if引导的虚拟语气条件句

1、虚拟语气 The Subjunctive Mood,虚拟语气,Learning Goals： 1. Knowing what the subjunctive mood refers to. 2.Knowing the difference forms of the subjunctive forms. 3.Master the structure of the subjunctive mood about “if”. 4.Practices.,虚拟语气,概念： 1.表示说话人所说的话不是一个事实，而是一个假设、怀疑、猜测等（常见于条件状语从句或让步状语从句）。 2.表示说话人的愿望、建议、要求

2、、命令等（常见于名次性从句）。 简单来说：不是事实或不大可能发生的事情，用虚拟语气来表述。,If引导的虚拟条件句,注意：要区分if引导的真实条件句和if引导的虚拟条件句 表示虚拟的，几乎无法实现的时候，采用虚拟语气。,If引导的虚拟条件句,TYPES: 特殊：错综时间 / 倒装句省略IF等,一.与过去事实相反 If he had got up earlier, he could have caught the train.,二.与现在事实相反 If I were you, I would buy a red skirt. If I had a million dollars, I would

3、donate 30% of it to the charity.,三.与将来事实可能相反 If it rained tomorrow, I wouldnt attend the party. If it were to rain tomorrow, I wouldnt attend the party. If you should come tomorrow, you would find the new manager working in the office.,特例,1. 错综时间条件句 定义：主句和从句动作发生的时间不同 例1） If they had studied hard, th

4、ey could finish the work in a very short time.如果他们当时刻苦学习，现在就能快速完成这份工作了（从句说明过去，主句说明现在）。 2）If I were you, I would have gone to her birthday party yesterday.如果我是你，我就去参加她昨天的生日聚会了（从句说明现在，主句说明过去）。 要根据动作发生的时间选择恰当的动词形式。,与过去相反，以前没有刻苦学习,与现在事实相反，现在没有快速完成,特例,2.省略If的条件从句 如果条件句中有were/had（助动词）/should时，可使用倒装句结构省略If

5、，把were/had（助动词）/should放句首。如果条件句是否定句时，not应置于主语后，不能与were/had（助动词）/should等缩略成werent/hadnt/shouldnt. 例：Had I seen him then, I would have been very happy. =If I had seen him then, I would have been very happy. Should I have time, I would go with you. =If I should have time, I would go with you. Were I no

6、t so busy, I would go to the concert. =If I werent so busy, I would go to the concert.,Practice,1. If you had told me in advance, I _ him at the airport. A. would meet B. would have met C. would had met D. should meet,Practice,1. If you had told me in advance, I _ him at the airport. A. would meet B

7、. would have met C. would had met D. should meet,2.If it _ tomorrow, I would not attend the party. A. rained B. rains C. had rained D. were to rain 3. I would have gone to the meeting if I _time. A. had had B. have had C. had D. would have had,If it _ tomorrow, I would not attend the party. A. raine

8、d B. rains C. had rained D. were to rain 3. I would have gone to the meeting if I _time. A. had had B. have had C. had D. would have had,If it _ tomorrow, I would not attend the party. A. rained B. rains C. had rained D. were to rain 3. I would have gone to the meeting if I _time. A. had had B. have

9、 had C. had D. would have had,4.If me father _ here now, he _ tell me what to do. A. were; would B. was; ill C. had been; would D. is; ill 5.If he _ my advice, he wouldnt have lost his job. A. followed B. should follow C. had followed D. would follow,4.If me father _ here now, he _ tell me what to d

10、o. A. were; would B. was; ill C. had been; would D. is; ill 5.If he _ my advice, he wouldnt have lost his job. A. followed B. should follow C. had followed D. would follow,4.If me father _ here now, he _ tell me what to do. A. were; would B. was; ill C. had been; would D. is; ill 5.If he _ my advice

11、, he wouldnt have lost his job. A. followed B. should follow C. had followed D. would follow,6.If I _ in the 22nd century, I _ my vocation in a very different way. A. should live; would spend B. will live; should spend C. are living; should have spent D. will be living; would have spent 7. _ it rain

12、 tomorrow, we would have to put off the visit to Mountain Tai. A. Were B. Should C. Would D. Will,6.If I _ in the 22nd century, I _ my vocation in a very different way. A. should live; would spend B. will live; should spend C. are living; should have spent D. will be living; would have spent 7. _ it rain tomorrow, we would have to put off the visit to Mountain Tai. A. Were B. Should C. Would D. Will,6.If I _ in the 22nd century, I _ my vocation in a very different way. A. should live; would spend B. will live; sho