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1、李仕才1234注意虚拟条件句与主句的谓语动词与现在事实或将来可能的事实相反，从句用一般过去时(be用were)；与将来可能的事实相反时还可用were to/should动词原形，主句用would/should/could/might动词原形；与过去事实相反，从句用过去完成时，主句用would/should/could/might have过去分词。5读语篇，悟语法。反复朗读下列短文，领悟画线及黑体部分。思考：什么情况下用虚拟语气；虽同是虚拟语气，但什么情况下用过去式表示，什么情况下用(should动词原形)表示。My deskmate, Mary, treats me as if she we
2、re1 my sister. She is nice but fat. If she were not so fat，she would look2 like a super model. Last year, a doctor advised that she (should) eat3 more vegetables and fruits. He also made a suggestion that she (should) work out4 regularly. Besides, he insisted that she (should) walk5 to school. If sh
3、e had followed the doctors advice, she would not be so fat now6. In other words, if the doctor had persuaded her to do so, she would not have become7 overweight.6This morning, Marys mother bought her a new dress. It was really nice. But after she tried it on, she couldnt help shouting, “If only I we
4、re8 a little thinner! How I wish I hadnt eaten9 so much junk food before！” Were I Mary, I would make10 a weight loss plan. If I became overweight in the future，I would do11 sports every day. Now it is high time she changed12 her lifestyle. Without a healthy lifestyle, she wouldnt be13 able to lose w
5、eight. I would rather she went14 swimming with me, but she insists that water sports are15 not suitable for her. So it is necessary that she (should) walk16 to school.71在as if/as though，even if/even though引导的状语从句或表语从句中，与现在事实相反时，从句的谓语动词用一般过去时；与过去事实相反时，从句的谓语动词用过去完成时。2表示与现在事实相反的假设，if从句的谓语动词用一般过去时，(be一般
6、用were)，主句的谓语用would/should/could/might动词原形。83 5.在 insist， suggest， advise， order， command， propose， demand， require，request等后面的宾语从句的谓语动词用“should动词原形”，其中的should可以省略。在suggestion，advice，order，command，demand，requirement，request等名词后面的表语从句或同位语从句中，谓语动词用“should动词原形”，其中的should可以省略。6错综条件句：有时if从句中的动作与主句动作发生的时间不
7、一致，这时动词的形式应根据他们表示的时间加以调整。本句的虚拟条件句与过去事实相反，主句与现在事实相反。97表示与过去事实相反的假设，if从句的谓语形式用过去完成时，即“had过去分词”，主句用“would/should/could/mighthave过去分词”。89.在表示愿望的动词wish后的宾语从句和If only(但愿)引出的句子中，需用虚拟语气。表示与现在事实相反，从句或if only后的句子的谓语动词用一般过去时；与过去事实相反，从句或if only后的句子的谓语动词用过去完成时。10如果if从句中含有were，had或should，可将if省略，然后将were，had或should
8、提前至主语前，即从句可用半倒装。1011表示与将来事实相反的假设，if从句的谓语形式用一般过去时，或用“were to/should动词原形”，主句用“would/should/could/might动词原形”。12在It is (high) time that后的从句中，谓语动词用“should(不能省略)动词原形”或一般过去时都可以。13含蓄条件从句：用连词otherwise，or，but或用介词but for，without等暗示前面的条件。与现在事实相反，谓语动词用一般过去时；与过去事实相反，谓语动词用过去完成时。其中介词but for，without表示的虚拟语气，可和if引导的假设
9、条件状语从句替换。1114would (had) rather，would sooner用来表达主观愿望，它们之后的宾语从句中需用虚拟语气。谓语动词用一般过去时表示与现在或将来相反，用过去完成时表示与过去事实相反。15动词insist表“坚持认为，坚持说，坚持某种说法”；suggest表“暗示，表明”时，后面从句不用虚拟语气。16在it is necessary (important，natural，strange，surprising) that引导的主语从句中，主语从句中的谓语动词用“(should)动词原形”。12.单句填空(用所给词的适当形式填空)1If I _(be) you, I
10、would do it in a different way.2If you had followed my advice just now, you _(be) fine now.3He hesitated for a moment before kicking the ball, otherwise he _ (score) a goal.4If I _(have) a million dollars, I would first donate some of the money to poor children in remote mountainous areas.5The docto
11、r ordered that she _(stay) in bed for a few days.werewould bewould have scoredhad(should) stay136It is very important that you _(master) the skills of computer.7English teachers give advice that we _(make) good use of every chance to speak English.8It is high time that we _(take) some measures to pr
12、otect the wild animals.9How I wish every family _(have) a large house with a beautiful garden!10Janes pale face suggested that she _(be) ill, and her parents suggested that she _(have) a medical examination.(should) master(should) maketook/should takehadwas(should) have14.单句改错(下列每句中有一处错误，每处错误仅涉及一个单词
13、的增加、删除或修改，请指出并改正。)1How I wish there are 28 hours a day so that I had more time for fun._2Had he worked hard years ago, he would become very rich._3If I were a boy again, I will remember that a good skater never tries to skate in two directions at once._4But the fact that China is also affected by th
14、e global economic crisis, we would have fewer workers now._arewere在become前加havewillwould在But后加for155It might have been done better if you have been more careful._6I actually believe that we would be in Xian now if you hadnt caught drunk while driving last month._7It is high time that we establish an
15、 honest and fair system of education. _8Mr. Li, my English teacher, speaks English as if he is an Englishman._9Tibet is so mysteriously described by some people that I think if only I can go there._10Id rather he goes to the theatre tomorrow._第二个havehad在caught前加beenestablishestablished或在establish前加s
16、houldiswerecancouldgoeswent16.语篇填空(阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空白处填入1个适当的单词或括号内单词的正确形式。)Tom and Peter are twins. They look as if they 1._ (be) the same person. Both the two boys are smart, but Tom is hardworking while Peter is lazy.Tom always wins the first place in the exams, which suggests that he 2._ ( be ) hardworking. Peter could do better，3._ he doesnt want to work hard.People believe if Peter 4._ (work) as hard as Tom，he would do as well as his brother in his study.17At home, their parent
