【正文】 標(biāo)） the students to cooperate with others and enable them to formulategrammatical learning, motivate the students 39。inspiration and take an active part in the course of the Aims（情感目標(biāo)）Build up the student’s Importance and Difficulties 【教學(xué)重點和難點】； 。Teaching Methods(教學(xué)方法)Selflearning，cooperation and discussion自學(xué)（獨學(xué)、對學(xué)、群學(xué)）、合作、討論Teaching Process(教學(xué)過程)Preparation and Selflearning 【自主學(xué)習(xí)、為新課奠基】Complete the following tasks.（A級 識記類）（C層學(xué)生展示，B、A層學(xué)生補(bǔ)充）一、何謂“情態(tài)動詞”？情態(tài)動詞主要用來表示說話人的情感、態(tài)度等，是中學(xué)英語語法的重點，也是高考的熱點，是單項填空必考的一個知識點。情態(tài)動詞在近五年高考中主要考查四點：情態(tài)動詞表示推測和可能性的用法；情態(tài)動詞與虛擬語氣；情態(tài)動詞的表達(dá)“情感、態(tài)度、語氣等”，情態(tài)動詞表示 “必要性”等方面的用法。二、情態(tài)動詞的特點 。: → would , can → could , may→ might , dare → dared三、情態(tài)動詞的否定形式情態(tài)動詞+ not +動詞原形can not: can39。t , must not: mustn39。t , need not : needn39。t Cooperation and Discussion 【合作探究、討論解疑】Reading知識問題化、問題層次化，提高閱讀能力?。˙級 理解類）（B、C層學(xué)生展示，A層學(xué)生補(bǔ)充）四、情態(tài)動詞的用法及相互間的區(qū)別（注意：這是?？嫉目键c） , be able to be able to 表示經(jīng)過努力后, 能夠做到。be able to 有多種形式的變化。can 1).表示體力或腦力方面的能力。2).表示允許、可能性。could 是can的過去式, 表示過去有能力及過去存在的可能性。用于疑問句表示委婉地提出問題。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 can39。t needn39。t won39。t 表示詢問或說明一件事可不可做。表示某事有可能發(fā)生。might是may的過去式。用在疑問中比may委婉、客氣。1)May I take this book out of the readingroom?No, you mustn39。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。have(has)to : have(has)got to 必須, 不得不。過去式: had to 3)Must I get to the station before three o39。clock?Yes, you must.(No, you needn39。t.)4)I39。m afraid you will have to wait a )She must be in the classroom )Mary ____ be in Paris, I saw her in town only a few minutes 39。t 39。t 39。t not 1)在疑問句中, 用于第一、三人稱表示說話人征求對方的意見或向?qū)Ψ秸埱蟆?)用于二、三人稱,表示說話人給對方的 命令、警告、允諾等概念。1)Yes, please.(No, please don39。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。t he he 39。t he 5)It39。s a fine 39。s go fishing, ____? 39。t we we 39。t we we 應(yīng)該。應(yīng)當(dāng)1)You should listen to the doctor39。s )You should study the article , would 1)在疑問句中用于第二人稱,表示說話人向?qū)Ψ教岢稣埱蠡蛟儐?。用would語氣更加婉轉(zhuǎn)。2)will 表示現(xiàn)在的習(xí)慣性動作或狀態(tài)。would 表示過去的習(xí)慣性動作或狀態(tài)。3)will 用于各種人稱, 表示 意志、意愿、決心、允諾。would 表示過去時間的 意志、意愿、......。(1)Don39。t smoke in the meeting room, ___ you? you you youWill you e with me?Yes, I will.(I am sorry , I can39。t.)(2)Would you tell us something about yourself?Yes, I will.(3) don39。t won39。t can39。t haven39。t to 應(yīng)該。應(yīng)當(dāng)1)You oughtn39。t to smoke too )She ____ for what she has to praise be praised to have praised to be praised to e e 1)He dare not tell the )He doesn39。t dare to e out at )I don39。t know whether he ____ allowed 1).作為情態(tài)動詞:必須 2).作為實義動詞: 需要 need(to do something。to be done by somebody) need(doing。to be done)1)Do they need to take any books with them?No, they don39。t need )Need we buy any new equipment?No, we needn39。)This farm tool needs farm tool needs to be )Shall I tell John about it ?No, you 39。ve told him 39。t 39。t 39。t 39。t 5)It39。s a fine ____ take a raincoat with 39。t 39。t 39。t not [★★★]五、情態(tài)動詞的解題例析(1)認(rèn)真審題，結(jié)合所給出的語境，正確把握說話者的語氣、情感、態(tài)度、觀點等。(2)認(rèn)真思考所給選項中情態(tài)動詞的基本特征和用法，并結(jié)合語境推敲答案。(3)要注意把握時間概念。情態(tài)動詞無論是表達(dá)“推測和可能性”，還是表達(dá)“虛擬”這一概念，只要是對過去已經(jīng)發(fā)生的事情進(jìn)行描述，一律用“情態(tài)動詞+have done”這一結(jié)構(gòu)；對現(xiàn)在或?qū)淼氖虑檫M(jìn)行描述，用“情態(tài)動詞+動詞或系動詞原形”。例如：（NMET2008山東，24）Thank you for all your hard work last don’t think we ______ it without manage have managed manage have managed 根據(jù)題干中所給出的時間last week可知我們已經(jīng)做完了工作，已經(jīng)完成，故排除A、C兩項，再結(jié)合could have done表示虛擬語氣以及與前面的I don’t think…，故說話者想表達(dá)的意思是：離開了你，我們本不可能完成這項工作。故答案為B項。Expansion and Improvement【知識拓展、能力提升】（D級 拓展類）（C、B層學(xué)生展示，A層學(xué)生補(bǔ)充）★下面我們來看看?？嫉囊恍┣閼B(tài)動詞★以下試題均來源于往年的高考試題，具有很強(qiáng)的針對性(1)must表示推測，意為“一定??”，只能用于肯定句中。must have done意為：一定做過某事或某事肯定發(fā)生了。例如：—She looks very ______ have passed the exam.—I guess ’s not difficult after 【解析】句意為：她看上去很高興，一定是通過了考試?！敬鸢浮緾(2)should(not)/ ought(not)to在中表示根據(jù)常規(guī)或常識推測，表示“某事應(yīng)該或不應(yīng)該發(fā)生”，語氣比must或can’t / couldn’t稍弱。例如：—How’s your tour around the North Lake? Is it beautiful? —It ________ be, but it is now heavily 【解析】should此處表示推測，意為“應(yīng)該”。【答案】C 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，那么通過道路測試按理不應(yīng)該有困難。【答案】C(3)can, could表達(dá)推測時，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發(fā)生，在這種用法中can只能與動詞原形連用；could用于肯定句中，語氣比may/ might更弱。例如： ①You ______ be hungry already — you had lunch only two hours ago!’t’t’t’t ②She ______ have left school, for her bike is still ’t’t’t’t ③It is usually warm in my hometown in March, but it _____ be rather cold ④Peter ____ be really difficult at times even though he’s a nice person in 【解析】①② 兩個考題中can用于中表示否定的推測，意為：不可能，一定不會； ③④兩個考題中can表示理論上的可能性，翻譯為：有時候會??。【答案】① B ② A③ B ④ C(4)may(not)/ might(not)表達(dá)一種不太把握的推測，意為“或許，可能”；might的語氣比may較婉轉(zhuǎn)。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?！敬鸢浮浚蘑贏lthough this ____ sound like a simple task, great care is 【解析】這聽起來或許是一項簡單的任務(wù)，但卻需要極大的細(xì)心?！敬鸢浮緽 ③—I can’t find my purse anywhere.—You __ have lost it while 【解析】結(jié)合語境可知，回答者是在提醒對方：或許購物時把錢包丟了?！敬鸢浮緼（二）表達(dá)虛擬語氣的情態(tài)動詞對過去的一種結(jié)果的假設(shè)或虛擬，用情態(tài)動詞+have done這一結(jié)構(gòu)，常用的有以下幾個情態(tài)動詞：(1)should(not)/ ought(not)to have done本（不）應(yīng)該做某事，但卻沒有做或做了，含有責(zé)備或后悔之意。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】對不起，我那天本不應(yīng)該對你大喊大叫的?！敬鸢浮緽(2)could have done本來能夠做某事但未做。例如：Thank you for all your hard work last don’t think we ______ it without manage have managed manage have managed 【解析】根據(jù)題干中所給出的時間last week可知我們已經(jīng)做完了工作，已經(jīng)完成，故排除A、C兩項，再結(jié)合could have done表示虛擬語氣以及與前面的I don’t think?，故說話者想表達(dá)的意思是：離開了你，我們本不可能完成這項工作。【答案】B(3)needn’t have done本沒有必要做某事但卻做了。要注意needn’t do則表達(dá)“沒有必要去做某事”，時間上應(yīng)該是現(xiàn)在或?qū)?。例如?①—Catherine, I have cleaned the room for you.— ________ could manage it ’t do’t have done’t do’t have done 【解析】根據(jù)句意可知Catherine對對方為她打掃了房間表示感謝并提到對方不必為她打掃房間?！敬鸢浮緽 ② The boss has given everyone a special holiday, so wego to work