if引导的虚拟条件句练习题
九年级英语虚拟语气与真实条件句辨析练习题30题
九年级英语虚拟语气与真实条件句辨析练习题30题1.If I have time tomorrow, I will go shopping.A.will go shoppingB.would go shoppingC.go shoppingD.went shopping答案：A。
本题是真实条件句，if 引导的条件句表示如果明天有时间，“我”就会去购物，用一般将来时will go shopping。
2.If I were a bird, I could fly in the sky.A.could fly in the skyB.can fly in the skyC.will fly in the skyD.fly in the sky答案：A。
本题是虚拟语气，if 引导的虚拟条件句表示与现在事实相反，“我”不可能是一只鸟，所以用could fly in the sky。
3.If it rains tomorrow, we will stay at home.A.will stay at homeB.would stay at homeC.stay at homeD.stayed at home答案：A。
真实条件句，如果明天下雨，我们就待在家里，用一般将来时will stay at home。
4.If I had a lot of money, I would buy a big house.A.would buy a big houseB.will buy a big houseC.buy a big houseD.bought a big house答案：A。
虚拟语气，与现在事实相反，如果“我”有很多钱，“我”就会买一个大房子，用would buy a big house。
5.If he studies hard, he will pass the exam.A.will pass the examB.would pass the examC.pass the examD.passed the exam答案：A。
if虚拟条件句练习题
if虚拟条件句练习题If虚拟条件句是英语中一个非常重要的语法结构，用来表达假设、推测和虚拟情况。
它由一个if引导的条件从句和一个主句组成，用来描述一个可能发生或者未发生的情况。
在这篇文章中，我们将通过一些练习题来巩固对if虚拟条件句的理解。
练习题1：完成下列句子，使用合适的虚拟形式。
1. If I __________ (be) a bird, I would fly in the sky.2. If she __________ (study) harder, she would pass the exam.3. If it __________ (not rain) tomorrow, we will go hiking.4. If I __________ (have) more time, I would travel around the world.5. If he __________ (not be) late, we would have caught the train.练习题2：改写下列句子，使用与事实相反的虚拟形式。
1. He is not a doctor.If he __________ (be) a doctor, he would save lives.2. They didn't invite me to the party.If they __________ (invite) me to the party, I would have gone.3. She didn't study hard for the test.If she __________ (study) hard for the test, she would have passed.4. I didn't win the lottery.If I __________ (win) the lottery, I would have bought a new car.5. They didn't tell me the truth.If they __________ (tell) me the truth, I would have understood.练习题3：根据给定的情境，用合适的虚拟形式完成下列句子。
虚拟语气专项练习(附答案)
外研版英语虚拟语气专项练习(附答案)一、初中英语虚拟语气1.If I went to the moon, I bring something unusual back to the earth.A.couldB.w川C.wouldD.shall【答案】C【解析】试题分析：此题考查if引导的条件状语从句的相关知识.根据语境可知此句的含义是如果我去月球,我会带回一些不同寻常的东西.这个假设成立的几率很小,故看为虚拟语气. 根据语法知识可知从句要用一般过去时,主句要用过去将来时,过去将来时的根本构成would+动词原形,应选C.考点：if引导的条件状语从句点评：if既可以引导宾语从句又可以引导状语从句.if充当宾语从句的连接词时,相当于whether,词义为"是否",遵循宾语从句的时态规那么,可根据语境选择任何时态；充当附属连词,引导条件状语从句时,词义为"如果",假设主句中的谓语动词用一般将来时,那么从句中的谓语动词通常用一般现在时表示将来.2.She doesn't stick to her exercises and a balanced diet. If she, she would remain slim and healthy.A. had doneB. would doC. didD. should【答案】C【解析】【详解】句意：她没有坚持锻炼和均衡饮食.如果她这样做了,她将保持苗条和健康.考查虚拟语气.had done过去完成时：would do过去将来时：did过去时：should应该；根据后文"would remain ",所以是对现在的虚拟,此处应是did/be动词(were),应选Co3.Luckily, he wasn't driving fast at the time of accident; otherwise, I am sure, it a moreserious accident.A. would beB. wereC. would have beenD. had been【答案】c【解析】【详解】句意：幸运的是,事故发生时他没有开快车：否那么,我相信,这将是一个更严重的事故. 考查虚拟语气.根据"wasn't driving〞是过去进行时,所以此处是对过去的虚拟,主句时态应用情态动词+have done,应选C o4・If I you. I would buy a big house for my parents.A. beB. amC. wasD. were【答案】D【解析】试题分析：句意：如果我是你.我会买一个大房子给我的父母.这道题考查的是假设,所以要用虚拟语气,用过去时.应选D.考点：考查虚拟语气的用法.5.If I invited tonight, I would go to the dinner party.A. wasB. wereC. amD. is【答案】B【解析】试题分析：句意：如果我今晚受到邀请,我会去参加晚宴的.由整个题干可知,现实情况与事实相反,是非真实的情况,是虚拟语气,虚拟语气中be都用were,应选B.考点:考查虚拟语气的用法.6.—A student in my class said to me, "if I our math teacher, I make math learningeasier and more interesting instead of giving the kids much homework to do every day.〞A. were, wouldB. am, willC. was, wouldD. were, will【答案】A【解析】试题分析：句意：我班里的一个学生对我说：如果我是数学老师,我会使数学学习更简单有趣,而不是每天给学生许多作业去做.虚拟语气是一种特殊的动词形式,用来表示说话人所说的话并不是事实,而是一种假设、愿望、疑心或推测.其主要有三种结构：1、与现在事实相反假设与现在事实相反,条件从句的谓语用过去式(be通常用were),主句谓语用“should (would, could, might) +动词原形〞2、与过去事实相反假设与过去事实相反,条件从句的谓语用过去完成时(had+过去分词),主句谓语用"should (would, could, might) +have+过去分词〞3、与将来事实相反假设与将来事实相反,条件从句的谓语用过去式(be通常用were),主句谓语用"should (would, could, might) +动词原形该句描述的是与现状相反的事实应选A.考点：考查虚拟语气.7.If I you , I do that.A. was , wouldB. were ; wouldn'tC. am , won'tD. were , won/t【答案】D【解析】试题分析：句意：如果我是你,我不会那样做.本句是与现在事实相反的虚拟条件句,从句谓语用动词用过去式(be动词一般用were)；主句用should(would,could,might) +动词原形.应选D.考点：虚拟条件句.8.If I you, I would say another student could do it better.A. wasB. wereC. wereD. are【答案】B【解析】【详解】句意：如果我是你,我会说另一个学生可以把它做得更好.考查虚拟语气.根据句意可知"现在事实"相反,此句是虚拟语气,be动词使用were：应选A.9.--What if I have to go there and know nothing about it?---If I you, I would try to find some information about it on the Internet.A. amB. wasC. will beD. were【答案】D【解析】试题分析：句意：一一倘假设我必须去那儿而且对那里一无所知,该怎么办？一一如果我是你,我会在网上查找一些有关那里的信息.根据I would try to find可知主句用的是would+do,可知这是对现在事实的假设的虚拟语气,因此If引导的条件状语从句用一般过去时,根据虚拟语气的用法be 动词在If引导虚拟语气中用were .应选D.考点：考查虚拟语气的用法.10.If I_youj_buy a bike for him.A. was,wouldB. was,couldC. were,wouldD. were,could【答案】C【解析】试题分析：句意：如果我是你,我会给他买一辆自行车.buy sth for sb给某人买某物：本句用的是虚拟语气,表示与现在的事实相反,在虚拟语气中不能用was,而用were,因此选Co考点：考查虚拟语气的用法.11.If I you, I the army.A. am, would joinB. were, would joinC. am, will joinD. were, will join【答案】B【解析】试题分析：句意:如果我是你,我会参军.结合语境可知本句是对客观状况的虚拟,故用过去时态,主句用过去将来时态•选B.考点：if引导的条件状语从句点评：虚拟语气是一种特殊的动词形式,用来表示说话人所说的话并不是事实,而是一种假设、愿望、疑心或推测.判断是真实条件句还是非真实条件句.只有在非真实条件句中才使用虚拟语气.通过句子意思,看假设的条件是否能够实现,能够实现是真实条件句, 不能使用虚拟语气；假设的条件不能实现那么是非真实条件句,要用虚拟语气.判断这个假设是与哪个事实相反.1、与现在事实相反假设与现在事实相反,条件从句的谓语用过去式(be通常用were),主句谓语用"should (would, could, might) +动词原形〞2、与过去事实相反假设与过去事实相反,条件从句的谓语用过去完成时(had+过去分词),主句谓语用“should (would, could, might) +have+过去分词〞3、与将来事实相反假设与将来事实相反,条件从句的谓语用过去式(be通常用were),主句谓语用"should (would, could, might) +动词原形12.—What would you do if you a million dollars?--I'd give it to the charityA. winB. wonC. will winD. is to win【答案】B【解析】试题分析：句意：如果你赢了一百万美元,你要做什么？一一我会把它捐给慈善机构.结合语境可知条件从句中描述的是与将来相反的事实,故用一般过去时态,选B.考点：if引导的条件状语从句点评：虚拟语气是一种特殊的动词形式,用来表示说话人所说的话并不是事实,而是一种假设、愿望、疑心或推测.判断是真实条件句还是非真•实条件句.只有在非真实条件句中才使用虚拟语气.通过句子意思,看假设的条件是否能够实现,能够实现是真实条件句, 不能使用虚拟语气；假设的条件不能实现那么是非真实条件句,要用虚拟语气.判断这个假设是与哪个事实相反.1、与现在事实相反假设与现在事实相反,条件从句的谓语用过去式(be通常用were),主句谓语用"should (would, could, might) + 动词原形〞2、与过去事实相反假设与过去事实相反,条件从句的谓语用过去完成时(had+过去分词),主句谓语用“should (would, could, might) +have+过去分词〞3、与将来事实相反假设与将来事实相反,条件从句的谓语用过去式〔be通常用were〕,主句谓语用"should 〔would, could, might〕+ 动词原形〞：13.You should watched TV. There is so much work to do,A. not haveB. have notC. notD. not having【答案】A【解析】句意“你本不应该看足球比赛,你有许多的工作要做“.此题考查虚拟语气,shouldn't have done本不该做......却做了.根据句意,应选A.14.The workers insisted that they a free lunch every noon and the boss had to do that.A. be givenB. being givenC. will be to giveD. were given【答案】A【解析】句意：工人们坚持要求他们每天中午都有免费的午餐,老板必须这样做.考查虚拟语气.insist坚持,要求,其后面的宾语从句要用虚拟语气,跟虚拟式动词原形或者"should +动词原形〞.结合句意和语境可知选A.15.Mr. White at 8:30 for the meeting, but he didn't show up.A. should have arrivedB. should arriveC. should have had arrivedD. should be arriving【答案】A【解析】试题分析：句意：怀特先生本来应该在8： 30到会,但他却没有出现.should have done：本来应该做某事而实际上没做.应选A考点：情态动词16.If I not so busy J with you .A. was , would goB. were , would goC. was , should goD. were , will go【答案】B【解析】句意“如果我不忙,我就跟你去〞.此题考查对将来的虚拟语气.即“if+过去时,主语+should/would/could/might do〞结构.应选B.点睛：17.----What can I do with so much money?----If I you, I give it away to charity.A. am, willB. am, wouldC. were, wouldD. was, would【答案】c【解析】试题分析：考查虚拟语气.句意你如何处理这些钱？如果我是你,我会把它捐给慈善机构.表示对现在的虚拟,if引导的从句用一般过去时,语句用would do,应选C项. 考点：考查虚拟语气.【答案】D【解析】试题分析：句意：如果天气是好的,我们的运动会就不会推迟了.这里是虚拟语气,根据wouldn't可知这是对现在的虚拟,在条件状语中对现在的虚拟用were： put down镇压,记下；put up提供；put off推迟.根据句意应选D» 考点：考查虚拟语气的用法.18.…Come and join us.---I'm sorry, but I'm busy. If I time, I would go.A. haveB. hadC. will haveD. have had【答案】B【解析】试题分析：句意:来参加我们吧!一一抱歉,但是我正忙着呢.如果我有时间,我会去的.结合语境可知下文从句中是对现在情况的虚拟,故用一般过去时态,选B.考点：虚拟语气点评：虚拟语气是一种特殊的动词形式,用来表示说话人所说的话并不是事实,而是一种假设、愿望、疑心或推测.判断是真实条件句还是非真实条件句.只有在非真实条件句中才使用虚拟语气.通过句子意思,看假设的条件是否能够实现,能够实现是真实条件句, 不能使用虚拟语气：假设的条件不能实现那么是非真实条件句,要用虚拟语气.判断这个假设是与哪个事实相反.1、与现在事实相反假设与现在事实相反,条件从句的谓语用过去式〔be通常用were〕,主句谓语用"should 〔would, could, might〕+动词原形〞2、与过去事实相反假设与过去事实相反,条件从句的谓语用过去完成时(had+过去分词),主句谓语用“should (would, could, might) +have+过去分词〞3、与将来事实相反假设与将来事实相反,条件从句的谓语用过去式(be通常用were),主句谓语用"should(would, could, might) + 动词原形〞：19.—Swimming in the river for teenagers is very dangerous.—So it is. If I them, I a shower at home.A. am; would takeB. were; will takeC.was; would takeD.were; would take【答案】D【解析】试题分析：一在河里游泳对青少年是非常危险的.一确实如此.如果我是他们,我会在家洗澡.if从句表假设,与现在事实相反,be动词那么用were,无论第几人称做主语.主句常用would跟动词原形.应选D.考点：考查固定句式的用法.20.If I a bird, I fly in the blue sky.A. was; wouldB. am; w川C. will be; willD. were; would【答案】D【解析】试题分析：句意:如果我是一只鸟,我就能在蓝色的天空中飞翔.根据句意可知,这里表示的是跟事实不符的情况,是不可能实现的事情,因此这里应该用虚拟语气.在if从句中用一般过去时,主句中用would+动词的原形.应选D.考点：考查虚拟语气.21.Had he studied harder; he the exams.A. must have got throughB. could get throughC. would get throughD. would have got through【答案】D【解析】试题分析：句意:如果他学习再努力一点,他就能通过测试了.must have got through一定通过：could get through 可能通过；would get through 会通过:would have got through 会通过.这句话中Had he studied是一种省略倒装的形式,相当于If he had studied harder,是虚拟语气的用法,从句中用的是过去完成时,这时主句用would+have+过去分词.应选D. 考点：考查虚拟语气.22.— I don/t know what to do.—If I ___ y ou, I ___ buy a guidebook.A. am; willB. am; wouldC. were; willD. were; would【答案】D【解析】试题分析：句意：我不知道做什么？如果我是你,我就会买一本指南.虚拟语气是一种特殊的动词形式,用来表示说话人所说的话并不是事实,而是一种假设、愿望、疑心或推测.其主要有三种结构：1、与现在事实相反假设与现在事实相反,条件从句的谓语用过去式〔be通常用were〕,主句谓语用"should 〔would, could, might〕+ 动词原形〞2、与过去事实相反假设与过去事实相反,条件从句的谓语用过去完成时〔had+过去分词〕,主句谓语用“should 〔would, could, might〕 +have+过去分词〞3、与将来事实相反假设与将来事实相反,条件从句的谓语用过去式〔be通常用were〕,主句谓语用“should 〔would, could, might〕+动词原形〞.根据句意,可知是与现在的事实相反,应选D考点：考查虚拟语气的用法.23.〔题文〕I would wear a shirt and tie to the party if I you. Ifs more polite.A. wereB. will beC. am【答案】A【解析】试题分析：与现在事实相反的虚拟语气,if从句用过去时,主句用would/should/might+动词原形.句意：如果我是你,我就穿衬衫带着带去参加聚会.那样更礼貌.应选A. 考点：考查虚拟语气的用法.24.Sir, you should at the red light. But you didn't.A. stopB. have stoppedC. not have stoppedD. stopped【答案】B【解析】试题分析：句意：先生,你应该在红灯亮时停下来.但你没有.这里用虚拟语气,用情态动词should + have +过去分词,这是对过去的一种虚拟.所以选丸考点：考查虚拟语气.25.If I you, I go there.A. is; willB. is; wouldC. were; wouldD. was; will【答案】C【解析】此题考查虚拟语气,if引导的与现在事实相反的虚拟语气.从句用一般过去式,主句用过去将来时.句意：如果我是你的话,我会去那儿的“1.57. ---What would you do if you a million dollars?---If I you, Td give it to medical research.A. got, were B, win, am C. won, am D. get, were【答案】A【解析】此题是考查的虚拟语气,对于将来的假设,主句用过去将来时,从句用一般过去时,且be 动词为were,应选A2.58. What you if you had a million dollars?A. would, didB. will, doC. would, doD. will, did【答案】C【解析】此题是对于虚拟语气的特殊疑问句的考查,根据句子的结构,选c26.-What would you do if you won a million yuan? -.A. I shall give it to charitiesB. I will buy snacksC. I won't put it in the bankD. Td give it to medical research【答案】D【解析】试题分析：考查虚拟语气.句意：如果你有一百万,你会做什么？我会把它捐给医学研究.根据上文提到What would you do if you won a million yuan这是对现在的虚拟,所以回答时用would do,应选D项.考点：考查虚拟语气.27.If I you, I late for school this morning.A. were, wouldn/t beB. were, wouldn'tC. was, won't beD. am, will【答案】A【解析】试题分析；句意：如果我是你,今天早晨我上学就不会迟到.与现在事实相反,故从句用过去时态,主语用过去将来时态.选项B缺少谓语动词.应选A.考点：if引导的条件状语从句点评：虚拟语气是一种特殊的动词形式,用来表示说话人所说的话并不是事实,而是一种假设、愿望、疑心或推测.判断是真实条件句还是非真实条件句.只有在非真实条件句中才使用虚拟语气.通过句子意思、,看假设的条件是否能够实现,能够实现是真实条件句, 不能使用虚拟语气；假设的条件不能实现那么是非真实条件句,要用虚拟语气.判断这个假设是与哪个事实相反.1、与现在事实相反假设与现在事实相反,条件从句的谓语用过去式〔be通常用were〕,主句谓语用"should 〔would, could, might〕+动词原形〞2、与过去事实相反假设与过去事实相反,条件从句的谓语用过去完成时〔had+过去分词〕,主句谓语用“should〔would, could, might〕 +have+过去分词〞3、与将来事实相反假设与将来事实相反,条件从句的谓语用过去式〔be通常用were〕,主句谓语用"should 〔would, could, might〕+ 动词原形〞.28.-I'm going to Larry's party. But I don't know what to wear.—If I ___ y ou, I wear a dress.A. am; willB. were; willC. were; wouldD. am; would【答案】C【解析】试题分析：根据题干,本句的意思应是“如果我是你,我将穿一件裙子."“我〞是不可能成为"你",所以本句是一个虚拟语气.对于虚拟语•气,从句应该用过去式〔be动词,不管是第几人称,都用were〕,主句用would do,所以此题选C.考点：此题考查虚拟语气.点评：完成此题时注意区分虚拟语气和if引导的条件状语从句.虚拟语气是不可能发生的,是一种假设情况：而if引导的条件状语从句,是有可能发生的.如果不明白这两者的区别,就比拟容易发错.29.— Do you feel tired?---No, I don't. If I were tired, I a rest.A. hadB. would haveC. will haveD. have【答案】B【解析】【详解】句意：一一你感觉累吗？一一不累,如果我累了,我会休息.考查虚拟语气.本句是if条件句,对现在的虚拟,ffl If sb were/did..., sb would/could/should/might do；根据句意结构和语境,应选30.—Peter is going to Larry's party. But he doesn't know what to wear.—If I him, I wear a hat. It makes him cool.A. am, willB. were, willC. were, wouldD. was, would【答案】C【解析】试题分析：句意：-彼得打算参加劳拉的派对,但是他不知道穿什么.-如果我是他,我就戴一顶帽子.那会使他很酷.虚拟语气是一种特殊的动词形式,用来表示说话人所说的话并不是事实,而是一种假设、愿望、疑心或推测.其主要有三种结构：1、与现在事实相反假设与现在事实相反,条件从句的谓语用过去式〔be通常用were〕,主句谓语用"should(would, could, might) + 动词原形〞2、与过去事实相反假设与过去事实相反,条件从句的谓语用过去完成时(had+过去分词),主句谓语用“should (would, could, might) +have+过去分词〞3、与将来事实相反假设与将来事实相反,条件从句的谓语用过去式(be通常用were),主句谓语用“should (wou ld, could, might) +动词原形〞.根据句意可知是于现在的情况相反,应选C考点：考查虚拟语气的用法.31.If I you, I go there at once.A. am, wouldB. were, wouldC. were, willD. am, will【答案】B【解析】试题分析：句意：如果我是你,我会马上去那里.句子用到了虚拟语气,系动词be要用were； will 要用过去式would,结合题意应选九考点：考查虚拟语气.32.If I you, I the job.A. was; will takeB. was; would takeC. were; would takeD. were; will take【答案】C【解析】试题分析：句意：如果我是你,我就要这份工作.If引导的句子是愿望时,用过去式表示,而且系动词用were,主句用would加原形.应选Co考点:考查虚拟语气的用法.33.If I you, I invite him to go to see a movie.A. amjwouldB. were;willC. were;wouldD. was;will【答案】C【解析】试题分析：句意：如果我是你,我会邀请他去看电影.g.to see a movie去看电影；invite sb to do邀请某人做某事：在表达与现在事实相反的虚拟语气中,Be用were,主句用would □考点：考查虚拟语气.34.— Come and join us, Ben!—I'm afraid I can't. I'm too busy now. If I time, I would certainly go.A. hadB. will haveC. have hadD. have【答案】A【解析】试题分析：试题解析：句意：本,来参加我们吧！一一恐怕我不能.我现在太忙.如果我有时间,我一定会去的.结合语境可知条件状语从句中描述的是与现在相反的事实,故条件状语从句中用一般过去时态,故答案为A, 考点：考查虚拟语气.35.—I like drinking wine. But people who drink wine aren't allowed to drive.—If I __ you, I would give up_wine.A. was; to drinkB. am; drinkingC. were; drinkD. were; drinking【答案】D【解析】试题分析：句意：-我喜欢喝酒.但是喝酒的人不允许开车.-如果我是你,我将会放弃喝酒.分析：表示与现在事实相反的情况.其虚拟语气的结构为：从句：if +主语+动词的过去式(be 用were) + 主句:主语 + would (should, could , might) + 动词原形 + ............................. 例如：If I were you, I would read it again.如果我是你的话,我再读一遍.(事实上我不是你),应选D考点：考查虚拟语气及动词短语的用法.。
初三英语虚拟语气练习题50题
初三英语虚拟语气练习题50题1.If I were a bird, I _____ fly freely in the sky.A.canB.couldC.willD.would答案：D。
解析：本题考查对现在情况的虚拟语气。
if 引导的虚拟条件句中，be 动词一律用were，主句谓语动词用“would/could/should/might + 动词原形”。
A 选项can 用于真实条件句；B 选项could 通常表示能力，在这里不如would 更符合虚拟语气的用法；C 选项will 用于真实条件句。
2.If I had a lot of money, I _____ buy a big house.A.canB.couldC.willD.would答案：D。
解析：同样是对现在情况的虚拟语气，if 引导的虚拟条件句中，had 表示虚拟，主句谓语动词用“would/could/should/might + 动词原形”。
A 选项can 用于真实条件句；B 选项could 可表示能力或可能性，此处用would 更合适；C 选项will 用于真实条件句。
3.If I _____ taller, I could play basketball better.A.amB.wereC.wasD.be答案：B。
解析：对现在情况的虚拟语气，be 动词在虚拟条件句中一律用were。
A 选项am 用于真实条件句；C 选项was 一般过去时，不用于虚拟语气；D 选项be 形式不对。
4.If I had enough time, I _____ read more books.A.canB.couldC.willD.would答案：D。
解析：对现在情况的虚拟语气，主句谓语动词用“would/could/should/might + 动词原形”。
A 选项can 用于真实条件句；B 选项could 表示能力，不如would 符合此处的虚拟语气用法；C 选项will 用于真实条件句。
虚拟语气练习题及答案
虚拟语气练习题及答案1. 如果我昨天早一点起床，我就不会迟到了。
- 答案：If I had got up earlier yesterday, I wouldn't have been late.2. 他本应该在会议上发言，但他没有准备好。
- 答案：He should have spoken at the meeting, but hewasn't prepared.3. 要是我知道答案，我就会告诉你。
- 答案：If I knew the answer, I would tell you.4. 她希望她能通过这次考试。
- 答案：She wishes she could pass this exam.5. 要是我没有这么多工作，我就可以和你一起去旅行了。
- 答案：If I didn't have so much work, I could go on atrip with you.6. 我们建议他应该更加小心。
- 答案：We suggest that he should be more careful.7. 如果你当时在场，你会怎么做？- 答案：What would you have done if you had been there?8. 要是他早点告诉我，我就能帮他了。
- 答案：If he had told me earlier, I could have helped him.9. 我本应该更加努力地学习。
- 答案：I should have studied harder.10. 要是他没有生病，他就能参加比赛了。
- 答案：If he hadn't been sick, he could haveparticipated in the competition.答案解析- 虚拟语气通常用于表示与现实相反的情况，或者表达愿望、建议等。
- 虚拟语气的构成通常包括“if”引导的条件句和主句中的“would/should/could/might + 动词原形”。
if引导的虚拟语气练习题
if引导的虚拟语气练习题精品文档if引导的虚拟语气练习题黄志刚2013.10.一. 简介虚拟语气用来表示说话人的主观愿望或假想，而不表示客观存在的事实，所说的是一个条件，不一定是事实，或与事实相反。
虚拟语气通过谓语动词的特殊形式来表示。
英语中的语气分为陈述语气、祈使语气、虚拟语气在什么情况下用虚拟语气?在表示虚假的、与事实相反的或难以实现的情况时用虚拟语气，表示主观愿望或表示某种强烈情感时，也用虚拟语气。
即当一个人说话时欲强调其所说的话是基于自己的主观想法，而不是根据客观实际，就用虚拟语气。
二. 虚拟语气在非真实条件状语从句中的用法1、真实条件状语从句与非真实条件状语从句真:eg . If he doesn’t hurry up, he will missthe bus. 如果他不快点，他将错过巴士。
If he is free, hewill ask me to tell stories. 如果他是空闲的，他会要求我讲故事。
非真:eg. If I were you, I would go at once.如果我是你，我马上就会去。
If there were no air, peoplewould die. 如果没有空气，人就会死亡。
1 / 37精品文档2、用法及动词形式1、表示与现在事实相反的情况，例1.If I were you, I would take an umbrella.如果我是你，我会带把伞。
2.IfI 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。
3.If there were no air or water, there would be no living things on theearth. 如果没有水和空气，地球上就不会有生物。
4.If Ihad any money with me, I could lend you some. 如果我带钱了，我就会借给你些。
if引导的虚拟条件句
If引导的真实条件句(16)： 1. 主将从现 If she shows up, we’ll stick with her. I’ll give you a call if anything comes up. I’ll kick you out if don’t listen to me. 2. 主祈从现 Catch me if you can. Love me if you dare. If he comes, he is going to bring his violin.
3. You didn‘t let me drive. If we _____in turn, you __ ____so tired. (1996年全国高考题) A. drove, didn't get B. drove; wouldn't get C. were driving; wouldn't get D. had driven; wouldn't have got
5. Bob would have helped us yesterday, but he _______ (2010年安徽省高考) A. was busy B. is busy C. had been busy. D. will be busy
6. If he my advice, he wouldn‘t have lost his job. (2010年湖南省高考) A. followed B. should follow C. had followed D. would follow
语法深化
虚拟语气
If引导的虚拟条件句： 1. 与现在事实相反的假设
条件从句 一般过去时 主句 should( would could) +动词原形
精简英语虚拟语气练习30题
精简英语虚拟语气练习30题1. If I were you, I _____ study harder.A. willB. wouldC. shallD. should答案：B。
本题考查if 引导的虚拟条件句中，对现在情况的虚拟，从句用一般过去时，主句用“would + 动词原形”。
A 选项“will”用于一般将来时；C 选项“shall”通常用于第一人称；D 选项“should”意思不符合，所以选B。
2. If she had time, she _____ to the movies.A. will goB. would goC. goesD. went答案：B。
这是对现在情况的虚拟，从句用一般过去时，主句用“would + 动词原形”。
A 选项“will go”是一般将来时；C 选项“goes”是一般现在时；D 选项“went”是一般过去时，但不符合主句的虚拟语气结构，故选B。
3. If I _____ a bird, I could fly.A. amB. wasC. wereD. be答案：C。
在虚拟语气中，be 动词一律用were，不管主语是第几人称。
A 选项“am”是一般现在时；B 选项“was”不符合虚拟语气的规则；D 选项“be”形式不对，所以选C。
4. If it _____ tomorrow, we would stay at home.A. rainsB. rainedC. will rainD. is raining答案：B。
这是对将来情况的虚拟，从句用一般过去时，主句用“would + 动词原形”。
A 选项“rains”是一般现在时；C 选项“will rain”是一般将来时；D 选项“is raining”是现在进行时，都不符合虚拟条件句的规则，故选B。
5. If he _____ early, he would catch the bus.A. gets upB. got upC. will get upD. would get up答案：B。
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if 引导的虚拟条件从句练习题
1.I am sure that Huston Rockets ___ the game, if Yao Ming’s knee had not been hurt.
A. would win
B. might have won
C. will win D, could win
2.____ the truth, he wouldn’t have lent her any money.
A. Jack has known
B. If Jack known
C. Should Jack know
D. Had Jack known
3. This kind of work is hard and dangerous. But ____ you would become rich.
A. would you succeed
B. could you succeed
C. might you succeed
D. should you succeed
4. Given more time and money, he ___ better than what it is.
A. did
B. had done
C. could have done
D. would do
5. Without your encouragement and support, we ___ .
A. should not succeeded
B. would not succeeded
C. would have succeeded
D. would not have succeeded
6. The same thing, happening in war time, ____ great disaster.
A. will amount to
B. amounted to
C. would have amounted to
D. would amount to
7. If I ___ the job, I would do it in a different way.
A. would do
B. do
C. shall do
D. were to do
8. He ___ ten lectures on American history, but the only gave two because of his illness.
A. had given
B. gave
C. should have given
D. must have given
9. Any man in his position ___ like that.
A. have done
B. would have done
C. would be done
D. would be doing
10. Five minutes earlier, I ___ the flight.
A. have caught
B. had caught
C. could have caught
D. were to catch
11. Our director was absent. Otherwise, I ___ the chair.
A. would not take
B. didn’t take
C. hadn’t taken
D. wouldn’t have taken
12. If you explained the situation to your solicitor(律师)，he ___ able to advise you much
better than I can.(2005)
A. would be
B. will have been
C. was
D. were
13. .__ you __ further problems with your printer, contact your dealer (经销商) for advice.
(2005)
A. If, had
B. Have, had
C. Should, have
D. In case, had
14. Had Judy been more careful on the maths exam, she ___ much better results now. (2008)
A. would be getting
B. could have got
C. must get
D. would get
15. If there were no subjunctive mood, English ____ much easier to learn. (2009)
A. could have been
B. would be
C. will be
D. would have been。