【正文】 a .⑵ 表示請求、許可，意為”可以” 如: eg:May I borrow your book? 我可以借你的書嗎?Yes, you can./ No, you mustn’, 可以./ 不, : 當由may 來提問的時候, 肯定回答我們用Yes, you No, you mustn’t.④ must ⑴ 表示“必須、應該“；eg: You must do your .⑵ 表示推測, “一定” 常與be : He must be in the .⑶ must + not = mustn’t 禁止eg: You mustn’t .⑷ must 放于句首提問, 肯定回答Yes, you No, you needn’t.⑸ must 與 have to 的區(qū)別：must強調(diào)主觀的看法．have to 強調(diào)的是客觀因素． eg: I must do my ．（個人看法）I have to go home now, because my mother is ，因為我媽媽病了．（客觀原因所導致）⑤ need ⑴ needn’t e here so early.⑵ 作實義動詞使用后接to do, He needs to drink some : He doesn’t need to drink any : Does he need to drink any water? Yes, he does./ No, he doesn’t.⑥ should “應該” 一般指應盡的某種義務．eg: As a student, we should finish our ，我們應該完成作業(yè)．練習：（） Wang ______ be in Nanjing now, he went to Beijing only this ’t not’t’t（）2.–Must I saty at home, Mum?No, you ’t’t’t not（）3.–Can you go swimming with us this afternoon?Sorry, I can’ _____ take care of my little sister at home because my mother is to（）4.–May I go to the cinema, Mum? you ______ be back by 11 o’（） make our city more beautiful, rubbish ______ into the ’t be thrown’t be thrown’t throw not throw（）6.–May I go out to play basketball, Dad?No, you must finish your homework ’t not’t’t（）7.–Where is Jack, please ?He _____ be in the reading （）8.–Who is the man over there? Is it Mr Li?No, it ______ be Li is much ’t not’t’t（） books ______ out of the reading have to read them ’t take be taken take’t be taken（）10.–Mum, may I watch TV now?Sure, but you ______ help me with my housework （） boy said he had to speak English in class, but he ______ speak it after ’t have to’t（）12.–Must we hand in the papers now?No, you ’t not’t’t（） ______ go there with us tonight, but he isn’t very sure about （） the top students in our class can’t work out this it ______ be very （） on more ______ be feeling cold with only a shirt （）’s still ’t hurry’t hurry not hurry’t have to hurry（）17.–May I stop here?No, you ’t not’t’t（） puter ______ think for itself, it must be told what to ’t’t not not（）19.–Could I borrow your dictionary?Yes, of course you （） ______ e with us tonight, but he isn’t very sure （） ______ be a policeman, for he’s much too ’t’t（） I know your name?（） ______ be more careful next to（） ______ miss the lesson, though we ______ have it on ’t。如：eg: He can’t be in the .⑶ 表示請求或允許, 多用于口語中, 意為”可以”, 相當于 :eg: You can go .② could ⑴ 是can 的過去式, :eg: I could swim when I was a .⑵ couldn’t: “不能” 用could 提問肯定和否定回答分別用 could, 和 couldn’:eg:Could you skate last year? 你去年會滑冰嗎?Yes, I could./ No, I couldn’, 我會./ 不, 我不會.③ may ⑴ 表示推測, 意為“可能。mustn’t’t。needn’t。must。can’t。could。Teaching Methods(教學方法)Selflearning，cooperation and discussion自學（獨學、對學、群學）、合作、討論Teaching Process(教學過程)Preparation and Selflearning 【自主學習、為新課奠基】Complete the following tasks.（A級 識記類）（C層學生展示，B、A層學生補充）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。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 表示詢問或說明一件事可不可做。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)在疑問句中用于第二人稱,表示說話人向對方提出請求或詢問。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 應該。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。)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)動詞無論是表達“推測和可能性”，還是表達“虛擬”這一概念，只要是對過去已經(jīng)發(fā)生的事情進行描述，一律用“情態(tài)動詞+have done”這一結構；對現(xiàn)在或將來的事情進行描述，用“情態(tài)動詞+動詞或系動詞原形”。must have done意為：一定做過某事或某事肯定發(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：既然你在駕校進行了大量訓練，那么通過道路測試按理不應該有困難。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】對不起，我那天本不應該對你大喊大叫的。要注意needn’t do則表達“沒有必要去做某事”，時間上應該是現(xiàn)在或將來。常用于虛擬條件句或含蓄虛擬條件引導的虛擬語氣，表示對過去所發(fā)生事情結果的假設?！敬鸢浮緿（三）表達“情感、態(tài)度、語氣” 等方面的情態(tài)動詞 “情感、態(tài)度、語氣”主要有以下用法：(1)表示主觀的義務和必要，主要用于肯定句和疑問句，意思為“必須??，得??，要??”；由must引起的疑問句，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表現(xiàn)良好的紳士竟然會對一個女士這么粗魯?！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可以表達一般的或永久的能力?！敬鸢浮緿(2)would表示過去傾向性或習慣性的動作。在近年高考題中，對情態(tài)動詞的考查幾乎每年都有縱觀近幾年的高考題可以看出，高考對情態(tài)動詞的考查熱點依次是：（1）推測和可能性；（2）“情態(tài)動詞+have done”結構表示猜測或表示虛擬語氣；（3）shall, should, can, must表示特定語氣。因而在復習中應引起高度重視，且依筆者之見，來年高考中對情態(tài)動詞考查的可能性依然非常大。即沒有不定式，分詞等形式。2)只用be able to中情況： 位于助動詞后； 情態(tài)動詞后；表示過去某時刻動作時； 用于句首表示條件；表示成功地做了某事時，只能用was/were able to，不能用could?！狢ould 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)生請來。3)在否定結構中：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 表示對已發(fā)生的事情的推測時，must 要接完成式。If Tom didn’t leave here until five o