1、若与现在事实相反，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 若与过去事实相反，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 若与将来事实相反，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”：句意：吉姆，来加入我们吧！抱歉，我不能。如果我有时间，我肯定会去的。结合语境可知下文中表示与现在相反的事
2、实，故条件状语从句中用一般故去时态，选C。考查虚拟语气3I dont understand how you got a ticket. I always you a careful driver.Athink; are Bam thinking; areCthought; were Dthink; were【详解】我不明白你是怎么得到罚单的。我一直以为你是一个谨慎的司机。考查动词时态辨析题。本句是虚拟语气，与过去事实相反，需用一般过去时；根据句意结构，可知选C。4- If I_ one million dollars, I would give it to medical research.
3、-If I _ you, I would give it to charity.Awill have, am Bwould have, was Chad, were Dhave, is【解析】考察虚拟语气。第一空，虚拟语气，与现在相反，用过去时。第二空，虚拟语气，与现在相反，用过去时，be动词用were。故选C5-What would you do if you _ a million dollars?-Id give it to the charityAwin Bwon Cwill win Dis to win如果你赢了一百万美元，你要做什么？我会把它捐给慈善机构。结合语境可知条件从句中描述
4、的是与将来相反的事实，故用一般过去时态，选B。if引导的条件状语从句点评：1、与现在事实相反 2、与过去事实相反 3、与将来事实相反 6 If I _Alice, I _them the truth.A. was , would tell B. were ,would tell C. am, will tell Dis , will tell本题的含义是如果我是你，我将告诉他们真相，本题if引导的是一个虚拟的条件句，在虚拟句中，be用were，主句通常用过去的一种，will应该用would，故本题选B。if引导的虚拟条件句。在英文中条件句有两种，一种是真实的条件句，if后遇到将来时用一般现在时
5、，一种是虚拟的条件句，if后用过去时，be用were，在英文的实际使用中应该注意它们的区别。7 -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.Aam Bwas Cwill be Dwere【答案】D倘若我必须去那儿而且对那里一无所知，该怎么办？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
6、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 .故选 D。考查虚拟语气的用法。8I argued with my best friend. What should I do?-If I _ you, I would say sorry to her.Aam Bwas Care Dwere【解析】试题分析：我和我最好的朋友吵架了。我该怎么办？如果我是你，我就对她说对不起。虚拟语气用来表示说话人的主观愿望或假想，所说的是一个条件，不一定是事实，或与事实相反。在虚拟条件语气句中，表示与现在事实相反的事实，条件从句中的谓语动词用过去式（
7、be用were不用was），主句谓语动词为“would+原形动词”，所以选D。考查虚拟语气。9If I _ invited tonight, I would go to the dinner party.Awas Bwere Cam Dis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,故选B。考点: 考查虚拟语气的用法。10If I were invited to the party，I _ a red skirt.A will wear B wear C would wear如果我被邀请参加聚会，我会穿红色的
8、裙子。此处考查虚拟语气。句中，主句和从句的谓语都要用虚拟语气，与现在事实相反的假设，从句（条件句）动词过去式（ be一般用were）;主句（结果句） should /would/ could/ might +动词原形。故答案为C。 11She doesnt stick to her exercises and a balanced diet. If she _, she would remain slim and healthy.Ahad done Bwould do Cdid Dshould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。had done过去完成时；would
9、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），故选C。12I suggest that we Chinese people_Chinese culture with love and joy everywhere we go.Aspread Bspreading Cto spread Dwill spread【答案】A我建议我们中国人无论走到哪里都要带着爱心和欢乐来传播中国文化，考查动词suggest后跟虚拟语气。spread是动词原形；spreading是动名词；to spread是动词不定式
10、；will spread是一般将来时。动词在这里suggest表示建议，后面宾语从句中使用虚拟语气should+动词原形，should可以省略。根据句意说明本句的suggest表示建议，故后面使用虚拟语气，省略了should，故选A。【点睛】 动词suggest 后面可以跟名词作宾语，用于句型“suggest sth.”。如：I suggested a visit. 我提议参观。 suggest 后跟动名词作宾语，如：He suggested going home. 他提议回家。 suggest后面跟that引导 的宾语从句时，用虚拟语气，一般省略情态动词should，所以本题选项是A。13I
11、f I _ you, I _ late for school this morning.Awere, wouldnt be Bwere, wouldnt Cwas, wont be Dam, will试题分析；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。故选A。若与将来事实相反，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”。14If I not so busy ,I with you .Awas , would go Bwere , would
12、goCwas , should go Dwere , will go【解析】句意“如果我不忙，我就跟你去”。本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。故选B。点睛：虚拟情况从句主句对现在的虚拟过去式（be一般用were）should/would/could/might+do对过去的虚拟had+过去分词should/would/could/might+have done对将来的虚拟should+动词原形were+to do15 If I _ you, I _the job.Awas; will take Bwas; would
13、 take Cwere; would take Dwere; will take【答案】 C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。故选C。16If I a boss, I would manage a big factory.Aare BwasCwere Dbe如果我是老板，我会经营一家大型工厂。由句意可知，此句是虚拟语气，if引导的从句应该用过去式的形式，其中第一人称用were，故答案为C。17If I _ you ,I _ them the story.A. was , tell Bwere , will tell
14、Cwere ,would tell Dam. would tell如果我是你，我会告诉他们这个故事。本题考查虚拟语气，if 从句中用一般过去时，主句中用would +动词原形，表示与现在的事实相反。18If I you, Id take a small present for her.Aam Bis Cwas Dwere其主要有三种结构：1、与现在事实相反：若与现在事实相反，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：若与过去事实相反，条件从句的谓语用过去完成时（had+过去分词），主句谓语
15、用“should （would, could, might）+have+过去分词”。3、与将来事实相反：如果我是你，我会给她带一件小礼物。结合语境可知本句描述的是与现在相反的事实，故选D。19If I_you, I_go there at once.Aam, would Bwere, would Cwere, will Dam, will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，结合题意故选B。20- Do you feel tired?- No, I dont. If I were tired, I _a rest.Ahad Bwo
16、uld have Cwill have Dhave你感觉累吗？不累，如果我累了，我会休息。本句是if条件句，对现在的虚拟，用If sb were/did., sb would/could/should/might do；根据句意结构和语境，故选B。21I dont know if he _tomorrow.A Will come Bcomes Ccame Dhas come【解析】考查时态。tomorrow 为将来的时间故用一般将来时态，所以选A。22-Come and join us.- Im sorry, but Im busy. If I _ time, I would go.Ahave
17、 B hadC will have D have had句意:来加入我们吧!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。虚拟语气23If I _ you, I _ buy a bike for him.Awas, would Bwas, could Cwere, would Dwere, could如果我是你，我就给他买一辆自行车。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。表示与现在事实相反，条件从句用一般过去时，be动词习惯用were，主句用should、c
18、ould、would + 原形动词。24 -What would you do if you won a million yuan? - _.AI shall give it to charities BI will buy snacks CI wont put it in the bank DId give it to medical research【答案】D 【解析】 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 ，故选D项。25Th
19、e headmaster with his students Hangzhou Paradise Park if it tomorrow.Ais going to; isnt rainy Bare going to; isnt rainyCis going to; wont rain Dare going to; doesnt rain【解析】考查主谓一致和if从句。with连接几个主语时，与第一个保持一致。排除B、D；if条件句用一般现在时代替将来时，排除C。句意“如果不下雨，班主任和同学明天将要去杭州天堂公园。”故选A。26If I you, I would not do such a s
20、illy thing.Aam Bwas Cwere如果我是你我就不会做那样的傻事。若与将来事实相反，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”该句描述的与现在事实想反，故选C。考查虚拟语气的用法27If I you, Id keep quiet and listen carefully in class.Aam Bwill be Cwere 与现在事实相反：条件从句用动词过去式，主句用would/could/should/might+动词原形；与过去事实相反：条件从句用had done，主句用would/cou
21、ld/should/might+have done；与将来事实相反：条件从句用动词过去式/should+动词原形/were to do，主句用would/could/should/might+动词原形。如果我是你，我上课就会保持安静，认真听课。28Sir, you should_ at the red lightBut you didntAstop Bhave stopped Cnot have stopped Dstopped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B。29 What would you do if you _ a car accident? I will call the police. Amet Bmeet Cwere meeting
