中考英語(yǔ)情態(tài)動(dòng)詞考點(diǎn)-全文預(yù)覽
【正文】 needed dare dared have to had to （二）情態(tài)動(dòng)詞的種類：（見下表）原 形過(guò)去式詞 義cancould能maymight可以（或許）mustmust(had to)必須（不得不）willwould愿意shallshould應(yīng)該needneeded需要daredared敢于（三）情態(tài)動(dòng)詞的否定形式：cannot can’t could not couldn’t may not mayn’t might not mightn’t must not mustn’t will not won’t would not wouldn’t need not needn’t shall not shan’t should not shouldn’t ought not oughtn’t dare not daren’t （四）常用情態(tài)動(dòng)詞的用法：1．can與could1）． can（1）表示體力或腦力方面的“能力”，也能表示根據(jù)客觀條件能做某事的“能力”。 He couldn’t climb up the mountain. The news could be true. （2）表示客氣地請(qǐng)求或委婉地陳述意見。 We didn’t know that he might be our new teacher. The accident might happen the day before yesterday. （2）替代may來(lái)表示現(xiàn)在時(shí)間的動(dòng)作，主要于推測(cè)（但其可能性比may更低）。此時(shí)可用于各種人稱。 Will you please buy me an EnglishChinese dictionary when you go to the bookstore? Will you have some rice? 2）． would（1）will的過(guò)去式，表示過(guò)去的意愿和決心。如： Would you like some fish? 吃點(diǎn)魚好嗎？ 5．shall與should1）． shall 征求對(duì)方意見或請(qǐng)求，用于第一、三人稱。 You should have told us the truth.（應(yīng)該告訴卻沒(méi)有） He should have known the importance of ） We shouldn’t have left so early.（不應(yīng)該早出來(lái)，可已經(jīng)做了） 6．need1）need意思是“需要，必須”，主要用于否定句和關(guān)系問(wèn)句中。 You ought to visit us often. Sorry, I ought to leave now. 在表示“應(yīng)該”時(shí)，ought to的語(yǔ)氣比should要強(qiáng)，比must稍弱。t dare do that again! The poor girl dare not go home. 9．had better You had better see a doctor. You had better not leave now. Had I better wait for her? used to do / be used to doing / be used to do…used to do 表示過(guò)去常常發(fā)生的動(dòng)作，強(qiáng)調(diào)過(guò)去，只用于過(guò)去，注意用 to do，不用doing形式；而be used to doing 意為“習(xí)慣做…”， be 可有各種時(shí)態(tài)； be used to do 意為“……被使用去做……,” 為被動(dòng)語(yǔ)態(tài)形式。 + 主語(yǔ)+動(dòng)詞原形+….？ 如：Can you repair the car? Could he be a good student?Will you please give me a call? ?。?） 對(duì) will/ would you…（1） can’t可譯為“不會(huì)”， 如：I can’t play basketball. 我不會(huì)打籃球。He mustn’t leave his room. ?。?） mustn’t（1）needn’t 意為“ 不必” 。 另外 be able to 常常指經(jīng)過(guò)努力， 花費(fèi)了時(shí)間和勞力之后才能做到某事。can 和may 表示可能性時(shí)的區(qū)別：1) can’t 和 mustn’t. must 和 have to need， dare 的兩種用法 need ， dare 作情態(tài)動(dòng)詞是， 多用于否定句、疑問(wèn)句中，后接動(dòng)詞原形。My father used to eating meat.She is used to
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