【正文】 語氣方面比 may not 更強)你們不準在池里釣魚。在疑問句中還可用could,might代替，不是過去式，只是語氣更委婉，不能用于肯定句和答語中。May you succeed!3)表示推測、可能性(不用于疑問句)。 needn’t e so I finish the work today?Yes, you must./ No, you needn’)dare和 need作實義動詞用時，有人稱、時態(tài)和數(shù)的變化。 39。s green sweater by ______ Harry39。39。39。otherwise, he wouldn’t be enjoying himself by theseaside.(05北京卷)(B)’’t paid for a seat, when he ______ have entered free.（05山東卷）(A)39。t mind telling you what I 39。 dare you say I’m unfair? daren’t speak English before such a crowd, dare he? we dared not go there that day，we couldn’t get the beautiful )need 作情態(tài)動詞用時, 常用于疑問句、否定句。Might/ May I smoke in this room?No, you mustn’Yes, you can.(No, you can’t / mustn’t.)用May I...?征徇對方許可時比較正式和客氣，而用Can I...?在口語中更常見。如：He was able to go to the party yesterday evening in spite of the heavy )表示請求和允許。(5)must 用于表示“禁止”，“不準”： must not be parked here.(must not表示不許可)此地不準停車。 mankind must die.(表示必然會發(fā)生的事)所有的人一定會死的。 may snow later this afternoon.(表示預(yù)測)今天下午可能會下雪。如：Dare he tell them what he knows? 他敢告訴他們所知道的情況嗎?I daren’t ask her – will you do it for me? 我可不敢問她，你能幫我問問嗎?(2)dare 作為實義動詞，此時有人稱、數(shù)及時態(tài)的變化。(2).need 還可以作實義動詞，此時有人稱、數(shù)和時態(tài)的變化，如果是人作主語后邊多接動詞不定式。(3)對must引導(dǎo)的疑問句，肯定回答為must，否定回答為needn’t 或 don’t have ：—Must I finish my homework?我現(xiàn)在必須完成作業(yè)嗎?—No, you needn’，你不必?？赡苄缘陀趍ay。如：He could write poems when he was 。如：She can swim fast, but I can’，但我不能。）1)NEEDN’T+BEIt needn’t be hot in Florida ：It can’t be hot in Florida now.（一定不）It must be hot in Florida now.（一定）2)NEEDN’T+HAVE DONEHe need not have seen much of the world, though he is an old ：He can’t have seen much of the world, for he is just a little must have seen much of the world, for he has been traveling so 、NEED與問句 1)反意疑問句的構(gòu)成 You needn’t go, need you? 2)答句的構(gòu)成Need he go?Yes, he must/has to/needs , he needn’t.（本條可參照must的用法）六、情態(tài)動詞NEED與實義動詞NEED 1)使用范圍作為實義動詞的NEED有人稱、數(shù)和時態(tài)的變化，使用范圍更為廣泛，不受句子類型和時態(tài)的限制。You needn’t You needn’t have your blood pressure taken NEED的過去式仍然是NEED。t5．I can’t understand why our boss is the early miss have missed have missed miss第三篇：情態(tài)動詞need用法小結(jié)一、NEED與句子類型（本條可參照ANY的用法。否定回答needn’t換，“需要”need, dare“敢”。如： You mustn39。m daren39。[5] Would和will的用法A．表示請求、建議等，would比will委婉客氣。用“情態(tài)動詞 + 動詞原形”。（舉例：i can wash clothes）無人稱和數(shù)的變化We must stay 。大紅花兒，張著大嘴，放聲歌唱；燈籠花兒，隨風(fēng)搖墜，四處飄香；劍蘭花兒，形態(tài)獨特，毫不遜色。must表示一易錯點點撥：種主觀的需要，而have to表示一種客觀的需要，意思是“不得不”，其否定形式是don’ have to。 fire spread through the hotel very quickly but everyone was able to get .—Will you stay for lunch?—Sorry, I can’ brother is ing to see tomust表示主觀意志，而have to表示由于客觀因素。He may not have achieved all his his effort is a good ，但他還是認真做了努力的。⑷ 過去的一段時間內(nèi)一直在進行的動作：must/may /might/ could + have + been +doing想必/可能一直在……They are sweating all must have been working in the ，準是在地里勞動來著。情態(tài)動詞的推測用法⒈ 肯定句中：must(一定)，may(可能)，might/could(也許，或許)其語氣的肯定程度依次遞減。The film should be very good as it is starring firstclass ，都是一流的演員。They would not let him in because he was poorly 、建議或看法。Shall I get you some tea?Shall the boy wait outside?It39。用在疑問中比may委婉、客氣。：will → would , can → could , may→ might , dare → daredcan(could)。He may be at 。You shall do as I say.（命令）You shall have the English book as soon as I finish it.（允諾）He shall be sorry for it one day, I tell you.（警告）Everything that he owns shall be taken away from him.（決心）will，用于各種人稱陳述句。意為“應(yīng)該”，用于各種人稱。，暗含很大的可能。⑵ 對此時此刻正在進行的動作的推測：must /may/ might/ could + be doing想必/可能正在……He must /may/ might/ could be watching TV at this 。He can not be busy 。The table needs painting(to be painted.).I dare say he’ll e 和be able tobe able to 表示經(jīng)過努力后, 能夠做到。People used to think that the earth was would go out for a walk in the morning when she was in the ．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(jié)構(gòu)；對現(xiàn)在或?qū)淼氖虑檫M行描述，用“情態(tài)動詞+動詞或系動詞原形”。這時可省略if，將should提到句首，變?yōu)榈寡b句式。我更期待，期待盛夏的荷塘色，期待那更加妖嬈多姿，色澤鮮艷的荷花，期待初夏生機勃勃、揮汗如雨的激情生活！第二篇：《情態(tài)動詞》的用法 教案《情態(tài)動詞的用法》教案一、教材分析: 這是初中的一個較重要也有難度的知識點,作為動詞中的一類,如何使用情態(tài)動詞can(could),must, have to, may(might),shall（should）,will, dare, need, aught 、特點、以及最重要的用法；最后加以練習(xí)進行鞏固二、教學(xué)目標：：：通過引導(dǎo)，讓學(xué)生能夠說出學(xué)會情態(tài)動詞的基本用法，在語境中的意思。否定形式直接在后面加no下面我們開始逐個學(xué)習(xí)它們的用法 [1] 首先是can/could的用法 can 表示現(xiàn)在的能力，could 表示過去的能力，要表示將來具備的能力通常 be able to 的將來時態(tài)。(2)．He may(might)not be at home at this 。如： I will never do that he would’nt helped would like a cup of ．用“will be”和“will(would)+ have + 過去分詞”的結(jié)構(gòu)表示推測，前者表示對目前情況的推測，后者表示對已經(jīng)完成的動作或事態(tài)的推測。t + 不定式的完成式“表示本來不必做某事而實際上做了某事”。t have to 。 have e to the party, but she not find the exact 。2)含有否定意義的句子含only/but/all/before/than等詞語。（本條可參照must的用法）三、NEED與虛擬語氣 1)NEED用于虛擬條件句（本條可參照虛擬條件句的構(gòu)成及用法。2)含義差別NEEDN’T HAVE DONE與DIDN’T NEED TO DO