2019版高考英语一轮复习 专题训练 第二部分 专题十二 情态动词和虚拟语气.doc

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高中英语高考2019届高考英语一轮复习第二部分语法专练专题四情态动词和虚拟语气课件外研版

高中英语高考2019届高考英语一轮复习第二部分语法专练专题四情态动词和虚拟语气课件外研版

—Why hasn t the cook arrived yet today?
—She just won
t come for such a low salary.
——为什么今天厨师还没来?
——她只是不愿意为这么低的薪水而来。
二、情态动词的特殊用法
语境运用
单句填空
1.It was sad to me that they,so poor themselves, should bring me food.
not
available.
答案 have gone 句意:我昨天晚上本应该去我表兄的生日聚会,但是
没有空。这里表示本应该做而没做的事,故答案是have gone。
2.Harry is feeling uncomfortable and he must have drunk too much at the party
我可以早晨打扫。设空处表示“不必”,所以用needn’t。
3.It was really annoying;I couldn’t get access to the data bank you had
recommended.
答案 couldn’t 句意:真令人恼火,我不能进入你推荐的数据库。根据
It was really annoying可知应用couldn’t。
it differently.
need→could/should
答案 need→could/should 句意:杰里对发表评论不感到后悔,但是他
觉得自己本来可以/本应该用不同的方式表达。根据e done sth.,意为“本来可以/本应该做某事”。
用法精讲
考点一
情态动词

高考英语一轮复习 考点 情态动词和虚拟语气考点归纳高三全册英语试题

高考英语一轮复习 考点 情态动词和虚拟语气考点归纳高三全册英语试题

入舵市安恙阳光实验学校考点13 情态动词和虚拟语气英语中常用的情态动词主要有can,could,may,might,must,will,would,shall,should,ought to,dare,need,used to,had better等。

在学习情态动词时应注意以下几点:同一情态动词表示不同的意义的情况;情态动词后跟各种形式的用法;尤其要注意"情态动词+完成式"是高考中的重点所在。

对虚拟语气的考查重点在于根据句子的语境灵活多样地运用虚拟语气,宾语从句中虚拟语气的应用,交际用语中为表示委婉而使用的虚拟语气,含蓄条件句中的虚拟语气,以及特殊句型中的虚拟语气等。

情态动词是2021年→请求/允许→必要性→特殊用法。

试题的立意不偏不怪,但有效信息越来越隐蔽,语境越来越真实,考查角度越来越细致,这些因素在很大程度上增加了试题的难度。

情态动词和虚拟语气与动词的时态和语态相结合的考查是近年来高考的趋势。

【复习建议】情态动词:1. 掌握情态动词的基本用法;2. 掌握情态动词表达"情感、态度、语气等"方面的用法。

虚拟语气:1. 掌握虚拟语气的基本用法;2. 掌握含蓄虚拟条件句的用法;3. 掌握主从句时间不一致的虚拟条件句的用法;情态动词考向一情态动词的基本用法1)can,could与be able to1.表示能力,意为"能,会"。

☞Many people can use the computer.许多人会用电脑。

☞If you have a good sleep,you will be able to work out this problem.如果你好好睡一觉,你将能够解出这道题。

☞I could have worked out the problem,but I was too nervous.我本来可以解决这个问题,但我太紧张了。

2)may与might1.表示请求、允许时,might比may的语气更委婉一些,否定回答时要用mustn’t,表示"不可以""禁止""阻止"之意。

高考英语一轮复习:第二讲-情态动词和虚拟语气省公开课获奖课件市赛课比赛一等奖课件

高考英语一轮复习:第二讲-情态动词和虚拟语气省公开课获奖课件市赛课比赛一等奖课件

(3)would 能够表达过去旳习惯性动作,比used to正式, 但没有“现已无此习惯”旳含义。 When we worked in the same firm several years ago, we would often go to the cinema together. 当几年前我们在同一家企业工作时,我们经常一 起去电影院。
1.can 和could旳使用方法 (1)表达“能力”。
— No one can be compared with Yao Ming in playing basketball. — Oh, you are really his big fan.(摘自2023湖南高考) ——在打篮球方面,无人能与姚明相媲美。 ——你真是姚明旳铁杆粉丝。
2.(2023·北京高考)— I don't really like James. Why did
you invite him?
— Don't worry. He ________ come. He said he wasn't
certain what his plans were.
A.must not
Simon's party last night?
— I wanted to, but my mom simply________not
let me out so late at night.
A.could
B.might
C.would
D.should
解析:考察情态动词。 问话人问询为何昨晚没有参 加Simon旳聚会,答话人回答说自己想去,但是妈妈 只是不想让自己在这么晚旳时候出去。 此处表达旳 是过去旳意愿,所以用would。 答案:C

2019版高考英语(课标版)一轮复习题组优化训练:第二部分 专题十二 情态动词和虚拟语气

2019版高考英语(课标版)一轮复习题组优化训练:第二部分 专题十二 情态动词和虚拟语气

专题十二情态动词和虚拟语气题组1 情态动词的基本用法1.[2017北京,21]Samuel, the tallest boy in our class, easily reach the books on the top shelf.2.[2016天津,5]It was really annoying; I get access to the data bank you had recommended.3.[2015浙江,4]It was so noisy that we hear ourselves speak.4.[2015陕西,21]You feel all the training a waste of time, but I’m a hundred percent sure later you’ll be grateful you did it.5.[2014四川,6]I still remember my happy childhood when my mother take me to Disneyland at weekends.6.[2014重庆,3]I’ve ordered some pizza, so we worry about cooking when we get home tired.7.[2014北京,27] I have a word with you? It won’t take long.8.[2013江西,29]When I was a child, I watch TV whenever I wanted to.9.[2013安徽,34]It be the vocabulary that caused you the problem in the exercise because you know a lot of words.10.[2013新课标全国Ⅰ,29]The door open, no matter how hard she pushed.11.[2013重庆,26]—What are you doing this Saturday?—I’m not sure, but I go to the Rolling Stones concert.12.[2016甲卷(全国Ⅱ)改错]We can chose between staying at home and taking a trip.13.[2015新课标全国Ⅰ改错]We must found ways to protect our environment.题组2 "情态动词+have done"的用法14.[2015天津,7]I have worried before I came to the new school, for my classmates here are very friendly to me.15.[2015福建,27]—Sorry, Mum! I failed the job interview again.—Oh, it’s too bad. You have made full preparations.16.[2014陕西,25]My book, The House of Hades, is missing. Who have taken it?17.[2013陕西,21]The children (get) lost in the woods; otherwise, they would have been at the lakeside camp as scheduled.18.[2013浙江,3]I (enjoy) myself more — it was a perfect day.题组3 虚拟语气19.[2017天津,15]—Do you have Betty’s phone number?—Yes. Otherwise, I able to reach her yesterday.20.[2016天津,15]I was wearing a seatbelt. If I hadn’t been wearing one, I (injure).21.[2016北京,34]Why didn’t you tell me about your trouble last week? If you (tell)me, I could have helped.22.[2015安徽,32]It is lucky we booked a room, or we (have)nowhere to stay now.23.[2015陕西,23]Ellen is a fantastic dancer. I wish I (dance) as well as her.24.[2014湖南,22]If Mr.Dewey (be) present, he would have offered any possible assistance to the people there.25.[2014浙江,16]They were abroad during the months when we were carrying out the investigation, or they(come) to our help.26.[2014重庆,13]It was John who broke the window. Why are you talking to me as if I (do) it?27.[2014天津,15] (catch) the morning train, he would not have been late for the meeting.28.[2013重庆,29]—It rained cats and dogs this morning. I’m glad we took an umbrella.—Yeah, we would have got wet all over if we (have).29.[2013浙江,8]Eye doctors recommend that a child’s first eye exam (be) at the age of six months old.30.[2016甲卷(全国Ⅱ)改错]Some classmates suggest we can go to places of interest nearby.A组基础题A单句填空31.[2018河南师范大学附属中学高三检测,49]The guideline aimed to prevent more children from becoming obese and it suggested that the local government in China (strengthen) the training of medical staff around.32.[2018北京朝阳区高三期中统考,13]If we (take) another road, we wouldn’t have been stuck i n the traffic jam for so long.33.[2018江西南昌第二中学期中,25]I insisted that a doctor (send)for immediately.34.[2018北京海淀区高三期中,32]The price on this packet is wrong. It be $2.50, not $3.50.35.[2017江苏七校高三联考,27]—Have you seen the film Operation Mekong?—Yes. It’s said that the film be banned in Thailand should it be found to damage the image of the country. 36.[2017山西太原外国语学校月考,19]Though his face suggested that there (be) nothing serious, the doctor still suggested he (stay) in bed for a few days.37.[2017北京海淀区高三期中考试,33]It is said that people reduce the risk of catching some serious diseases by exercising.38.[2016北京朝阳区重点中学期中考试,25]They have drunk heavily — there were dozens of empty beer bottles lying around when we entered the room.39.[2016山东济南第一中学月考,29]—Is he in the office now?—No, he be there. I saw him in the library just now.40.[2016浙江杭州五校联考,5]I have never been to Stratford,though I probably .41.[2016湖南十三校第一次联考,21]I thank you too much because without your help I wouldn’t have won the first prize.42.[2016 天津七校联考,10]I was ill that day, otherwise I (take) part in the sports meet.B单句改错43.[2018河南许昌一模]The reason is that I have got a cold, and the doctor suggests that I must lie in bed for one week or so.44.[2018宁夏银川一中第二次月考]If you are interested, please let me know as soon as possible. In that case, I can’t buy the tickets ahead of time.45.[2018广东华南师大附中周测2]In his opinion, we would not only know "what", but also understand "why".46.[2017广东惠州高三二调]I communicated with the organizers and suggested that they should shorten the dance time and reduced the music noise.47.[2017河南部分重点中学高三联考]Meanwhile, I found out that with more patience I must make my toys last.48.[2017湖南长沙长郡中学高三模拟]If I am you, I would consider a bike as a birthday present for him.49.[2017 山东高三模拟]She is a quiet girl at school, but sometimes she must be very naughty.50. [2017 广东实验中学月考]I ought to helped Henry with his work, or he would have finished it now.51.[2016湖北七市教科研协作体高三联考]I suggest that we telling them we want them to trust us as much as we’d like to trust them.52.[2016广东高三3月适应性测试]Though my arms looked weak, my mother trusted that I can hold the baby.53.[2016河北石家庄高中毕业班一模]To begin with, it’s important to remember some sentence structures, which can enriched your vocabulary and expressions.54.[2016江西重点中学协作体高三第一次联考]During my holidays, I would travel to my dreamlands. In a word, my life will be much richer and more colorful.B组提升题A专项语篇型填空(情态动词和虚拟语气)Rain or shine, Tom is always the first to arrive at the office. His home 1 be very near the office, or he 2 be always in time for work. How I wish that I 3 (live)close to work, so that I 4 not get up so early every day. Yesterday, for example, I would 5 (arrive) in time for work as usual if I hadn’t been caught in a traffic jam. The boss was so angrywith me that he demanded I 6 arrive at work early enough later on, saying that should I be caught late again, he 7 (punish)me.It’s getting late, and I 8 stop anything and go to bed, or I would get up late. Anyhow, it’s time that I9 (go) to sleep, and I’d rather I 10 (arrive) at work on time tomorrow. It would be bad to be caught arriving late again.B语法填空[2017湖南长沙四校模拟]A recent study shows that most adults did household chores 41 (active) when they were young. Most kids today do not do as many household chores as before, 42 same study shows.An expert says, "Parents today want their kids to spend more time 43 things that can bring them money and honour. They have stopped 44 (do) the one thing that can bring success. That is doing household chores."Another study finds that compared with the kids 45 didn’t do household chores, young adults beginning chores at ages 3 and 4 were more likely 46 (succeed). They had better family relationships, did better in school, performed better at work and were more independent.Personal happiness 47 (say) to come from strong relationships. It begins by learning to be kind and 48 (help) to their parents at home.If your kids say they have to skip chores because it’s time they 49 (deal) with their homework, you’d better not let them off the hook. If you do, your child may think grades are more important than caring about others. "What may seem like small 50 (message) at the moment add up to big ones over time," says an expert.C短文改错[2018福建福州八县(市)一中联考]As teenagers, we should attach great important to reading. Reading can benefit from us teenagers a great deal. Firstly, reading improves our school grades. Secondly, reading helps us expanding our horizons. Thirdly, reading may contribute to finding solutions to their own problems. Finally, reading is a enjoyable experience.It is strongly suggested that our spare time is made full use of read as much as possible. We teenagers should stay devoted to read what we are interested in. Besides, we should active participate in some activities that are related to reading, what we can not only get our knowledge enriched but also gain a lot of pleasure.答案专题十二情态动词和虚拟语气题组1 情态动词的基本用法1.can 句意:Samuel是我们班最高的男孩,他能轻易地够着书架顶层的书。

2019年全国高考英语试题分类汇编:情态动词与虚拟语气类单选【含答案解析】

2019年全国高考英语试题分类汇编:情态动词与虚拟语气类单选【含答案解析】

A10 情态动词与虚拟语气30. A10[2018·安徽卷] People are recycling many things which they ________ away in the pas t!A.had thrown B.will be throwingC.were throwing D.would have thrown30.D 考查虚拟语气。

根据in the past可知,说的是过去情况,对过去情况的推测或评说,应使用“情态动词+完成式”结构。

句意:现在人们回收利用很多东西,而过去他们会将这些扔掉。

故选D。

27.A10[2018·北京卷] ________I have a word with you? It won't take long.A.Can B.MustC.Shall D.Should27.A 考查情态动词。

根据上下文可知,说话人在请求听话人允许短时间内的一个交谈。

can表示“能不能”,故选A。

34.A10[2018·北京卷] We ________back in the hotel now if you didn't lose the map.A.are B.wereC.will be D.would be34.D 考查虚拟语气。

根据条件状语从句中if we didn't lo se the map可知,主从句都是对现在情况的假设,所以选D。

30. A10[2018·全国大纲卷] Although you ________ find bargains in London, it's not generally a cheap place to shop.A. shouldB. needC. mustD. can30.D 考查情态动词。

句意:尽管你能在伦敦找到便宜货,但是它一般不是购物便宜的地方。

此处can意为“能”。

2019版高考英语北京专用一轮教师备用专题六 情态动词和虚拟语气 含解析 精品

2019版高考英语北京专用一轮教师备用专题六 情态动词和虚拟语气 含解析 精品

题组一情态动词1.My book, The House of Hades, is missing. Who have taken it?A.needB.mustC.shouldD.could2.Although you find bargains in London,it’s not generally a cheap place to shop.A.shouldB.needC.mustD.can3.Life is unpredictable;even the poorest become the richest.A.shallB.mustC.needD.might4.—I’ve prepared all kinds of food for the picnic.—Do you mean we bring anything with us?A.can’tB.mustn’tC.shan’tD.needn’t5.I still remember my happy childhood when my mother take me to Disneyland at weekends.A.mightB.mustC.wouldD.should6.You be Carol.You haven’t changed a bit after all these years.A.mustB.canC.willD.shall7.It was so noisy that we hear ourselves speak.A.couldn’tB.sho uldn’tC.mustn’tD.needn’t8.—Sorry,Mum!I failed the job interview again.—Oh,it’s too bad.You have made full preparations.A.mustB.canC.wouldD.should9.You be careful with the camera.It costs!A.mustB.mayC.canD.will10.You feel all the training a waste of time,but I’m a hundred percent sure later you’ll be grateful you did it.A.shouldB.needC.shallD.may11.My room is a mess, but I clean it before I go out tonight.I can do it in the morning.A.daren’tB.shouldn’tC.needn’tD.mustn’t题组二虚拟语气1.If we adequate preparations,the conference wouldn’t have been so successful.A.haven’t madeB.wouldn’t makeC.didn’t makeD.hadn’t made2.If my car more reliable,I would have driven to Lhasa instead of flying last summer.A.wasB.had beenC.should beD.would be3.If he had spent more time practising speaking English before,he able to speak it much better now.A.will beB.would beC.has beenD.would have been4.—It rained cats and dogs this m orning.I’m glad we took an umbrella.—Yeah,we would have got wet all over if we.A.hadn’tB.haven’tC.didn’tD.don’t5.Eye doctors recommend that a child’s first eye exam at the age of six months old.A.wasB.beC.wereD.is6.—Do you think George has passed the driving test?—No.If so,he his car to our college yesterday.A.would driveB.droveC.would have drivenD.had driven7.I to my cousin’s birthday party last night,but I was not available.A.wentB.had goneC.would goD.would have gone8.I should not have laughed if I you were serious.A.thoughtB.would thinkC.had thoughtD.have thought9.My mom suggests that we eat out for a change this weekend.A.shouldB.mightC.couldD.would10.They were abroad during the months when we were carrying out the investigation,or they to our help.A.would have comeB.could comeC.have comeD.had come11.We would rather our daughter at home with us,but it is her choice,and she is not a child any longer.A.would stayB.has stayedC.stayedD.stay12.It was John who broke the window.Why are you talking to me as if I it?A.had doneB.have doneC.didD.am doing13.People are recycling many things which they away in the past.A.had thrownB.will be throwingC.were throwingD.would have thrown14.If Mr.Dewey present,he would have offered any possible assistance to the people there.A.wereB.had beenC.should beD.was15.I wish I at my sis ter’s wedding last Tuesday,but I was on a business trip in New York then.A.will beB.would beC.have beenD.had been16.It might have saved me some trouble the schedule.A.did I knowB.have I knownC.do I knowD.had I known17.It is lucky we booked a room,or we nowhere to stay now.A.hadB.had hadC.would haveD.would have had18.Ellen is a fantastic dancer.I wish I as well as her.A.danceB.will danceC.had dancedD.danced19.Without his wartime experiences,Hemingway his famous novel A Farewell to Arms.A.didn’t writeB.hadn’t writtenC.wouldn’t writeD.wouldn’t have written20.I was wearing a seat belt.If I hadn’t been wearing one,I.A.were injuredB.would be injuredC.had been injuredD.would have been injured21.Had the governments and scientists not worked together, AIDS-related deaths since their highest in 2005.A.had not fallenB.would not fallC.did not fallD.would not have fallen22.If it for his invitation the other day,I should not be here now.A.had not beenB.should not beC.were not to beD.should not have been23.—Do you have Betty’s phone number?—Yes.Otherwise, I able to reach her yesterday.A.hadn’t beenB.wouldn’t have beenC.weren’tD.wouldn’t be24.not for the support of the teachers, the student could not overcome her difficulty.A.It wereB.Were itC.It wasD.Was it答案精解精析题组一情态动词1.答案D句意:我的书《哈迪斯之屋》丢了。

高三英语一轮语法复习情态动词和虚拟语气课件

高三英语一轮语法复习情态动词和虚拟语气课件

1. 对现在或将来的推测(结构:情态动词+do) 情态动词可以用来表示对现在或将来的情况进行推测 She could be lost. 她可能迷路了。 注意 如果是对现在或未来正在发生的事情进行推测,可以使用“情 态动词+be doing”结构。 My friend may be still sleeping at home now. 我的朋友现在可能正在家里睡觉。
(2)表示推测,表示“肯定,一定”之意,此时,must只用于肯定句。在否定句 或疑问句中,用can / could。
(3)表示“偏偏,非要,硬要”,有时表示不巧,有时表示固执,
通常都是指令人不快的事。
4. shall的用法
(1)用于第二、三人称,表示说话人的命令、警告、强制、允诺、威胁或 决心等。
考点3 “情态动词+have done”表示责备的语气
可用于表责备语气的情态动词有:should, ought to, could, might, need等,它们常被用来表示说话人对过去事情的不满或遗憾,带 有较强 烈的责备语气,其结构为“情态动词+have done”。
1. should(ought to)have done“本应该……” 表示过去应该做而(实际)没有做的事情,含有责备或遗憾的语 气,其否定形式为“should not/ought not to have done”。should have done 还可以用来表示惊讶、赞叹等情绪 2. could/might have done “本来能够(会)……” 表示过去本来能够(可以)做某事,但实际上没有做到。 3. need+have+done “原本需要做……” 表示本来需要做某事而没有做,“needn’t+have+done”则表示“本来 不必做某事而做了”。

高考英语一轮复习情态动词和虚拟语气复习

高考英语一轮复习情态动词和虚拟语气复习

课题北京清华大学附属中学朝阳学校高考英语一轮复习情态动词和虚拟语气复习教学目标知识与技能The students will be able to distinguish the different usages of the modal verbsand choose the correct form of subjunctive mood according to various contexts. 过程与方式The students are required to examine some sentences using the modal verbs andsubjunctive mood, and then try to find out the differences by themselves and laterlearn to make a conclusion.The students will begin to consolidate what they have found through variousexercises.The students are required to reflect what they have learnt in heart after class andthen re-think the exercises.感情态度与价值观The students will be more active in the process of learning English and moreconfident of their learning ability through inductive teaching methods.教学重点The different usages of the modal verbs; modal verbs + have done; the structures of the subjunctive mood教学难点How to guide them to find the differences and some similarities between them. 教学方式Self-study method, inductive method, practicing method, etc.教学用具The multi-media, Blackboard, worksheet课时放置 2 periods教学内容设计与反思板书设计:教学内容设计与反思Step 1 情态动词考题印证1.—Good morning. I've got an appointment with Miss Smith in the Personnel Departme nt.—Ah,good morning. You ________ be Mrs. Peters.A.might B.must C.would D.can2.—I haven't got the reference book yet,but I'll have a test on the subject next month. —Don't worry. You ________ have it by Friday.A.could B.shall C.must D.may3.—May I take this book out of the reading room?—No,you ________. You read it in here.A.mightn't B.won't C.needn't D.mustn't4.Jack described his father,who ________ a brave boy many years ago,as a strong-willed man.A.would be B.would have beenC.must be D.must have been情态动词的基本用法1.can 和could的用法(1)暗示惊讶,常用在否认句和疑问句中。

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2019版高考英语一轮复习专题训练第二部分专题十二情态动词
和虚拟语气
1.[2017天津,2]My room is a mess, but I clean it before I go out tonight.
I can do it in the morning.
2.[2016北京,31]I love the weekend, because I get up early on Saturdays and Sundays.
3.[2015四川,2]You be careful with the camera. It costs!
4.[2015北京,34]If I (see) it with my own eyes, I wouldn’t have believed it.
5.[2015重庆,7]Without his wartime experiences, Hemingway (write)his famous novel A Farewell to Arms.
6.[2014江西,30]Life is unpredictable; even the poorest become the richest.
7.[2014陕西,23]We would rather our daughter (stay) at home with us, but it is her choice, and she is not a child any longer.
8.[2013天津,9]No one be more generous; he has a heart of gold.
9.[2013新课标全国Ⅱ,6]Since nobody gave him any help, he have done the research on his own.
10.[2013江苏,30]I should not have laughed if I (think) you were serious.
11.[2015四川改错]What do you think I should do? If you are me, would you talk to them?
12.[2014新课标全国Ⅱ改错]We can lie on the grass for a rest, or sat by the lake listening to music.
答案
1.needn’t 句意:我的房间里乱糟糟的,不过我今天晚上出门之前没必要打扫,我可以上午打扫。

根据空后的"I can do it in the morning."及句意可知,空处表示"没有必要"。

2.needn’t 句意:我喜欢周末,因为在星期六和星期天我不需要早起。

语境表示"不需要,不必",故用needn’t。

3.must 句意:你一定要小心这个相机。

它很贵的!根据语境可知,空格处用must"一定"。

4.hadn’t seen 句意:如果不是亲眼所见,我是不会相信的。

根据主句谓语"wouldn’t have believed"可知,这里考查的是if条件句中对过去情况的虚拟,if条件句中应用过去完成时,故答案为hadn’t seen。

5.wouldn’t have written 句意:没有战争时的经历,海明威不会写出他的著名小说《永别了,武器》。

该句使用了含有without 的含蓄虚拟语气,依据语境可知,这里是对过去情况的假设,因此主句用"would+have done"结构。

6.might 句意:生活是不可预料的,即使是最贫穷的人也可能成为最有钱的人。

might表示"可能"。

7.stayed 句意:我们宁愿我们的女儿和我们待在家里,但是这是她的选择,她不再是个孩子了。

would rather意思是"宁愿",后接宾语从句,从句中常用虚拟语气,如果是对现在或将来情况的虚拟,从句谓语用一般过去时。

8.could 句意:不会有人比他更慷慨了,他有一颗金子般的心。

could"能,可以"。

9.must 句意:因为没有人给他任何帮助,他一定是独自进行研究的。

由"Since nobody gave him any help"可知,主句谓语部分表示对过去的情况把握较大的肯定推测,所以主句谓语应用must have done的形式,表示"一定做了某事"。

10.had thought 句意:如果我认为你是认真的,我就不会笑了。

题干为虚拟条件句,由主句的谓语形式可知,此处表示对过去情况的虚拟,所以条件从句的谓语形式应为had done。

11.are→were从句意看,第二句是一个虚拟语气的主从条件复合句,此处的条件从句应该用一般过去时。

12.sat→sit根据句子结构可知,lie和sat是并列关系,由于在情态动词can之后,所以应用动词原形。

故把sat改为sit。

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