高二 unit 2 poems 虚拟语气语法导学案 无答案

1、.*;虚拟语气学案虚拟语气：假如假设的情况是过去或如今都不存在的，或将来也不可能存在，而是一种假设、愿望或建议，那么是虚拟语气。If引导的条件从句的谓语主句的谓语与如今事实相反过去式be的过去式常用werewould/could/might/should + do 与过去事实相反过去完成时had donewould/could/might/should have done与过去的情况相反didshould dowere to dowould/could/might/should + doIf I were you, I would study hard.与如今情况想法If it should

2、rain/were to rain/rained tomorrow, we would not to out.与将来的情况相反If you had attended the meeting yesterday, you would have met her.与过去的情况相反If the new safety system_put to use, the accident would never have happened. If Mr. Dewey _be present, he would have offered any possible assistance to the people

3、there.*在if虚拟条件句中，有were, had, 或should可将if省略，而把were, had, 或should 置于句首。If they were here now, they could help us.= Were they here now, they could help us.If you had come earlier, you would have met him.=Had you come earlier, you would have met him.If it should rain tomorrow, the crops would be saved.=

4、Should it rain tomorrow, the crops would be saved.*含蓄条件句有时候假设的条件不是通过条件句来表达， 而是隐含在某些介词短语中，如 without;连词but for, otherwise, or等中Without music =if there were no music, the world would be dull.But for electricityif there were no electricity, there would be no modern industry.Im really very busy, otherwis

5、e I would certainly go there with you. otherwise=if I were not too busy*混合虚拟语气假设主语和从句表示的时间不一致，就构成了混合虚拟语气，此时，主语和从句的时态形式根据实际的时间概念来定。If she had followed the doctors words, she would feel better now.If I were you, I wouldnt have missed the film last night.If he were to leave, you would have heard about

6、it. If you hesitated this moment, you would suffer in future. If it _for his invitation the other day, I should not be here now.had not been B. should not be C. were not to be D. should not have been if we _book a table earlier, we wouldnt be standing here in a queen.if he had spent more time practi

7、cing speaking English before, he_be able to speak it much better now.*wish 后接宾语从句时，用虚拟语气与如今事实相反： 过去式did： I wish I danced as well as her.与过去事实相反：had done过去完成时 I wish I had been with you yesterday.与将来事实相反： would/could/might/+done We wish the rain would stop.Ellen is a fantastic dancer. I wish I _dance

8、 as well as her.I wish I _be at my sisters wedding last Tuesday, but I was on a business trip in new York them.练习We did not know you were in trouble at that time, otherwise we would_give you a hand.If I _see her next Monday, I would tell her about it.If he _follow my advice, he wouldnt have lost his

9、 job.If he _listen to me then, he would not be in trouble now.Sorry Im too busy now. if I _have time, I would certainly go for an outing with you.If you _get back next week, we would go camping together.I should not have laughed if I _think you were serious.How I wish I _be a bird and could fly free

10、ly in the sky.Peter wishes that he _study law instead of literature when he was in college. George is going to talk about the geography of his country, but Id rather he _focus more on his culture. I would rather you _go to the cinema with me last night.I would rather it _come a week later, giving me

11、 time to sort out the things.But for your help, I couldnt _find the place.I _give you more help, I was too busy then.I was ill that day. Otherwise, I _takepart in the sports meeting.单句改错If I have more time now, I would learn another foreign language.I would rather he paints the wall red next time.If I received your answer, I would have come back two weeks ago.I wish I had a chance to talk to you last night, but you left so early.If you hadnt seen that film late last night, you will not be so sleepy now.He telephoned to inform me of your birthday yesterday, or I would know not