高三一轮语法复习--虚拟语气
2025届高三英语一轮复习语法专题+虚拟语气+课件
If he had set out earlier, he would be home now. 如果他早点出发，他现在也该到家了。
虚拟语气
虚拟语气表示说话人所说的不是事实， 而是一种假设、愿望、怀疑或推测。主 要用于If引导的非真实条件从句。
Fill in the blanks.
lessons yesterday, he _w_o_u_l_d_n_’t__h_a_ve_ (have) so m有a时ny在di非ffi真cul实tie条s n件ow句.中，主句中谓语动词所 表示的动作和从句中谓语动词所表示的动作 不是同时发生的，这时动词的形式需要按照 各自的时间来进行调整。
含蓄条件句 假设的情况不用条件从句表
7. Much labour would have been saved if electronic computer _h_a_d_b_e_e_n__in_v_e_n_t_e_d__ (invent) before.
8. — Well done, Jack！ — Thanks. But given more time, I _c_o_u_ld__/_w__o_u_ld__/_m__ig_h_t__h_a_v_e_d_o_n_e (do) it better.
虚拟语气中类似if用法的其他句型
I wish I were a bird. I wish I had been here last night. I wish I could be of more use in the future.
现在：did（were）
wish 过去：had done
将来：would (could) do
含蓄条件句
高中英语高考高考英语语法总复习课件：虚拟语气 (共82张PPT)
【例11】 When a pencil is parted in a glass of water, it looks as if it _____(break)_. 【例12】 Eliza remembers everything exactly as if it ______ (happen)yesterday.
主句 would/should/could/might
If he didn’t come tomorrow, we would put off the meeting.
主过将从过， 主过将完从过完 would do/did would have done/had done
【例1】 If we ______ (take)the other road, we might have arrived here in time for the meeting.
【例13】 Look at the terrible situation I am in! If only I ______ (follow)your advice. 知识扩展：follow/take sb's advice
【例13】 Look at the terrible situation I am in! If only I had followed (follow)your advice. 知识扩展：follow/take sb's advice
做题时注意：动词的形式根据它所表示的时间作出相应的调整
一分为二，先找时间再判断时态。
【例4】
If we ______ （book）a table earlier, we couldn’t be standing here in a queue.
2025届高三英语一轮复习语法虚拟语气课件
3.would rather 专题
would rather sb. did 宁愿让别人做一件事(虚拟语气）
My mother always tells me that she would rather I were happier. I feel upset today,so I would rather you invited me to dinner tomorrow.
虚拟语气
目录
CONTENTS
01 什么是虚拟语气 02 虚拟语气的一般用法 03 虚拟语气特殊用法
什么是虚拟语气
虚拟语气表示与事实相反或虚假的，难以实现的 情况，有时也表示主观愿望，建议或某种强烈情
感，也用虚拟语气 -.跟真的相差的远
虚拟语气的一般用法if
①如果你是我眼中的一滴泪，我就永 远不会哭泣。
只需要把已经写好的句子时态变成它的过去式就好了
If you were a tear in my tears,I would never cry. If I was a dog last night,I could sleep in bed with you. 过去式还有过去式嘛？过去完成时 Had+done If I had been a dog last night,I could sleep in bed with you. sleep→slept 对吗 错误
3.would rather 专题
would rather do sth.than do sth. 宁愿做某事而不做某事(不是虚拟语气）
I would rather marry an old lady than stay with you.
高三英语虚拟语气知识点
高三英语虚拟语气知识点虚拟语气是英语语法中的一种特殊语气，用来表示与事实相反、与现实不一致、或者表达愿望、建议、命令、要求等情态。
掌握虚拟语气的用法对于高三英语考试非常重要。
本文将介绍虚拟语气的常见用法及例句。
一、与现在事实相反的虚拟语气虚拟语气常用于表示与现在事实相反的情况。
以下是一些常见的虚拟语气用法：1. 与现在事实相反的虚拟语气：如果主句是现在时，从句用过去时。
例句：- If I were you, I would study harder.（与现实相反）- I wish I had more time to travel.（与现实相反）2. 表达建议、要求或命令等的虚拟语气：主句用“should”或“ought to”引导，从句用动词原形。
例句：- It is necessary that she should arrive on time.（建议）- He demanded that they leave immediately.（命令）二、与过去事实相反的虚拟语气虚拟语气还可以用来表示与过去事实相反的情况。
以下是一些常见的虚拟语气用法：1. 与过去事实相反的虚拟语气：如果主句是过去时，从句用过去完成时。
例句：- If he had studied harder, he would have passed the exam.（与过去事实相反）- I wish I hadn't eaten so much.（与过去事实相反）2. 表达愿望、建议或命令等的虚拟语气：主句用“should”或“ought to”引导，从句用动词原形或过去时。
例句：- It is high time that he applied for a job.（建议）- I wish he would stop talking.（愿望）三、与将来事实相反的虚拟语气虚拟语气还可以用来表示与将来事实相反的情况。
以下是一些常见的虚拟语气用法：1. 与将来事实相反的虚拟语气：如果主句是将来时，从句用过去完成时。
高三英语一轮复习语法专题学案5：专题3 情态动词和虚拟语气
虚拟语气（1）虚拟语气的基本用法（2）含蓄虚拟条件句这样的虚拟句不含有if从句，而是以but for/without/or/otherwise等引导的句子代替if从句，主句的谓语动词的形式与前面虚拟语气的基本用法相同。
（3）虚拟语气的倒装当虚拟条件句中含有were，had，should，could等动词时，可以将if省略，然后将were，had，should，could 等词移至句首。
（4）错综虚拟语气主从句指的是不同的时间，根据上下文的意思采用不同的谓语动词形式。
（5）主语从句中的虚拟语气：It is ＋形容词／动词的过去分词/名词＋主语从句的结构中，从句的谓语动词须用动词原形或should ＋do的形式常用的这类词有：形容词：advisable、natural、anxious、necessary、better、regretful、desirable、strange、surprising、important过去分词：decided、recommended、demanded、requested、desired、required、ordered、suggested名词：duty、pity、no surprise、regret、no wonder、shame（6）宾语从句中的虚拟语气①wish后的宾语从句wish(that)+ did/were(would/should do) 表示与现在或将来相反；had done(would/should have done) 表示与过去相反。
②某些动词表示愿望、要求、建议和命令等。
从句形式为：（should）+动词原形常用的动词有：advise、order、command、decide、propose、demand、recommend、request、require、insist、suggest、urge注意：insist表示“坚持认为，坚持说”时，从句中不用虚拟语气；表示“坚持要求”时，从句用虚拟语气。
高中英语高考语法知识整理复习(虚拟语气+倒装句)
高考英语虚拟语气一、虚拟条件句中的虚拟语气1、表示与现在事实相反的情况从句：If+主语+did (be动词用were)主句：主语+ should/would/might/ could + doIf I were you, I would take an umbrella.如果我是你，我会带把伞。
（事实：我不可能是你）If I knew his telephone number, I would tell you.如果我知道他的电话号码，我就会告诉你。
（事实：不知道）If there were no air or water, there would be no living things on the earth.如果没有水和空气，地球上就不会有生物。
(事实：地球上既有空气也有水)2、表示与过去事实相反的情况从句：If+主语+ had + done主句：主语+should/would/might/could+have doneIf I had got there earlier, I should/would have met her.如果我早到那儿，我就会见到她（事实：去晚了）。
If he had taken my advice, he would not have made such a mistake.如果他听我的劝告的话，就不会犯这样的错误了。
（事实：没有听我的话）3、表示与将来事实相反的情况从句：①if+主语+were to do②if+主语+should+do③if+主语+过去式（be动词用were）主句：主语+should/would/might/could+doIf he should come here tomorrow, I would talk to him.如果他明天来这儿的话，我就跟他谈谈。
（事实：不可能来）If there were a heavy snow next Sunday, we would go skating.如果下周日下大雪，我们就去滑冰。
虚拟语气+课件+2023届高考英语一轮复习
Review-Adverbial clauses of condition 条件状语从句复习
再观察以下句子
学习新知
If the city hadn’t built the underground system, getting around wouldn’t be so convenient. 观察本句，并回答以下问题： 这个句子是不是虚拟条件句？ 有没有遵循上述表格中的规律？ 与上述表格中的规律有何不同？
Review-Adverbial clauses of condition 条件状语从句复习
Please translate the following sentences into English. 1.如果你改正错误，那么下一次你会取得进步。 If you correct your mistakes, you will make progress in the next time.
主将从现
学习新知—条件句中的虚拟语气
观察下面的句子，回答下面问题
1.If this airport hadn’t been constructed, our city wouldn’t have attracted so many tourists.
2.If a bigger airport were built, travelers’ experiences should be greatly improved.
学习新知——其他情况
回答下面问题：
1.这些能够表示虚拟语气的词在意义上有何共性？ 2.上面句子虚拟语气表示形式与前两种情况有不 同之处吗？相同的地方呢？
高中 英语一轮复习语法考点专练 (情态动词和虚拟语气)
英语一轮复习语法考点专练考点7情态动词和虚拟语气1.When I was a child,I_______watch TV whenever I wanted to.2.Her eyes are red.She_______________(be)crying last night.3.Look！The road is wet.It_________________(rain)last night.4.It is a pity that he_____break a leg just before we go on holiday.5.You_____try telephoning Mr Smith;he______be home now.6.If I had enough money now,I____________(buy)a car.7.You______________(see)the famous film Wolf WarriorⅡas you know so much about the plot(情节)．8.If he had listened carefully,he_________(do)it better.9.I wish I_______(have)a chance to talk with you about my writing before you left.10.There is a good social life in the village,and I wish I_______(have)a second chance to become more involved.11.It is time that he goes to bed but he is still watching TV.12.It is strange that he knows so much about me.13.She strongly suggests that I am responsible for the project.____________14.According to the schedule,it is requested that he will leave for Shanghai on Monday.15.The new secretary will be supposed to report to the manager as soon as she arrives.16.As is known to all.many changes have been taken place in the last thirty years in China.17.We can chose between staying at home and taking a trip.18.She could have received the parcel,for I sent it one month ago.19.一What has happened to George?—I don’t know.He must have got lost.20.She needn’t have left school,for her bike is still here.21.阅读下面材料，在空白处填入适当内容（1个单词）或括号内单词的正确形式。
高考英语一轮复习：虚拟语气(五)
高考英语一轮复习：虚拟语气（五）姓名：__________ 班级：__________学号：__________一、单选题1.—Do you think George has passed the driving test?—No. If so, he ______ his car to our college yesterday.A. would driveB. must have drivenC. would have drivenD. had driven2.If we _______ adequate preparations, the conference wouldn't have been so successful.A. haven't madeB. wouldn't makeC. didn't makeD. hadn't made3.________it in the flesh, I would never have known the flood in Thailand is so serious and people are suffering so much.A. Had I not seenB. If I did not seeC. Should I not seeD. Were I not seen4.I________ to my cousin's birthday party last night，but I was not available.A. wentB. had goneC. would goD. would have gone5.I ________ able to catch the first flight home, but my watch betrayed me.A. wereB. had beenC. would beD. would have been6.I will make a preparation for my experiment this afternoon. Otherwise I ______ to KTV with you last night.A. would have goneB. had goneC. should goD. have had gone7.If he ________ his teacher's suggestion, he would have won the English Speech Contest.A. had followedB. should followC. was to followD. followed8.— Your little brother is watering the flowers! Why?—Well, I'm not feeling very well today—otherwise I ________ it myself.A. didB. would be doingC. had doneD. would have done9.I did better, but I still wasn't as focused as I ________.A. should doB. should have beenC. should beD. should have done10.— I want to do business via online platforms like Alibaba.— _____ it work out, I am sure, your products may go all over the world.A. CouldB. ShallC. WouldD. Should11.We more places of interest yesterday, but we lost our way in that small village.A. would have visitedB. was visitingC. would visitD. had visited12.Studies show that historical barriers on women acceptance in organizational environments, the development of the company would already be way ahead.A. were it not forB. if there being noC. hadn't it been forD. if it is not for13.The doctor recommended that you _____ swim after eating a large meal.A. wouldn'tB. couldn'tC. needn'tD. shouldn't14.If I hadn't been faced with so many barriers, I _____where I am.A. won't beB. wouldn't have beenC. wouldn't beD. shouldn't have been15.The requirement of the government is that the citizens not set off fireworks from January 1, 2019 on.A. shallB. shouldC. canD. may二、语法填空16.His suggestion ________ the meeting be delayed was turned down.17.What (will) you do if you won the lottery? （所给词的适当形式填空）18.If I hadn't met Jim in the library that day, I ________ (miss) the chance of owning a true friend.19.I would have come earlier, but I________ (not know) that you were waiting for me.20.I recommend that you ________ (talk) to your friend about his behavior. （用所给单词适当形式填空）21.The captain commanded that his crew 1 (take) a rest before the daybreak, but some of them still worked on the deck.22.The command was that the lecture hall ________ (decorate) thoroughly to welcome the famous professor.23.It was required that all members (respond) to the matter as soon as possible.24.If people had got the warning earlier, they wouldn't ________ (panic) at the sudden attack of epidemics.25.She suggested that the parents meeting (hold) on Saturday afternoon.26.My mother would rather I________ (focus) more attention on my studies. (所给词的适当形式填空)27.If they (start)earlier than expected, they would be here now.28.If you (have) everything ready yesterday, you would not be in such a hurry now.29.The doctor recommended that I ________ (stay) a few more days in hospital.30.—I hate the way she speaks to me.—Me too. She always does it as if she ________(be) your mother.答案解析部分一、单选题1. C2. D3. A4. D5. D6. A7. A8. B9. B10. D11. A12. A13. D14. C15. B二、语法填空16. that17. would18. would have missed19. didn't know20. (should) tallk21. (should) take22. be decorated23. respond24. have panicked25. (should) be held26. focused27. had started28. had had29. (should) stay30. were。
高考英语一轮复习(语法)-虚拟语气
高考英语一轮复习（语法）——虚拟语气一、语气的定义和种类l、语气：语气是动词的一种形式，它表示说话人对某一行为或事情的看法和态度。
2、语气的种类：(1)陈述语气: 表示动作或状态是现实的、确定的或符合事实的，用于陈述句、疑问句和某些感叹句。
如：We are not ready. 我们没准备好。
What a fine day it is!多好的天气啊!(2)祈使语气: 表示说话人的建议、请求、邀请、命令等。
如: Open the door, please。
请打开门。
(3)虚拟语气: 表示动作或状态不是客观存在的事实，而是说话人的主观愿望、假设或推测等。
如: If I were you, I should study English. 如果我是你，我就学英语了。
May you succeed! 祝您成功！二、虚拟语气在条件从句中的用法条件句有两类，一类是真实条件句，一类是虚拟条件句。
如果假设的情况是有可能发生的，就是真实条件何。
在这种真实条件句中的谓语用陈述语气。
如: If it doesn’t rain tomorrow, we will go to the park. 如果明天不下雨，我们就去公园。
如果假设的情况是过去或现在都不存在的，或将来不大可能发生的，则是虚拟条件句。
如: I f he had seen you yesterday, he would have asked you about it. 如果他昨天见到你，他会问你这件事的。
(事实上他昨天没见到你，因此也未能问你这件事。
)在含有虚拟条件句的复合句中，主句和从句的谓语都要用虚拟语气。
现将虚拟条件从句和主句的动词形式列表如下:从句主句与现在事实相反动词的过去式（be的过去式一般用were） would/ should/ could/ might + 动词原形与过去事实相反 had + 过去分词 would/ should/ could/ might + have + 过去分词与将来事实相反动词过去式，should + 动词原形，were to + 动词原形 would/ should/ could/ might + 动词原形注: 主句中的should只用于I、we，但在美国英语中，should常被would代替；从句中的should 可用于各种人称。
语法专题：虚拟语气+课件-2025届高三英语一轮复习
答案核对：
1.were broke
2.had driven
3.had
4.continued
5.would have finished 6.would have caught 7.knew 8.had been
9.主语+谓语（虚拟语气）, but+主语+谓语（陈述语气） I would have bought the book, but I didn’t have enough money.
10.Were+主语+表语, 主语+would/could/should/might do... Were I you(=if I were you), I would take the job.
7.I wish I ___________(know) what is happening there in his room. 8.If there ___________(be) no water in the world, everything would have died. 9.If I ____________(be) in your position, I would help him. 10.If you had spoken clearly, you would _____________(understand). 11.If you ___________(watch) that late movie last night, you wouldn’t be so sleepy. 12.I _______________(buy) the beautiful gift, but I had no money. 13.Yesterday, Jane walked away from discussion. Otherwise, she _______________(say) something she would regret later.
高三虚拟语气语法知识点
高三虚拟语气语法知识点在高三英语学习中，虚拟语气是一个重要的语法知识点。
掌握虚拟语气的用法，不仅可以提高语言表达的准确性，还能够帮助我们更好地理解和阅读文本。
本文将为大家介绍关于高三虚拟语气的几个重要知识点。
一、虚拟语气的基本用法虚拟语气是一种表达假设、愿望、建议等非真实情况的语气，分为与现在事实相反的虚拟和与过去事实相反的虚拟。
虚拟语气常常由动词的过去式或should/were等形式来表示。
下面是一些常见的虚拟语气用法：1. 与现在事实相反的虚拟：- If I were you, I would study harder.（与现实相反的假设）- I wish I had more time to travel.（对现在情况的非真实愿望） - It is high time that he stopped procrastinating.（表示应当发生但事实尚未发生的情况）2. 与过去事实相反的虚拟：- If he had arrived on time, he would have caught the train.（与现实相反的假设）- I wish I hadn't made that mistake.（对过去情况的非真实愿望） - If I had known, I would have helped you.（对过去未知情况的推测）二、虚拟语气在条件句中的用法虚拟语气经常出现在条件句中，条件句分为三种类型：与现在事实相反的虚拟条件句、与过去事实相反的虚拟条件句和对将来可能情况的虚拟条件句。
下面是对应的用法：1. 与现在事实相反的虚拟条件句：- If he were here, he would help you.（如果他在这里，他会帮助你。
）- If I had a lot of money, I would travel around the world.（如果我有很多钱，我会环游世界。
高中英语2025届高考语法复习情态动词与虚拟语气知识讲解
高考英语语法复习情态动词与虚拟语气知识讲解一、情态动词（1）表示能力时，can只用于一般现在时，could仅用于一般过去时；而be able to则有更多的时态，如将来时、完成时等。
I haven’t been able to read that report yet.He will be able to skate as well as you.（2）Was/were able to表示能力时，侧重经过努力而成功做到某事；而could仅表示具备能力，不说明是否实施了能力。
He studied hard and was able to pass the exam.（3）用在其他动词，如might,may,would,want,hope等之后表示能力只能用be able to。
He might be able to fix your car.（1）must还可以表示质问或感情色彩，意为“偏要，偏偏”。
Why must it snow on Saturday?（2）should还可以表示惊奇、愤怒、失望等特殊情感，尤其用在以why,who,how等开头的疑问句中或某些感叹句中。
why should you be so late today?（1）must作“必须”讲的一般疑问句，其肯定回答用must，否定回答用needn’t或don’t have to。
-Must I pay now?-Yes, you must./No, you needn’t.（2）need还可以作实义动词，有人称和数的变化，后跟带to的不定式作宾语。
She needed to go out for a walk.（1）两者在表示过去的习惯动作或行为时常可通用。
When we were children, we would/used to go skating every winter.（2）Used to与would都不能与表示具体频率、次数的词及特定的时间状语或具体的一段时间连用。
高三英语一轮语法基础复习——虚拟语气课件
语气是动词的一种形式，它表示说话人对某一行为或事情的 看法和态度。
语气的种类有： (1) 陈述语气：表示动作或状态是现实的、确定的或符合事 实的，用于陈述句、疑问句和某些感叹句。 (2) 祈使语气：表示说话人的建议、请求、邀请、命令等。 (3) 虚拟语气：表示动作或状态不是客观存在的事实，而是 说话人的主观愿望、假设或推测等。
一、虚拟语气用于表示与事实相反或假设
1. 虚拟语气用于非真实条件句中 条件句有两类，一类是真实条件句，一类是虚拟条件句。 如果假设的情况是有可能发生的，就是真实条件句。这种真 实条件句中的谓语用陈述语气。 If it doesn’t rain tomorrow, we will go to the park.（如果明天不 下雨，我们就去公园。）(假设情况可能发生) 如果假设的情况是过去或现在都不存在的，或将来不大可能 发生的，则是非真实条件句（虚拟条件句）。含有虚拟条件句的 复合句中，主句和从句的谓语都要用虚拟语气。
（如果你接受了医生的建议，你现在就会好多了。）(从句表示 时间为过去，而主句表示的动作为现在)
If Tang Ning were in town, I would have heard about it.（要是唐 宁在城里，我肯定早已听说了。）
一、虚拟语气用于表示与事实相反或假设
注：(2) 有时假设的条件不通过条件从句表达出来，而是隐 含在某些词或短语中，或隐含在上下文中，这种叫含蓄虚拟语气。 常见的这类词或短语有：without (要是)没有；in case 万一，以防； but for 要不是；supposing 假如；for fear that 以免；otherwise/or 否则。
Should he come (＝If he should come), tell him to ring me up. （他要是来了，让他给我打个电话。）
高考语法复习之虚拟语气
2．主语从句 在“It is/was/has/had been suggested＋that引导的主语从 句”中，主语从句要用虚拟语气， 即“should＋动词原形”结 构，其中should可以省略。和suggest用法一样的动词还有 demand，order，advise，require，propose等。 另外，在“It is/was important(necessary，desirable， advisable等)＋that引导的主语从句”中，从句也常用虚拟语气， 谓语用“should＋动词原形”结构，其中should可以省略。 It is suggested that the building (should) be pulled down. It is necessary that a doctor (should) be sent for at once.
A
.
(2010· 浙江，10)
A．would have been saved
解析
句意为：如果我知道这个电脑程序，就会节省大量的
时间和精力。由上句“Had I known”可知，从句为与过去事 实相反的虚拟条件句，省略了if，那么主句谓语形式应为 would have done。
领悟语法
Ⅰ.用所给词的适当形式填空 1．Had we been here a bit earlier，we would have been (be) able to catch the last bus. 2．If you had taken (take) my advice，you wouldn’t be
虚拟语气
一、以if条件从句为虚拟语气标志 时态 与现在事 实相反 从句动词形式 did 主句动词形式 Would/could/sho -uld/might do
2025届高三英语一轮复习语法虚拟语气课件
(3)用在”It + is/was + natural/necessary/strange/important等+that…” 以及”It is/was + insisted/suggested/ordered等 +that…”结构中的that引导的主语从句中。
发挥学科组集体备考的优势，学科组内任务分解、责任到人，每次考试变 式训练的预测由组长把关。学科组坚持“一课一研”、“一考一研”，新老教师步 调一致，节奏有序，充分发挥分工协作的集体教研智慧。
三是找准学科增分点 认真研究本省、本市、本校近年来的高考数据，细化到每一个知识点的得
Without air, there would be no living things in the world. 没有空气，世界上就没有生物。
But for your help, we couldn’t have finished the work on time. 要不是你的帮助，我们不可能按时完成这项工作。
② Should+动词原形
动词原形
③ Were to+动词原形
➢ If I were you, I would choose to work in a small town. 如果我是你，我会选择在小城镇工作。（与现在事实相反）
➢ If he had taken your advice, he would have passed the driving test. 他如果采纳了你的建议，就会通过驾照考试了。（与过 去事实相反。）
高中英语一轮复习语法第28讲：虚拟语气
虚拟语气在英语表达中，说话人说话的口气即语气。
除了语调之外，最主要的是需要使用动词的不同形式来表现各种语气。
英语中一共有三种语气：陈述语气、祈使语气和虚拟语气。
日常生活中大多数的句子都使用陈述语气，祈使句使用祈使语气。
本章主要着重讲解虚拟语气的用法，因为虚拟语气只在某几类句子中才使用，这种特殊性决定了虚拟语气在高中语法学习中的重要性。
典型例句：1.She is a pretty little girl.她是一个俊俏的小姑娘。
（陈述语气）2.Have a good holiday!（祝你）假日愉快！（祈使语气）3.If you love her,you wouldn’t say that.假如你爱她，你就不会说出那种话。
（虚拟语气）一、虚拟语气用于条件句1.非真实条件句虚拟语气可用于条件句中，条件句分为两种：一种是真实条件句，另一种是非真实条件句。
只有在非真实条件句中才用虚拟语气，在真实条件句中，要用陈述语气。
真实条件句：如果假设的情况完全不存在或者实现的可能性很小，可以说几乎没有时，就需要用虚拟语气来表示，也就是说，这时的条件句是非真实的条件句。
此时的句子时态比真实条件句中的时态后退一步。
非真实条件句（以do和be为例）：重要：在非真实条件句中，如果谓语动词是be，一般要用were，特别是在较正式的文体中；在口语中，除了If I were you结构中的were不能改动外，在第一、三人称后，有时可用was。
在与将来事实相反的条件从句中，几种结构中所表示的可能实现的程度有区别：were to do可能性最小；should+do可能性稍大一些。
如果表示否定的意思，多用过去时结构，用should和were to较少。
2.错综时间条件句有时在非真实条件句中，主句中谓语动词所表示的动作和条件从句中谓语动词所表示的动作并不是同时发生的，这时动词的形式并不完全按照上述表格来进行，而需要按照各自的时间来进行调整，这样的句子就叫错综时间条件句。
2025届高考英语一轮复习基础语法精讲及真题练习专题06情态动词与虚拟语气含解析
专题06 情态动词与虚拟语气情态动词概念：情态动词具有词汇意义，但意义不够完整，不能单独做谓语。
情态动词表示说话人的语气和看法。
一、情态动词概览had better/would(一)can, could(二)may, might(三)must, have to(四)shall(五)should, ought to(六)will, would(七)need, dare(八) had better， would rather（九）情态动词＋have done1．对过去发生的事情或状态进行推想昨晚确定下雨了，因为路很泥泞。
The boy might have known the truth, but I am not quite sure.那个男孩或许知道了真相，但我不是很确定。
I didn't see her in the meeting room this morning. She couldn't have spoken at the meeting.我今日上午没在会议室望见她，她不行能在会议上讲话。
2．表示“与过去事实相反”You could have done better, but you didn't try your best.你本可以做得更好，但是你没有尽力而为。
I needn't have taken the umbrella, for the weather is fine.天气这么好，我本没必要带雨伞的。
You ought to have done this exercise more carefully.你本应当更细致地做这个练习。
You might have given him more help, though you were busy.你本可以给他更多帮助，虽然你当时很忙。
单句语法填空/单句改错1．(2024·北京高考)In today's information age, the loss of data ________ cause serious problems for a company.2．(2024·全国卷Ⅲ)Truly elegant chopsticks might ________ (make) of gold and silver with Chinese characters.3．(2024·四川高考改编)You ________ be careful with the camera.It costs!4．(2024·全国卷Ⅱ)As a kid, I loved to watch cartoons, but no matter how many times I asked to watch them, my parents would not to let me.________________5．(2024·全国卷Ⅱ)We can chose between staying at home and taking a trip.________________6．(2024·天津高考改编)I can't find my purse. I could ________ (leave) it in the supermarket yesterday, but I'm not sure.7．(2013·全国卷Ⅱ改编)Since nobody gave him any help, he ________ have done the research on his own.8．(2013·浙江高考改编)I ________ (enjoy) myself more — it was a perfect day.9．(2024·天津高考改编)I needn't worried before I came to the new school, for my classmates here are very friendly to me.________________1. 解析：can 句意：在如今的信息化时代，丢失数据可能会给一个公司造成严峻的问题。
备考2023年高考英语一轮复习30：虚拟语气
备考2023年高考英语一轮复习30：虚拟语气一、单选题(共20题；共40分)1．（2分）He looked as if he ________________ ill for a long time.A．was B．Were C．has been D．had been2．（2分）The workers requested that their working conditions ____________.A．must be improved B．be improvedC．would be improved D．were improved3．（2分）If only he ____________ quietly as the doctor instructed, he would not suffer so much now.A．lies B．lay C．had lain D．should lie4．（2分）—"Where have you been?"—"I got caught in traffic; otherwise _______________ sooner."A．I would be here B．I have been hereC．I had been here D．I would have been here5．（2分）It is strongly recommended that the machines ______every year.A．check B．be checked C．checked D．checking6．（2分）Without your kind help, I ________ anywhere close to the success I achieved.A．wouldn't have been B．wouldn't beC．can't have been D．might not be7．（2分）Had the governments and scientists not worked together, AIDS-related deaths since their highest in 2005.A．had not fallen B．would not fallC．did not fall D．would not have fallen8．（2分）He would have been willing to accompany me _______ him how important it was to me.A．if I have told B．had I toldC．should I tell D．if I could tell9．（2分）___________for the efforts of medical staff, the spread of the novel coronavirus would not be controlled, which astonishes the whole world.A．Were not it B．Were it notC．Had not it been D．If it were10．（2分）But for the rescue team's efforts, more lives ________ in the wreck accident.A．would be claimed B．should have claimedC．would have claimed D．could have been claimed11．（2分）But for the belief that things ______ better soon, many people couldn't have survived the rough time.A．had got B．got C．would get D．will get12．（2分）The explosion in the chemical plant ______ avoided had the county authorities, aiming too much at short－term interests, performed their duties from the beginning.A．should be B．might beC．must have been D．could have been13．（2分）The hard-working girl studies outside, accompanied by her father. Sometimes I can't help wondering whether I _______the same in her position.A．must have done B．would have doneC．would do D．might do14．（2分）— How marvelous our life is with so many digital devices!— Yes. I bet our life ______the same without them.A．isn't B．can't be C．won't be D．wouldn't be 15．（2分）In order to succeed, it is compulsory that you ____work with every fiber of your being.A．might B．should C．could D．must16．（2分）In the bright sunlight the surface of the lake looks as if it ____dotted with shining diamonds.A．is B．were C．will be D．would be17．（2分）If I hadn't been faced with so many barriers, I _____where I am.A．won't be B．wouldn't have beenC．wouldn't be D．shouldn't have been18．（2分）— It's really a pity that you didn't go to see Frozen II last night.— I ________, but I had to prepare for the coming exam.A．would like to B．ought to C．would have D．should have 19．（2分）Unless you are content with what you have, you would not be satisfied even if it ________.A．is doubled B．would be doubledC．will be doubled D．were doubled20．（2分）The manager's order was that the names______ to in his report _______ to Mr Brownimmediately.A．referred; be e-mailed B．referring; should be e-mailedC．referred; were e-mailed D．was referred; must be e-mailed二、语法填空(共20题；共21分)21．（1分）The requirement that students (learn) to protect themselves is successfully carried out in most schools.22．（1分）The doctor recommended that he (stay) a few more days in hospital. 23．（1分）I wish I (not meet) you from the first place.24．（1分）The boy talked and acted as if he (not commit) the crime.25．（1分）They urged that he(eat) more slowly and take smaller bites before they left. 26．（1分）The students urge that the manager of the library (keep) it open during the vacation.27．（1分）The manager put forward a suggestion that we (have) an assistant with too much work to do.28．（1分）In these tough times, it is vital that the crew (work) together to meet the troubles that lie ahead.29．（1分）On the contrary, he insisted that they (leave) enough space for children.30．（1分）It is crucial that people(take) regular exercise to keep healthy.31．（1分）appropriate software, a computer would be a mere box.32．（1分）Jackie looks after his younger sister as if he (be) an adult.33．（1分）He talks about Hong Kong as if he (be) there before.34．（1分）He is old and sick, otherwise he would (work) right now.35．（1分）I wasn't there, otherwise, I (take) that job.36．（1分）It's vital that we (carry) out the operation immediately.37．（2分）Jane's pale face suggested that she (be) ill, and her parents suggested she (have) a medical examination.38．（1分）Due to the lack of money, I recommended that he (avoid) using this expensive piece of equipment.39．（1分）If you(take) my advice then, you wouldn't be in trouble now.40．（1分）He talks as if he (be) to many countries around the world. Don't be taken in byhis fancy words. (所给词的适当形式填空)答案解析部分1．【答案】D【解析】【分析】句意：他看上去好像病了很长时间。
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高三英语语法复习虚拟语气一、条件结果关系的虚拟语气在含有条件的虚拟语气结构中，通常主句是结果，从句是条件。
按照现在、过去和将来三个不同的时间，分别有对应的动词形式。
If he were here, everything would be all right.If it weren’t for their support, we would be in a very difficult position.If I were you, I might tell him the truth.I would /could /might certainly go if I had time.How nice it would be if you could stay a little longer!If I had left a little earlier, I would have caught the train.She could have come if she hadn’t been so busy.If I had had the money last year, I would /might / could/ should have bought a house.If I were to ( should ) do it, I would do it in a different way.If there should be something wrong, they would let you know at once.We wouldn’t lose courage even if we should ( were to ) fail again.4. 错综时间条件句带条件从句的虚拟语气，主句和从句的时间可能不完全一致，这时主句和从句的谓语动词要根据各自所指的不同时间选用适当的虚拟语气形式。
这种句子被称为错综条件虚拟语气，或混合时间虚拟语气。
如：He would be dead now if the doctor had not operated on him right away.If I were you, I wouldn’t have missed the film last night.If you were in better health, we would have allowed you join them in the work.If we hadn’t been working hard in the past few years, things wouldn’t be going so smoothly.If my grandfather were alive, he would have been 100 next year.5. 含蓄条件句有时，虚拟条件不一定是由if引导的条件从句，而是其他形式，或者可能根据上下文省略了条件，或者隐含在文字中，这种条件虚拟语气，称为含蓄条件虚拟语气。
这时表示结果的句子要根据自身的时间来确定动词的形式。
If not for their help, the situation would never have been what it is today.（省略句）Born in better times, he would have achieved more in science.（过去分词表示条件）He would be stupid not to accept that suggestion.（不定式表示条件）This same thing, happening in wartime, would amount to disaster.（现在分词表示条件）Without power, there would be no modern industry.（介词短语表示条件）But for the storm, we should have arrived earlier.（介词短语表示条件）We would have done better under more favorable conditions.（more隐含条件）A less difficult problem would have been solved.（less隐含条件）That would have been considered a miracle in the past.（in the past如果在过去）I was ill that day. Otherwise I would have attended the lecture.（otherwise 如果不是这样）We would have given you more help, but he has been so busy.（事实反衬虚拟条件）Anyone else in my position would have done the same.（else隐含条件）A different word would have settled the quarrel.（different隐含条件）Another inch forward, and the snake would have struck.（如果再向前一点点）二、状语从句中的虚拟语气1. 让步条件状语从句中的虚拟语气：even if /even though引导让步条件，主句和从句都用虚拟语气，动词形式分别对应于带条件从句的主句和从句。
如：Even if my mother were here, I would /should say the same thing.Even though it had been a rainy day, I should have gone to see him.2. 方式状语从句中的虚拟语气：as if /as though引导方式状语从句，如果是非真实的情况，也使用虚拟语气。
He treats me as if I were a stranger. （从句动词与主句时间相同）He talked as if he were the witness himself.（从句动词与主句时间相同）They talked as if they had been friends for years.（从句时间先于主句）Why is she looking at me as though she had seen me before? （从句时间先于主句）三、虚拟语气在名词性从句中的应用1. 在动词wish 后的宾语从句中，表示与现在或过去的事实相反、或对于将来的主观愿望，从句通常省略连词that。
should可以省略。
如：I propose that we (should ) set a dead line for handing in the plans.He insisted that we take up the matter at the meeting.He ordered that the letter be mailed at once.The law r equires that everyone take a test for a driver’s license.I think it advisable that he have his car serviced.The United Nations urged that he withdraw his troops.I move / recommend that he go there.常用于主句的谓语动词有：ask, decide, demand, desire, insist, move, order, prefer, propose, request, require, suggest, urge, instruct, persuade, dictate, determined, beg, advise, resolve, intend, argue, maintain, deserve, promise, arrange，等。
以上动词改为被动语态之后，成为It is / was that…的复合句，原来的宾语从句变为主语从句，原有的谓语动词仍然为should +动词原形，should可以省略。
如：It is requested that Mary should give a performance at the party.It is desired that we get everything ready by tonight.It has been decided that the meeting be postponed till next Friday.以上动词如果有对应的形容词，做表语时，其主语从句也有同样的虚拟语气要求；以上动词对应名词的同位语从句，也有同样的虚拟语气要求。
3. It is + adj. that结构中，that为主语从句，从句中的动词用should + 动词原形，表示“应当”的意思，should可以省略。
这类形容词常见的有：compulsory, crucial, essential, obligatory, urgent, necessary,以及表示命令、建议、要求等意义的形容词。
It is important that unite with all that can be united in the work.It is necessary that he be sent there at once.4. It is + adj. that结构中，that为主语从句，从句中的动词用should + 动词原形，should表示惊讶、失望、欣慰、疑惑等语气，不可以省略。
It is a great pity that he should be so conceited.It’s strange that she should have failed to see her own shortcomings.It was extraordinary to me that you should have seen this.It is no wonder that he should be so angry.He just couldn’t believe that the new stadium should be so large.I am sorry that he should be in such poor health.We were surprised that he should be so stubborn.I am still not quite convinced that she should have done so much in such a short time.四、其它句型中的虚拟语气1. 在would rather, would sooner, had better, would as soon, just as soon 的句型中，接动词原形，指现在和将来时间，表示一种主观愿望和选择。