2020年高考英語二輪復(fù)習(xí) 情態(tài)動詞和虛擬語氣學(xué)案

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1、 課題名稱 二輪復(fù)習(xí)—— 情態(tài)動詞和虛擬語氣 學(xué)習(xí)目標(biāo)：1 自主學(xué)習(xí)創(chuàng)新教程情態(tài)動詞和虛擬語氣內(nèi)容。 2分析歷年熱門考點進行實戰(zhàn)演練。 學(xué)習(xí)難點：3各類從句中的虛擬語氣 一、復(fù)習(xí)時需注意的要點 （一）情態(tài)動詞 1、情態(tài)動詞在句中沒有人稱和數(shù)的變化。 2、含有情態(tài)動詞的句子改為否定句或疑問句不必加助動詞，只需要將情態(tài)動詞置于主語前，或在情態(tài)動詞后加上not。 例如：Must I write a letter to cheer him up? You needn’t wait for me. 3、 情態(tài)動詞的過去式，例如can—cou

2、ld，may—might。但是少數(shù)情態(tài)動詞只有過去式，例如used to表示過去常常。must的過去式往往用had to代替。 4、 情態(tài)動詞后還可接不定式的進行式、完成式和被動式。 例如：He can’t be doing his homework now. 他現(xiàn)在不可能在做功課。 He must have attended the meeting last night. 昨晚他一定參加了會議。 （二）虛擬語氣 1、 在if條件句中，如果含有were , should或had等助動詞，if可以省去，句子用倒裝。 例如：Were I you , I would buy this r

3、eference book. 2、 should與would都可以用于if條件句的主句中，但should一般只用于第一人稱，would用于所有人稱。 例如：If you were here , I would tell you the news . 3、 某些條件可以用介詞短語without… , but for 等來表示 。 例如：Without your help , I could not have succeeded in passing the exam . 4、 有時句子通過but或otherwise等詞來表示真實與虛擬的轉(zhuǎn)換，在這種情況下，只有不真實的部分用虛擬式。

4、例如：I was ill yesterday；otherwise I would have played football with you . But for the heavy rain , we would have gone to the concert . 5、 有suggest等詞的相應(yīng)的名詞組成的同位語從句及表語從句用虛擬式。 例如：I accepted my mother’s suggestion that I should eat an apple every day . 二、2020;2020考題分析 1.(08全國Ⅱ17) Liza well not wan

5、t to go on the trip—she hates traveling. A.will B.can C.must D.may 答案 D 解析 句意為：Liza極有可能不想去旅行——她討厭旅行。may well很可能，極有可能，表示猜測。當(dāng)表示猜測時，will和can不能與well連用，must只能用于肯定句中。 2.(08北京21) John promised his doctor he not smoke， and he has never smoked ever since.A.might B.should C.could D

6、.would 答案 D 解析 句意為:約翰答應(yīng)醫(yī)生他不再吸煙，從那以后，他再也沒有吸過煙。由句意可知空格處表示允諾，故應(yīng)選 擇D項。 3.(08天津6) She have left school， for her bike is still here. A.can’t B.wouldn’t C.shouldn’t D.needn’t 答案 A 解析 句意為：她不可能離開了學(xué)校，因為她的自行車仍然在這兒。can’t表示不可能；wouldn’t have done 表虛擬；shouldn’t have done本不該做(卻已做了）；needn’t have

7、 done本沒必要做(但已做了）。 4.(08江西26) What a pity!Considering his ability and experience， he better. A.need have done B.must have done C.can have done D.might have done 答案 D 解析 句意為：太遺憾了！鑒于他的能力和經(jīng)驗，他本可能做得更好。need have done本來有必要做（而沒做）；must have done是對過去發(fā)生的事情的肯定的推測，表示“過去一定做了”；can have done是對過去發(fā)生的事情的不肯定

8、的推測；might have done表示“本來可以”。 5.(08湖南28) You don’t have to know the name of the author to find a book.You find the book by the title. A.must B.need C.can D.would 答案 C 解析 句意為：要找到一本書你不一定非要知道作者的名字。你可以根據(jù)書的標(biāo)題找到這本書。can表示“可以，能夠”。 6.(08陜西9) —What sort of house do you want to have? Something b

9、ig? —Well， it be big—that’s not important. A.mustn’t B.needn’t C.can’t D.won’t 答案 B 解析 句意為：“你想要什么樣的房子？要大的嗎？”“噢，它不需要很大，那不重要?！庇?..that’s not important.這一語境可知，空格處應(yīng)表示“不需要”，故須用needn’t。 7.(08四川10) Although this sound like a simple task，great care is needed.A.must B.may C.shall

10、D.should 答案 B 解析 句意為：盡管這聽起來可能像一項簡單的任務(wù)，但是需要非常仔細(xì)。must一定，必須；may可能，可以；shall將要；should應(yīng)該。各自表達的意義不同，選may最妥當(dāng)。 8.(08重慶30) —I can’t find my purse anywhere. —You have lost it while shopping. A.may B.can C.should D.would 答案 A 解析 may表達推測之意，意為“可能……”。 9.(08浙江11) You be hungry already— you

11、had lunch only two hours ago! A.wouldn’t B.can’t C.mustn’t D.needn’t 答案 B 解析 句意為：你不可能餓了，你兩個小時之前才吃的午飯！can’t指不可能；mustn’t表猜測時，不能用于否定句；Needn’t指沒有必要。 10.(08福建24) It is usually warm in my hometown in March，but it be rather cold sometimes. A.must B.can C.should D.would 答案 B 解析

12、 must必然，一定；can可能；should應(yīng)該；would（過去）將，總會。本題提供的語境是“有時可能會……”。 11.(08遼寧22) Peter be really difficult at times even though he’s a nice person in general. A.shall B.should C.can D.must 答案 C 解析 句意為：雖然彼得總體上來說是一個好人，但有時真的難以相處。can在這里不表示主觀的推測，而表示客觀的可能性。 12.(08江蘇35) —I’m sorry.I at you the o

13、ther day. —Forget it.I was a bit out of control myself. A.shouldn’t shout B.shouldn’t have shouted C.mustn’t shout D.mustn’t have shouted 答案 B 解析 句意為：“對不起，幾天前我本不應(yīng)該朝你大喊大叫的?！薄安灰旁谛纳稀Ｎ易约河悬c情緒失控?！眘houldn’t have done sth.本不應(yīng)該做某事(但已經(jīng)做了)。 13.(08山東24) Thank you for all your hard wo

14、rk last week.I don’t think we it without you. A.can manage B.could have managedC.could manage D.can have managed 答案 B 解析 could have done本能夠做某事（但沒做）。 三、2020;2020考題演練 1. (09安徽29) Some people who don’t like to talk much are not necessarily shy；they__________ just be quiet people. A. must

15、 B. may C. should D. would 2. (09北京25) One of the few things you ____ say about English people with certainty is that they talk a lot about the weather. A. need B. must C. should D. can 3. (09福建35) But for the help of my En

16、glish teacher, I _______ the first prize in the English Writing Competition. A. would not win B. would not have won C. would win D. would have won 4. (09湖南30) — It’s the office! So you_______know eating is not allowed here. — Oh, sorry. A. must B. will C. may D. need 5. (09海南25) W

17、hat do you mean, there are only ten tickets? There______ be twelve A. should B. would C. will D. shall 6. (09上海27) It_____ have been Tom that parked the car here, as he is the only one with a car. A. may B. can C. must D. should 7. (09四川1

18、3) —I don’t care what people think. —Well, you _______ A. could B. would C. should D. might 8. (09天津15) This printer is of good quality. If it _______ break down within the first year, we would repair it at our expense. A. would B. should

19、 C. could D. might 9. (09重慶32) —Hi, Tom. Any?idea?where?Jane?is? —She_____in?the?classroom. I?saw?her?there?just?now. A. shall?be???? B. should?have?been C. must?be????? D. might?have?been 10. (09全國Ⅱ20) I can’t leave. She told me that I _________ stay here until she comes back. A. can B. must C. will D. may