1、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 do3- Come and join us, Jim! - Im sorry I cant . If I _ time, I would certainly go.Awill have Bhave had Chad Dhad had 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、怀疑或推测。判断是真实条件句还是非真实条件句。只有在非
2、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则是非真实条件句，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 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
3、式（be通常用were），主句谓语用“should （would, could, might）+动词原形”：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实，故条件状语从句中用一般故去时态，选C。考查虚拟语气4Mr. White _ at 8:30 for the meeting, but he didnt show up.Ashould have arrived Bshould arriveCshould have had arrived Dshould be arriving【答案】A怀特先生本来应该在8：30到会，但他却没有出现。sho
4、uld have done：本来应该做某事而实际上没做。故选A情态动词5- If I_ one million dollars, I would give it to medical research. -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C6If I _ ten years younger, I _ piano lesso
5、ns and go to a music college.Aam; will take Bwas; took Cwere; will take Dwere; would take【答案】Dif虚拟语气中，对现在的情况进行虚拟，从句谓语动词均用一般过去时（be动词用were）,主句用would/should/could/might+do.句意：如果我再年轻十岁，我会参加钢琴课程并去上音乐大学。故选D.if条件状语从句的虚拟语气点评：虚拟语气是一种特殊的动词形式，中考中有所涉及，但不常见。用来表示说话人所说的话并不是事实，而是一种假设、愿望、怀疑或推测。通常有三种情况：与过去事实相反。与现在事实相
6、反。与将来事实可能相反。7 -Tom is always making so many mistakes in his English exercises! - Yeah. If he _ more careful, he _ fewer mistakes.Awas; will make Bis; would make Cwere; will make Dwere; would make汤姆总是在英语练习中犯那么多的错误！如果他能更细心一些，他就会犯更少的错误。表示与现在事实相反的假设，If+主语+动词过去式（be动词用were），主语+would/should/might/could+动词原
7、形。根据题意及句型，故选D。8 If I _ you , I _ do that .Awas , would Bwere ; wouldntCam , wont Dwere , wont【解析】试题分析：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。故选D。虚拟条件句。9A student in my class said to me, “if I _our math teacher, I_ make math learning easier and more
8、interesting instead of giving the kids much homework to do every day.”Awere, would Bam, will Cwas, would Dwere, will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。其主要有三种结构：1、与现在事实相反 2、与过去事实相反 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”。该句描述的是与现状相反的事实故选A。考查虚拟语
9、气。10If 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。11 If my mother _ I get a grade of 50 in English exam, she would be angry.Aknows Bknew Chas knownDwould know如果我的母亲知道我英语考试成绩是50分，她会生气的。表示与现在事
10、实相反的事实，该用一般过去时态，所以选B。12If I you, I give it to Microsoft research.Aam, will Bam, would Cwere, would Dwas, would【详解】如果我是你，我会把它交给微软研究部。根据If I you，这是一个虚拟语气，此句虚拟语气表示一种不能实现的假设，即与现在事实相反，谓语动词用过去式；该语法主要用于if条件状语从句，本句“如果我是你”，be动词用were，后面主句用过去将来时would动词原形，故答案选C。13If I _ you, I _ late for school this morning.Awe
11、re, 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。if引导的条件状语从句14The air pollution is worse and worse. The government suggests that people _ to work by subway or by bus.Ago Bgoes Cgoing Dto go空气污染越来越糟糕。政府建议人们乘地铁或者乘公交车去上班。考查谓语动词。A. go
12、去；B. goes 去；C. going 在去；D. to go 为了去。这是一个that引导的宾语从句，suggest后跟的宾语从句应用虚拟语气（should）do结构，should可省略。15 I coughed a lot last night. What should I do? If I _ you, I would go to see the doctor at once. Aam Bwere Cwas试题分析: 句意：昨晚我不停地咳嗽，我应该怎么办？哪果我是你，我就会马上去看医生。此句为虚拟语气，与现在事实相反，虚拟语气的条件从句的谓语用过去式（be通常用were），主句谓语用“
13、should （would, could, might）+动词原形”，故选C。 考查虚拟语气。16-What would you do if you _ the traffic accident?-I would _.Asee,do my housework first Bsaw;buy some fruit right awayCsee;call at 110 at once Dsaw;call the police right away考查虚拟语气和情境交际的用法。问句使用了虚拟语气，从句中应使用一般过去时；根据traffic accident，应及时报警。17I m so busy. I
14、f I time, I travel around.Ahave; would Bhave; could Chad; would Dhad; will 我是那么忙。如果我有时间我会周游世界。与现在事实相反故选C。18Peter is going to Larrys party. But he doesnt know what to wear.If I _ him, I _ wear a hat. It makes him cool.Aam, will Bwere, will Cwere, would Dwas, would-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
15、子。那会使他很酷。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3、与将来事实相反根据句意可知是于现在的情况相反，故选C19I 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。20 Im going to Larrys party. But I dont know what to wear.If I _ you, I
16、 _ wear a dress. will Bwere; willCwere; would Dam; would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，不论是第几人称，都用were），主句用would do。所以本题选C。本题考查虚拟语气。完成本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，就比较容易发错。21If I you, I would not do such a silly
17、 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22If it were Sunday today, I_ go to school.Ashant Bwould not Ccant Dwont如果今天是星期天，我将不去上学。虚拟语气用于条件状语从句中，可以表示与现在事实相反的假设，条件状语从句中的谓语动词用“过去式（be动词用were）”，而主句中的谓语动词用“would /
18、 should/ could / might + 动词原形”。如：1.If I were you, I would join the army. 2.If she had time, she should go with you.。由句意可知选B。23If 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/could/should/might
19、+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。24Sir, 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。25Im not free today, If I _ t
20、ime, I _ and help him with you.Ahave, will go Bhad, would go Chave, would go Dhad, will go我今天没空，如果我有时间，我就和你一起去帮助他。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。表示与现在事实相反的假设，虚拟条件句为If+主语+动词的过去式（be动词用were） ，主句为主语+should, would, could, might + 动词原形。26If I _ you, I would give some flowers to her.Aam Bare Cwas Dwere如果我是你
21、，我会送她一些花。这是由if引导的一个虚拟语气句子，表示与现在事实相反的情况，其句型为“ if+ 主语 + 动词的过去式（ be 动词用 were ），主语 +would / could / might / should + 动词原形”。27If 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。28I like drinking wine. But people who drink wine arent allowed to drive.If I you, I would give up wine.Awere; drinking Bam; drinking drink Dwas;to drink考查虚拟语气和非谓语动词的用法。根据句意可知，该句使用了虚拟语气，if引导的从句使用一般过去时，用were；give up后面接动词的现在分词。29What_you do if you had a million dollars ? Awould Bwill Cdid Ddo【解析】考查点：虚拟语气。解题思路：根据句意:如果你有一百万
