1、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 do3- Come and join us, Jim! - Im sorry I cant . If I _ time, I would certainly go.Awill have Bhave had Chad Dhad had 【答案】C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
2、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
3、，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”：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，
4、但他却没有出现。should have done：本来应该做某事而实际上没做。故选A情态动词5If I _you, I _the army.Aam, would join Bwere ,would joinCam, will join Dwere ,will join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”。如果我是你，我会加入军队。结合语境可知本句描述的是与现状相反的事实，故选B。6 -Tom is always
5、 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【答案】D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+动词原形。根据题意及句型，故选D。考查虚拟语气的用法
6、。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
7、用were .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。9If I _you. I would buy a big house for my parents.Abe Bam Cwas Dwere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
8、以要用虚拟语气，用过去时。故选D.10 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。表示与现在事实相反的事实，该用一般过去时态，所以选B。11If 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，我会穿红色的裙子。此处考查虚拟语气。句中，主句和从句的谓语都要
9、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。12She doesnt stick to her exercises and a balanced diet. If she _, she would remain slim and healthy.Ahad done Bwould do Cdid Dshould【详解】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 do过去将来时；did过去时；should应
10、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。13If I you, I give it to Microsoft research.Aam, will Bam, would Cwere, would Dwas, would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。14The air pollution
11、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 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。故选A。15If I _ you, I _ late for school this morning.Aw
12、ere, 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。if引导的条件状语从句点评：16 Come and join us, Ben! Im afraid I cant. Im too busy now. If I _ time, I would certainly go.Ahad Bwill have Chave had Dhave试题解析：本，来加入我们吧！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
13、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。17If I _ you ,I _ them the story.A. was , tell Bwere , will tell 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。故选C。18If I you, Id take a small present for her.Aam Bis Cwas Dwere1、与现在事实相反：若与现在事实相反，条件从句的谓语用
14、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：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。19I m so busy. If I time, I travel around.Ahave; would Bhave; could Chad; would Dhad; will 我是那么忙。如果我有时间
15、我会周游世界。与现在事实相反故选C。20If 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。21-If I were you, I _ study harderAhad Bwould Cdid D . do 如果我是你，我会学习更努力。结合语境可知本句表示的是对现在的虚拟，故从句中用过去时态，主句中用过去将来时态。选B。22 -What would you do if you won
16、 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。23 If his brother a millionaire（百万富翁）, hed buy her sis
17、ter the expensive car.Awas Bwere Cis Dbe假如他哥哥是百万富翁，他会为她妹妹买这辆昂贵的汽车。虚拟语气的结构为虚拟语气用法归纳 虚拟语气：表示所说的话不是事实，或不可能发生，只是说话人的一种说话人的主观愿望、假设、猜测、建议、或推测。条件状语从句动词过去式（be动词无论人称和数都用were），主句Would/should/could/ Might+动词原形。24I you about it because I dont believe you.A wouldnt rather tell B would rather not to tellC would r
18、ather not tell D wouldnt rather telling根据would rather +not+动词的原型，表示宁愿不做某事句意：因为我不相信你，所以我宁愿不告诉你这件事。Have a . pity 表示同情某人结合句意，故选C考查固定用法。25If I you, I would not do such a silly 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
19、拟语气的用法26Im not free today, If I _ time, 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。所以选B。27If I you, I would rather at h
20、ome and watch TV than to the party.Awas；stay, go Bam；stay, go Cwere；to stay, go Dwere；stay, go句意为：如果我是你，我宁愿在家看电视也不去参加聚会。根据语境，这是一个与现在事实相反的虚拟条件句，主句用would/should+动词原形，从句用一般过去时（be动词用were）。另外，would rather do sth than do sth是固定句型，表示“宁可也不”。考查虚拟条件状语从句。28If I a bird, I _ fly in the blue sky. would Bam;Cwill be; will Dwere; would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。29-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;c
