初中英語(yǔ)情態(tài)動(dòng)詞專項(xiàng)講解-全文預(yù)覽
【正文】 去可能發(fā)生的動(dòng)作或存在過(guò)的動(dòng)作的推測(cè)性用法。That man can＇t be her husband she is still single.Who is knocking at the door? Can it be the postman?must表示肯定的推測(cè)，一般用于肯定句中。More and more trees must be planted in ?？键c(diǎn)四:情態(tài)動(dòng)詞的被動(dòng)語(yǔ)態(tài)含有情態(tài)動(dòng)詞的被動(dòng)語(yǔ)態(tài)的結(jié)構(gòu)為：情態(tài)動(dòng)詞+ be + done (動(dòng)詞的過(guò)去分詞)。（2）needn’t + have+動(dòng)詞的過(guò)去分詞，表不需要完成但已完成的動(dòng)作，暗含時(shí)間或精力上的浪費(fèi)?！?2) mustn’t也可用于以may表示要求時(shí)的否定回答中。2. may的否定式為may not，譯成“可能不”，He may not be at 。May I e in ? 我可以進(jìn)來(lái)嗎？ No, you mustn’t. / can’，你不能。其回答方式有以下幾種：Yes, please .、 All right .、 No, thank you.5. would you…的回答方式有以下幾種：Yes, I will. (No, I won’t.)、 Sure . (I’m sorry , I can’t.)、 All right/ OK/ With pleasure. 、Certainly. (No, thank you .) 、Yes, please.【例題】—Would you do me a favor and pass on my thanks to Lily?—________. ’s right pleasure doesn’t matter trouble【解析】“對(duì)了”，“樂(lè)意效勞”, “沒(méi)關(guān)系” “不費(fèi)事”。You had better not give the book to 。（一定不能說(shuō)there will have）There are many students in our school.→There will be many students in our school. There will be a sports meeting next week.一定不能說(shuō)：There will have a sports meeting next week.will與be going to do something區(qū)別：①. be going to表示近期、眼下就要發(fā)生的事情，will表示的將來(lái)時(shí)間則較遠(yuǎn)一些，He is going to write a letter tonight. He will write a book one day.②. be going to表示根據(jù)主觀判斷將來(lái)肯定發(fā)生的事情，will表示客觀上將來(lái)勢(shì)必發(fā)生的事情。）9. will的用法：will表示意愿、意志、打算，可用于多種人稱。We should protect the 。Why not meet at the school gate at eight? Why don39。s go for a walk after supper.(2).用“What/How about...?”來(lái)提出建議；about后接名詞或動(dòng)詞ing形式。7. shall的用法：shall表示征求對(duì)方意見(jiàn)（多用于第一、三人稱），Shall we go out for a walk?我們出去散步好嗎？在英語(yǔ)中，我們可以用其他多種方式提出我們的建議或征求對(duì)方意見(jiàn)。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(wèn)她，你能幫我問(wèn)問(wèn)嗎？（2）dare作為實(shí)義動(dòng)詞，此時(shí)有人稱、數(shù)及時(shí)態(tài)的變化。如果是物作主語(yǔ)，一般用need doing與need to be done這種情況下應(yīng)注意兩點(diǎn)：①. 主動(dòng)形式的動(dòng)名詞doing具有被動(dòng)的含義；②.該動(dòng)名詞可以改為其動(dòng)詞不定式的被動(dòng)形式而句子的意義不變?！狽o. you needn’t /don’t have ，你不必。注意其反意問(wèn)句的構(gòu)成形式： 當(dāng)must表示肯定的判斷、推測(cè)時(shí)，其反意疑問(wèn)句要用實(shí)際問(wèn)句的助動(dòng)詞來(lái)構(gòu)成。You mustn’t be 。通常是用may +主+VMay you have a good 。She may be at . (3) .may的過(guò)去式為might，表示推測(cè)時(shí)。（注意回答）3. may的用法：（1）.表示請(qǐng)求、許可，比can正式，May I borrow your bike?我可以借你的自行車嗎？You may go home ?！纠}】—I think Miss Gao must be in the library. She said she would go the
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