詞的完成式，且此時(shí)can仍只用于否定句或疑問句，不用于肯定句；而could 則可用于各種句型。(1)．She must / may / might arrive before :00前她一定/可能/也許到。Everymornning he will sit here and read a newspaper.(每天早上他都會(huì)坐在這兒看報(bào)紙)D．對(duì)過去情況的推測(cè)，用“情態(tài)動(dòng)詞 + have +過去分詞”。如： Would you pass me the book? B．表示意志、愿望和決心。Everyday he will sit here hour after hour doing nothing.（習(xí)慣）Will you help me with my English?（請(qǐng)求）E．表料想或猜想。t speak English before such a crowd,dare he? She dare not say what she [7] need的用法need表示“需要”或“必須”，作情態(tài)動(dòng)詞時(shí)，僅用于否定句或疑問句中，在肯定句中一般用must,haveto,ought to，或should代替。t have waited for me.[8]must 和haveto的用法，而have to則往往強(qiáng)調(diào)客觀需要。t 。如：Must I clean all the room?我一定要打掃整個(gè)房間嗎？Yes,you ,you needn’：這節(jié)課總結(jié)了主要的情態(tài)動(dòng)詞的用法，內(nèi)容較多，給大家5分鐘時(shí)間來消化下，看完后有什么疑問或是哪個(gè)詞的用法不是很清楚就提出來。should“應(yīng)該”，would“愿”，have to“被迫”表客觀。could 。）NEED可用于：)否定句含not/hardly/never/nobody等詞語。If he need e, he ，NEED不能用于肯定句。1)過去時(shí)間由一過去時(shí)間狀語表示 He need not e )過去時(shí)間由另一過去時(shí)動(dòng)詞表示。2)NEED單獨(dú)使用：NEEDN’T HAVE DONE（本條可參照SHOULDN’T HAVE DONE的用法。在肯定句、過去時(shí)和將來時(shí)的句子中，一般使用作為實(shí)義動(dòng)詞的NEED。那么接下來給大家分享一些關(guān)于英語情態(tài)動(dòng)詞用法歸納，希望對(duì)大家有所幫助。I can see with my 。如：Can the news be true? 這個(gè)消息會(huì)是真的嗎?—Can it be our teacher?那個(gè)人有可能是我們老師嗎?—No, it can’t be our is on a visit to the Great 。(2).could在疑問句中，表示委婉的語氣，此時(shí) could 沒有過去式的意思。答案：A(2).表示推測(cè)，談?wù)摽赡苄裕鉃椤?可能，或許”，一般用于肯定句中。如：He is away from might be ，可能是他生病了。如：You must stay here until I e 。(4)must表示有把握的推測(cè)，用于肯定句。用need 提問時(shí)，肯定回答為 must，否定回答為 needn’t或don’t have to。如：I need to do it right 。例如：.The door needs painting.= The door needs to be 。如：He doesn’t dare to break his 。t be at 。 might be right.(表示有可能)你可能是對(duì)的。(will 表示經(jīng)常的)(4)shall 和 should 用于表示“必定”： shall be rich one day.(shall be)總有一天我會(huì)發(fā)達(dá)的。39。 might read the story for me.(比may更婉轉(zhuǎn))是否請(qǐng)給我讀一讀這故事。 of you mustn39。Can只有一般現(xiàn)在時(shí)和一般過去式。Can I go now?Yes, you can./ No, you can’。Can this be true?This can’t be done by can this be true?二、may, might1)表示請(qǐng)求和允許。2)用于祈使句，表示祝愿。You must e in ，如果是否定的，不能用mustn’t(禁止，不準(zhǔn))，而用needn’t, don’t have to(不必).Must we hand in our exercise books today?Yes, you , you don’t have to / you needn’)must是說話人的主觀看法，而have to則強(qiáng)調(diào)客觀需要。在肯定句中一般用must, have to, ought to, should代替。而need后面只能接帶to的不定式。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