【正文】 I be forgiven my negligence ? 請(qǐng)?jiān)徫业氖韬觯袉幔?）（用于否定句、疑問句或感嘆句中）表示猜測(cè)、懷疑或驚詫How can / could you be here ? 你怎么會(huì)在這兒？She couldn39。I could not understand the lecture on the puter given by 。can , could 能，會(huì)（could可以看作是can的過去式，這兩個(gè)詞除了時(shí)態(tài)不相同外，在表達(dá)意思的許多方面是相同的。ought。它很接近中文里的能愿動(dòng)詞。Philip may(might)have been hurt seriously in the car can(could)have been hurt seriously in the car )must have +done sth，對(duì)過去時(shí)間里可能發(fā)生的事情的推測(cè)，語氣較強(qiáng)，具有“肯定”，“諒必”的意思。如：The temperature on the mountain top can be as low as minus 15 。她當(dāng)時(shí)說她會(huì)穿一件紅色的襯衫而且當(dāng)時(shí)沒有其他的女孩穿紅色的衣服。學(xué)生們肯定在睡覺。三、推測(cè)：might, may, could, should, ought to, will, must。表示對(duì)過去正在發(fā)生事情的推測(cè)。t know where she is, she may be in ）情態(tài)動(dòng)詞+動(dòng)詞現(xiàn)在進(jìn)行時(shí)。t。You have worked hard all must be ，一定累了。他不是你嘲笑是熱恰恰是你應(yīng)該學(xué)習(xí)的一個(gè)人。2．注意情態(tài)動(dòng)詞表示推測(cè)的語義差別。ve only been working for an 39。t 39。t I39。 be here at any 8..When he was there, he______ go to that coffee shop at the corner after workevery 9..Sir, you _____ be sitting in this waiting is for women and children 39。t39。t mind telling you what I 39。t have 39。t fire spread through the hotel very quickly but everyone ______ get able to can I e for the photos? I need them tomorrow _____be ready by 12:12..I stayed at a hotel while in New , did you? You_ ____with have stay have stayed13.－Will you stay for lunch?－Sorry,＿＿＿＿＿ ,My brother is ing to see mustn39。t be39。 to。 to。t 39。39。t have attended39。t leave, I’m not feeling well in the stomach, I______so much fried chicken just ’t ’t have eaten’t have ’t eat heard they went skiing in the mountains last _____ be true because there was little snow may not beB won’t beC couldn’t beD mustn’t be has been announced that candidates_____ remain in their seats until all the papers have been canB willC mayD shall leftluggage office is a place where bags ______ be lefe for a short time, especially in arailway don39。39。s nearly seven o39。t won39。m not ________go to the concert ．mustB．wouldC．shouldD．might is on time for _________ it be that he was late for the opening ceremony?A．can B．shouldC．mayD．mustHe hesitated for a moment before kicking the ball, otherwise he ________ a ．had scored B．scoredC．would score D．would have scored20.—Write to me when you get home.—_________A．I mustB．I shouldC．I willD．I can was really anxious about _____ home without a 39?！痶 often see lights in that empty you think I _____ report it to the police? _____ at 8:30 for the meeting, but he didn’t’ show have arrive be arriving have had arrived ______ be tiredyou39。根據(jù)要表達(dá)的意思，有如下結(jié)構(gòu)：should have done / ought to have done：本應(yīng)該…… shouldn’t have done / oughtn’t to have done：本不該…… could have done：本來可以…… needn’t have done：本來沒必要…… would like to have done：本來很想…… would rather not have done: 本來不愿意…… could / might / have done: 不然早就情態(tài)動(dòng)詞講解與訓(xùn)練高考重點(diǎn)要求：1．掌握情態(tài)動(dòng)詞的基本含義和用法，并能根據(jù)語境準(zhǔn)確使用表達(dá)情感的情態(tài)動(dòng)詞。例如：You ought not to make fun of is not the one you laugh at but learn 。2)must表對(duì)現(xiàn)在的狀態(tài)或現(xiàn)在正發(fā)生的事情的推測(cè)時(shí)，must 后面通常接系動(dòng)詞be 的原形或行為動(dòng)詞的進(jìn)行式。否定推測(cè)用can39。I don39。4）情態(tài)動(dòng)詞+動(dòng)詞的現(xiàn)在完成進(jìn)行時(shí)。注意：could, might表示推測(cè)時(shí)不表示時(shí)態(tài)，其推測(cè)的程度不如can, may。2)情態(tài)助動(dòng)詞+ be doing： 對(duì)說話時(shí)的行為進(jìn)行推測(cè)(但will be doing還可以表示對(duì)將來某個(gè)時(shí)候正發(fā)生的行為進(jìn)行推測(cè))It’s already midnight and all lights are off students must be sleeping.(= There can’t be another possibility.)已經(jīng)半夜了，所有的燈也都熄了。The girl in red must have been said she would wear a red blouse and no other girls were in red then.(= There can’t be another possibility.)那個(gè)穿紅衣的女子一定是Lucy。”只能說“She could / may / might be Lucy.” Can可以用在否定句中和疑問句中表示對(duì)事實(shí)推測(cè)，can’t表示不可能，和couldn’t 同義，如前所述；用在一般疑問句中，如Can that be Tom?表示“可能......嗎？”用在特殊疑問句中，如What can it be?” 表示“可能是什么/為什么/在哪兒............呢？”3)但是can可以用在肯定句中，表示理論可能上的或泛泛而談的可能性，可翻譯為“(有時(shí))可能”，它不是表示對(duì)具體事實(shí)的推測(cè)。(對(duì)事實(shí)推測(cè))情態(tài)動(dòng)詞+ have +過去分詞1)may(might)have + done sth, can(could)have + done sth 表示過去，推測(cè)過去時(shí)間里可能發(fā)生的事情。t have done weather was )would like to have done sth本打算做某事I would like to have read the article, but I was very busy They must be in the library, aren’t they? 他們一定還在圖書館，對(duì)吧？They must have gone to the library, haven’t they? 他們一定去圖書館了，對(duì)吧？ They must have been to the library yesterday, didn’t they? 他們昨天一定去了圖書館，是不是？ Let me do it, will you? 讓我來做，好么？ Let me help you, may I? 請(qǐng)讓我?guī)湍悖梢詥幔?Don’t move, will you? 請(qǐng)你別動(dòng)！Go quickly, can you? 你能不能快點(diǎn)？Let’s go for a walk, shall we? 咱們?nèi)ド⒉?，好么？He used to live in the countryside, didn’t/usedn’t he? 他過去住在農(nóng)村，對(duì)吧？情態(tài)動(dòng)詞，在英文中主要用來表示說話人的看法、態(tài)度等。must。t be in such a hurry for there is enough timefor ，用不著這么慌張。He could hardly support his family before he found the new 法養(yǎng)家。t happen any more 。這時(shí)候，could就不可以看作是can的過去式了。（二）情態(tài)動(dòng)詞情態(tài)動(dòng)詞表示說話人對(duì)某一動(dòng)作或狀態(tài)的態(tài)度，可以表示“可能”、“可以”、“需要”、“必須”或“應(yīng)當(dāng)”等之意。如：He was able to go to the party yesterday evening in spite of the heavy 、may和might(might為may的過去式)的基本用法may , might 或許，可能，可以（might可以看作是may的過去式，這兩個(gè)詞除了時(shí)態(tài)不相同外，在表達(dá)意思的許多方面是相近的。t，表示“不應(yīng)該”，“不準(zhǔn)”、“不許可”或“禁止”之意，如：We must study hard and make progress every mustn39。t have to), but you must finish it in three days.(3)在肯定句中must可以表示推測(cè)，表示“一定”或“必定”之意，如：Whose new bike can it be?It must be Liu Dong39。t have to，因?yàn)閙ustn39。注意，在美國英語中ought to 用于否定和疑問句時(shí)to可以省略。should的基本用法用于表示“建議、命令、要求、主張、指示”類含義的名詞性從句中的謂語部分should do,但should可以省略；6)用在虛擬語氣句子中，表示發(fā)生的可能性不大，但也并非全無可能性，可譯為“萬一”，如：If it should rain, buy an umbrella.= Should it rain, buy… 萬一下雨就買一把傘。Used to 表示過去的習(xí)慣動(dòng)作或狀態(tài)，現(xiàn)在不復(fù)發(fā)生或存在，疑問式和否定式有兩種。I promise that you shall see her again before 。4）規(guī)定Each petitor shall wear a 。We should read English aloud every 。Why should I pay him for nothing ? 我干嗎要無為地付給他錢？ It seems so unfair that this should happen to 。ll write it down lest I should forget it 我將它記下以免遺忘。t you e in and have a little whisky ? 你要不要進(jìn)來喝一點(diǎn)兒威士忌？（或是：你進(jìn)來喝一點(diǎn)兒威士忌，好嗎？）Would you tell me how to get to the shopping center ? 您能告訴我怎么去購物中心嗎？ 2）用于表示愿望Go where you 。4）表示猜測(cè)（可譯成“一定是……、想必……，等”）This will be the house you39。t worry about won39。I didn39。What can I do for you? 你要什么？How dare you treat us like that!你怎么敢那樣對(duì)待我們?nèi)?、情態(tài)動(dòng)詞的特點(diǎn)情態(tài)動(dòng)詞無人稱和數(shù)的變化，情態(tài)動(dòng)詞后面跟的動(dòng)詞需用原形，否定式構(gòu)成是在情態(tài)動(dòng)詞后面加“not”。四、情態(tài)動(dòng)詞的用法(could)表示說話人能, 可以, 同意, 準(zhǔn)許, 以及客觀條件許可, could 為can 的過去式。may 否定式為 may not, 縮寫形式是 mayn?t。t work all the 。s six