【正文】 。to be done by somebody) need(doing。應(yīng)當(dāng)1)You oughtn39。t won39。would 表示過(guò)去時(shí)間的 意志、意愿、......。用would語(yǔ)氣更加婉轉(zhuǎn)。t we we 39。t he he 39。t not 1)在疑問(wèn)句中, 用于第一、三人稱表示說(shuō)話人征求對(duì)方的意見(jiàn)或向?qū)Ψ秸?qǐng)求。t.)4)I39。t.(Yes, you may.)2)Might I make a suggestion?Yes, you 1).表示必須要做的事: 必須2)表示很有把握的推斷: 一定, 準(zhǔn)是。表示某事有可能發(fā)生。t can39。2).表示允許、可能性。t , need not : needn39。情態(tài)動(dòng)詞在近五年高考中主要考查四點(diǎn)：情態(tài)動(dòng)詞表示推測(cè)和可能性的用法；情態(tài)動(dòng)詞與虛擬語(yǔ)氣；情態(tài)動(dòng)詞的表達(dá)“情感、態(tài)度、語(yǔ)氣等”，情態(tài)動(dòng)詞表示 “必要性”等方面的用法。以 must 為例： must be hungry now, aren’t you? must be watching TV , isn’t he ? Tom must have lived her for a long time, hasn’t he ? must have arrived yesterday, didn’t she?注：如選擇題中（以She must have arrived yesterday, didn’t she？為例）既有didn’t she又有hasn’t she則以didn’t she？為最佳答案第二篇：情態(tài)動(dòng)詞教案情態(tài)動(dòng)詞教案Teaching Aims 【教學(xué)目標(biāo)】 Aims（知識(shí)目標(biāo)）, may, must, need, should…的含義和特點(diǎn)； 。He could have finished the task on time, but the heavy snow ).couldn’t +have + PP表示本來(lái)不能做到，但已經(jīng)做到了。I used to play cards a lot, but now I seldom My hometown is not what it used to ，有明確的時(shí)間狀語(yǔ)I would go to see my grandfather on Sunday when he was in the middle 后只接表動(dòng)作的動(dòng)詞，不接表認(rèn)識(shí)或狀態(tài)動(dòng)詞He used to be nervous in the ：When we were very young, we used to / would go skating every ，不能使用：(√）We went to the Great Wall five times when we were young.(X)We used to go / would go to the Great Wall five times when we were ：used to do的否定式：usedn’t to do 或didn’t use to do(usedn’t也可寫(xiě)作usen’t)疑問(wèn)式： Did you use to do ? Didn’t you use to do?Used you to do? Usedn’t you to do?情態(tài)動(dòng)詞表推測(cè)情態(tài)動(dòng)詞表推測(cè)的意義：大多數(shù)情態(tài)動(dòng)詞（除表‘能力、許可、意志’外），都可以表示推測(cè)，其程度有差異。Everything shall be done to save the 。He told me I must do according to what he said.（客觀需要）不得不，有多種時(shí)態(tài)。情態(tài)動(dòng)詞各自的基本意義及用法一、can 與could用法對(duì)比表對(duì)比點(diǎn) can could表“能力” Can you lift this heavy box? I couldn’t understand what he said at 、表“許可” You can use a different material said I could borrow his 、“懷疑” No, no, it can’t be on earth can this mean? We thought the story could not be could you be so careless?can與be able to 區(qū)別 can，表示語(yǔ)氣更為婉轉(zhuǎn)。第一篇：情態(tài)動(dòng)詞只有情態(tài)意義情態(tài)動(dòng)詞只有情態(tài)意義，即它所表示的是說(shuō)話人對(duì)動(dòng)作的觀點(diǎn)，如需要、可能、意愿或懷疑等。，情態(tài)動(dòng)詞與助動(dòng)詞一樣，須后接動(dòng)詞原形。May you succeed!(might)用于目的狀語(yǔ)從句中 肯定：Yes, you ：No, you mustn’t 不行（語(yǔ)氣強(qiáng)硬）No, you may not 或No, you’d better emperor gave them some gold in order that they might begin their work at 、must與have to的用法對(duì)比表對(duì)比點(diǎn) must have to1．表“必須”（主觀看法）必須；沒(méi)有過(guò)去式，可用于間接引語(yǔ)中。You shall do what I tell you(to do).我叫你干什么你就干什么。七：used to與would用法對(duì)比表used to would、狀態(tài)，重在與現(xiàn)在情況的對(duì)比，不一定要有時(shí)間狀語(yǔ)。I don’t know 之類，常選may /might的各種形式1).could + have + PP表示本來(lái)能做到，但事實(shí)上沒(méi)有做到。You oughtn’t to / shouldn’t have taken her bike without ：must只能用于肯定句（它的否定句和疑問(wèn)句其實(shí)就用can來(lái)代替了） + have + PP 表示對(duì)過(guò)去肯定的推測(cè)，譯為“一定是，準(zhǔn)是” The road is must have rained + have + PP 表示對(duì)過(guò)去的推測(cè)（限于問(wèn)句中）Can she have said so? 他可能這樣說(shuō)嗎？’t + have + PP 表示對(duì)過(guò)去的否定推測(cè) He cannot have said such a foolish 情態(tài)動(dòng)詞表推測(cè)的反意疑問(wèn)句，簡(jiǎn)單來(lái)說(shuō)，就是以情態(tài)動(dòng)詞后的時(shí)態(tài)為淮，如句子里有明確的時(shí)間狀語(yǔ)，則以其為準(zhǔn)。Teaching Methods(教學(xué)方法)Selflearning，cooperation and discussion自學(xué)（獨(dú)學(xué)、對(duì)學(xué)、群學(xué)）、合作、討論Teaching Process(教學(xué)過(guò)程)Preparation and Selflearning 【自主學(xué)習(xí)、為新課奠基】Complete the following tasks.（A級(jí) 識(shí)記類）（C層學(xué)生展示，B、A層學(xué)生補(bǔ)充）一、何謂“情態(tài)動(dòng)詞”？情態(tài)動(dòng)詞主要用來(lái)表示說(shuō)話人的情感、態(tài)度等，是中學(xué)英語(yǔ)語(yǔ)法的重點(diǎn)，也是高考的熱點(diǎn)，是單項(xiàng)填空必考的一個(gè)知識(shí)點(diǎn)。t , must not: mustn39。can 1).表示體力或腦力方面的能力。1)The fire spread through the hotel very quickly but everyone ____ get to able to 2)Will you stay for lunch?Sorry, brother is ing to see mustn39。t 表示詢問(wèn)或說(shuō)明一件事可不可做。1)May I take this book out of the readingroom?No, you mustn39。clock?Yes, you must.(No, you needn39。t 39。t.)2)You shall have the English book as soon as I finish )Everything that he owns shall be taken away from )Your brother seldom es to see you, ____? he 39。s go fishing, ____? 39。s )You should study the article , would 1)在疑問(wèn)句中用于第二人稱,表示說(shuō)話人向?qū)Ψ教岢稣?qǐng)求或詢問(wèn)。3)will 用于各種人稱, 表示 意志、意愿、決心、允諾。t.)(2)Would you tell us something about yourself?Yes, I will.(3) don39。t to 應(yīng)該。t know whether he ____ allowed 1).作為情態(tài)動(dòng)詞:必須 2).作為實(shí)義動(dòng)詞: 需要 need(to do something。)This farm tool needs farm tool needs to be )Shall I tell John about it ?No, you 39。t 39。t 39。情態(tài)動(dòng)詞無(wú)論是表達(dá)“推測(cè)和可能性”，還是表達(dá)“虛擬”這一概念，只要是對(duì)過(guò)去已經(jīng)發(fā)生的事情進(jìn)行描述，一律用“情態(tài)動(dòng)詞+have done”這一結(jié)構(gòu)；對(duì)現(xiàn)在或?qū)?lái)的事情進(jìn)行描述，用“情態(tài)動(dòng)詞+動(dòng)詞或系動(dòng)詞原形”。must have done意為：一定做過(guò)某事或某事肯定發(fā)生了?！敬鸢浮緾 ②There _________ be any difficulty about passing the road test since you have practiced a lot in the driving ’t’t’t’t 【解析】句意：既然你在駕校進(jìn)行了大量訓(xùn)練，那么通過(guò)道路測(cè)試按理不應(yīng)該有困難。例如：① Liza ___ well not want to go on the tripshe hates 【解析】may well為固定搭配，意為：很可能，極有可能。例如：—I’m _________at you the other day.—Forget was a bit out of control ’t shout’t have shouted ’t shout’t have shouted 【解析】對(duì)不起，我那天本不應(yīng)該對(duì)你大喊大叫的。要注意needn’t do則表達(dá)“沒(méi)有必要去做某事”，時(shí)間上應(yīng)該是現(xiàn)在或?qū)?lái)。常用于虛擬條件句或含蓄虛擬條件引導(dǎo)的虛擬語(yǔ)氣，表示對(duì)過(guò)去所發(fā)生事情結(jié)果的假設(shè)?！敬鸢浮緿（三）表達(dá)“情感、態(tài)度、語(yǔ)氣” 等方面的情態(tài)動(dòng)詞 “情感、態(tài)度、語(yǔ)氣”主要有以下用法：(1)表示主觀的義務(wù)和必要，主要用于肯定句和疑問(wèn)句，意思為“必須??，得??，要??”；由must引起的疑問(wèn)句，肯定回答要用must或have to，否定回答要用needn’t或don’t have to,意思是“不必”。s not 39。t【解析】Something big?此處意為：Must it be big? 回答者的意思是：房子不必太大—那并不重要。t39。例如： ①—May I smoke here ? —If you ____, choose a seat in the smoking ②John, look at the you play the piano at such a late hour? A．MustB．CanC．MayD．Need 【解析】must在這兩道試題中均表示“非得，偏要”。這時(shí)可省略if，將should提到句首，變?yōu)榈寡b句式。例如：You can’t imagine that a wellbehaved gentleman _____ be so rude to a 【解析】句意：你想象不到這么一個(gè)表現(xiàn)良好的紳士竟然會(huì)對(duì)一個(gè)女士這么粗魯?！敬鸢浮緼(3)shall也用于宣布法律、規(guī)定的要求。例如： —Mum, I’ve been studying English since 8 o’ go out and play with Tom for a while? —No, I’m afraid , it’s raining outside ’t’t’t 【答案】A(3)can可以表達(dá)一般的或永久的能力?！敬鸢浮緿(2)would表示過(guò)去傾向性或習(xí)慣性的動(dòng)作。在近年高考題中，對(duì)情態(tài)動(dòng)詞的考查幾乎每年都有縱觀近幾年的高考題可以看出，高考對(duì)情態(tài)動(dòng)詞的考查熱點(diǎn)依次是：（1）推測(cè)和可能性；（2）“情態(tài)動(dòng)詞+have done”結(jié)構(gòu)表示猜測(cè)或表示虛擬語(yǔ)氣；（3）shall, should, can, must表示特定語(yǔ)氣。因而在復(fù)習(xí)中應(yīng)引起高度重視，且依筆者之見(jiàn)，來(lái)年高考中對(duì)情態(tài)動(dòng)詞考查的可能性依然非常大。即沒(méi)有不定式，分詞等形式。2)只用be able to中情況： 位于助動(dòng)詞后； 情態(tài)動(dòng)詞后；表示過(guò)去某時(shí)刻動(dòng)作時(shí)； 用于句首表示條件；表示成功地做了某事時(shí)，只能用was/were able to，不能用could。—Could I have the television on? —Yes，you can./No，you can’ couldn’t be a bad 。只是可能性比may 小。My brother was very ill，so I had to call the doctor in the middle of the ，我只得半夜里把醫(yī)生請(qǐng)來(lái)。3)在否定結(jié)構(gòu)中：don’t have to 表示“不必”（可以不可以都行）；mustn’t表示“禁止” You don’t have to tell him about 。You have worked hard all must be ，一定累了。3)must 表示對(duì)已發(fā)生的事情的推測(cè)時(shí)，must 要接完成式。If Tom didn’t leave here until five o’clo