人教版高中英语选修6 Unit2 Grammar精品课件

1、人教课标人教课标高二高二 选修选修 6Unit 2虚拟语气（二）虚拟语气（二）本节课我们巩固复习虚拟语气，本节课我们巩固复习虚拟语气，主要复习主要复习if条件从句和条件从句和wish宾语从句中宾语从句中表示过去情况的虚拟语气的用法，以表示过去情况的虚拟语气的用法，以及虚拟语气在其他从句中的运用。及虚拟语气在其他从句中的运用。【观察体会观察体会】请看下图及对话，体会表示过去的虚请看下图及对话，体会表示过去的虚拟语气的用法。拟语气的用法。A: Why didnt Peter take his umbrella to work today?B: He didnt know it was going

2、to rain. If he had known it was going to rain, he would have taken his umbrella to work.A: I wonder why John ran by without saying hello.B: He must have been in a hurry.A: Youre probably right. If he hadnt been in a hurry, he wouldnt have run by without saying hello.I didnt know how to get around th

3、e city when I moved here. I was so confused.A: You know, I wish I had known how to get around the city when I moved here. B: Oh, really? Why?A: If I had known how to get around the city when I moved here, I wouldnt have been so confused.B: I know what you mean.表示过去表示过去if条件条件从句从句条件从句的条件从句的谓语谓语had + 过

4、去分词过去分词主句的谓语主句的谓语 should / would / could / might + have +过去分词过去分词wish宾语从句中宾语从句中的谓语的谓语had + 过去分词过去分词虚拟语气特殊句型虚拟语气特殊句型1. wish 的宾语的宾语从句从句现在现在: 过去时（过去时（were）过去过去: 过去完成时过去完成时将来将来: would/could/might + v. should下面我们再来看看其他形式的虚拟下面我们再来看看其他形式的虚拟语气的用法。语气的用法。1. I wish I were a bird. (现在现在)2. I wish I hadnt made s

5、uch a mistake. (过去过去)3. We wish our parents wouldnt punish us. (将来将来)I wish I were as tall as you. 我希望和你一样高。我希望和你一样高。 He wished he hadnt said that. 他希望他没讲那样的话。他希望他没讲那样的话。I wish it would rain tomorrow. 我希望明天下雨就好了。我希望明天下雨就好了。2) wish to do 表达法表达法 wish sb. / sth. to do I wish to see the manager. = I wan

6、t to see the manager. I wish the manager to be informed at once. = I want the manager to be informed at once.2. would rather that现在现在:过去过去:将来将来:e.g. I would rather you paid me now. I would rather you had gone, too. Dont come. I would rather you came tomorrow.过去时过去时过去时过去时过去完成时过去完成时3. as if /though +

7、clause 现在：现在：过去：过去：过去时过去时过去完成时过去完成时在在as if / as though后的从句中，常用一后的从句中，常用一般过去时或般过去时或“would / could / should / might + 动词原形动词原形”来表示与现在或将来表示与现在或将来的事实相反或不太可能实现的事情。来的事实相反或不太可能实现的事情。 They talked as if they had been friends for years. He looks as if he were drunk.e.g. She loves the baby as if it were her ow

8、n son. I remember the whole thing as if it had happened yesterday.4. Its (about/high) time + that过去时过去时should + v.你该走了。你该走了。Its high time that you went.Its high time that you weregoing.Its high time that you should go.我们该去我们该去睡觉了。睡觉了。Its time that we went to bed.Its time that we should go to bed. 5.

9、 without和和but for 构成虚拟。构成虚拟。 but for要不是要不是 Without sunlight, peoples life would be different from today. But for your help, I wouldnt have finished the work. Without your help, I would have failed. But for water, it would be impossible to live in the desert.6. If only 要是就好了要是就好了 e.g. If only I knew

10、his name! If only we had followed your advice! If only I could see him again!要是我们的父母能和我们住在一起就好了要是我们的父母能和我们住在一起就好了! If only our parents could live with us!要是我没错过火车就好了！要是我没错过火车就好了！ If only I hadnt missed the train!7. 在主语、表语、同位语从句中，虚拟语气用在主语、表语、同位语从句中，虚拟语气用“should + 动词原形动词原形”或动词原形来表示。或动词原形来表示。这样的句型有：这样的

11、句型有：It is strange / natural / important / no wonder / impossible / necessary / a pity / . that .；My advice / suggestion / requirement / . is that . 等。等。It is important that we (should) master a foreign language.It is strange that she refuse to come to the party.Its necessary that we should study har

12、d.8. 某些简单句的固定句型某些简单句的固定句型: Heaven help him! God bless you! May you succeed! Long live the Peoples Republic of China! 9. need “不必做不必做”和和“本不该做本不该做” didnt need to do 表示表示: 过去不必做某事过去不必做某事, 事实上也没做。事实上也没做。 neednt have done 表示表示: 过去不必做某事过去不必做某事, 但事实上做了。但事实上做了。e.g. 约翰开车去车站接玛丽约翰开车去车站接玛丽, 所以她不必所以她不必步行回家了。步行回家

13、了。John went to the station with the car to meet Mary, so she didnt need to walk back home. 约翰开车去车站接玛丽约翰开车去车站接玛丽, 所以她本不必步所以她本不必步行回家了。行回家了。 (Mary步行回家步行回家, 没有遇上没有遇上John的车。的车。) John went to the station with the car to meet Mary, so she neednt have walked back home. There was plenty of time. She _. A. mu

14、stnt have hurried B. couldnt have hurried C. must not hurry D. neednt have hurried典型例题典型例题答案答案 D。neednt have done. 意为意为“本本不必不必”, 即已经做了某事即已经做了某事, 而实际上不而实际上不必要。必要。mustnt have done用法不正确用法不正确, 对过对过去发生的事情进行否定性推断应为去发生的事情进行否定性推断应为couldnt have done, “不可能已经不可能已经”。 must not do不可以不可以 (用于一般现在时用于一般现在时) 根据语境，用虚拟语

15、气完成下列对话。根据语境，用虚拟语气完成下列对话。1. A: Why didnt you go to the movies with your friends last night? B: I wasnt in the mood to see a film. If _ _ _ I had been in the mood to see a film, I would have gone to the movies with my friends last night.2. A: Why didnt you do your homework last night? B: I didnt brin

16、g my book home. If _ _ _I had brought my book home, I would have done my homework last night.3. A: I wonder why Mom went to sleep so early. B: She must have had a hard day at the office. A: Youre probably right. If _ _ _ _ she hadnt had a hard day at the office, she wouldnt have gone to sleep so ear

17、ly.4. A: I wonder why my barber cut my hair so quickly today. B: He must have had a lot of customers after you. A: Youre probably right. If _ _ _ _ he hadnt had a lot of customers after me, he wouldnt have cut my hair so quickly today.5. I didnt have my shopping list with me this morning. I forgot t

18、o buy eggs.A: You know, I wish _ _B: Oh, really? Why?A: If _ _ _B: I know what you mean. I had had my shopping list with me this morning, I wouldnt have forgotten to buy eggs. I had had my shopping list with me this morning.6. I wasnt prepared for my English test. I got a low grade.A: You know, I wi

19、sh _ _B: Oh, really? Why?A: If _ _B: I know what you mean. I had been prepared for my English test, I wouldnt have got a low grade. I had been prepared for my English test. 从从A、B、C、D四个选项中，选出可以四个选项中，选出可以 填入空白处的最佳选项。填入空白处的最佳选项。1. We _ Johns name on the race list yesterday but for his recent injury. A. will put B. will have put C. would put D. wou