初中英語語法虛擬語氣PPT學(xué)習(xí)教案

1、會計學(xué)1初中英語語法虛擬語氣初中英語語法虛擬語氣1.英語動詞有三種語氣， 陳述語氣，祈使語氣和虛擬語氣。（見課本P 170頁）。2. 定義：用來表示說的話不是事實，或者是不可能發(fā)生的情況，而是一種愿望，建議，假設(shè)的語氣叫虛擬語氣。第1頁/共21頁一、虛擬語氣在條件狀語從句中的用法條件從句 If 從句的謂語形式主句的謂語形式現(xiàn)在過去未來did / werehad donewould/could/should/might +V.(原)would/could/should/might+have+p.p.1. did / were2. should do3. were to dowould/could

2、/should/might + V.(原)第2頁/共21頁1. If I had HIV, I would know because I would feel sick.2. If I were you, I would give AIDS patient a hug.3. If I had taken your advice, I wouldnt have made a mistake.4. If he had been there, it wouldnt have happened.與現(xiàn)在事實相反與過去事實相反第3頁/共21頁5. If it should rain tomorrow, t

3、hey wouldnt go for an outing.6. I think we could do it, if we planed it properly and could borrow the tools.7. If we were to have three days off , we would enjoy a very happy life.與未來事實相反第4頁/共21頁二、虛擬語氣特殊句型：1. wish + 賓語從句現(xiàn)在：過去：未來：過去時 (did/were)過去完成時 (had done)would/could/might+V. shouldI wish I were

4、a bird. (現(xiàn)在)I wish I hadnt made such a mistake. (過去)We wish our parents wouldnt punish us. (未來)第5頁/共21頁2. would rather that -現(xiàn)在：過去：未來：I would rather you paid me now. (現(xiàn)在)I would rather you had gone, too. (過去)Dont come. I would rather you came tomorrow. (未來)過去時過去時過去完成時第6頁/共21頁3. as if /though + 從句現(xiàn)在：

5、過去：過去時過去完成時He looks as if he were drunk.They talked as if they had been friends for years.She loves the baby as if it were her own son.It seems as if it were spring.I remember the whole thing as if it had happened yesterday.第7頁/共21頁4.Its (about/high) time +that -should +V.過去時你該走了。我們該睡覺了。Its high tim

6、e that you went.Its high time that you were going.Its high time that you should go.Its time that we went to bed.Its time that we should go to bed. 第8頁/共21頁5. 表示要求，命令，建議的虛擬語氣。1.賓語從句。常見動詞：一個堅持：insist兩個命令：order, command 三個建議：advise, suggest, propose四個要求：demand , require, request, desire 這些動詞后面的賓語從句要使用虛

7、擬語氣用法。即從句中的動詞 使用should + 動詞原形，或者將should省略。第9頁/共21頁我們建議Tom去休息一下。他堅決要求我到場。國王命令囚犯明天要實施死刑。他們要求我們派他們?nèi)ツ莾汗ぷ?。We suggested that Tom (should) have a rest.He insisted that I (should) be present.The king ordered that the prisoners (should) be killed the next day.They requested that we (should) send them to work

8、 there.第10頁/共21頁 以上動詞相應(yīng)的名詞構(gòu)成的名詞性從句（包括主語從句，表語從句和同位語）也要使用虛擬語氣。從句中的動詞形式一樣。 order, advice, suggestion, proposal, demand, request, desire第11頁/共21頁Its suggested that the plan be carried out.My demand is that she should come to see me once a week.All of us are for the advice that the chemical factory shoul

9、d be closed down.第12頁/共21頁6.without和but for 構(gòu)成虛擬。(but for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.第13頁/共21頁7. If only (要是

10、就好了) If only I knew his name!If only we had followed your advice!If only I could see him again!要是我們的父母能和我們住在一起就好了。要是我沒錯過火車就好了！If only our parents could live with us!If only I hadnt missed the train!第14頁/共21頁8. Its necessary /strange/ natural/ important + that - 從句中的動詞要用虛擬，即(should)+動詞原形 It is import

11、ant that we ( should ) master a foreign language. It is strange that she refuse to come to the party. Its necessary that we should study hard.第15頁/共21頁9. Its +high time+ that - 從句中的動詞要用虛擬，即 should+動詞原形. 也可用動詞過去時態(tài)。It is high time that we should pay more attention to our environment.It is high time th

12、at we payed more attention to our environment.第16頁/共21頁10. 某些簡單句的固定句型： Heaven help him! God bless you! May you succeed! Long live the Peoples Republic of China!第17頁/共21頁三： 虛擬語氣假設(shè)條件句型注意點：1.假設(shè)條件從句謂語動詞發(fā)生的時間與主句所假設(shè)的謂語動詞不一致，叫做錯綜條件虛擬語氣。主句和從句的謂語動詞要依照假設(shè)的時間而頂。If the weather had been finer, the crops would be

13、growing still better.If you had followed the teachers advice, you wouldnt be in the hospital.第18頁/共21頁2.假設(shè)條件虛擬倒裝。 條件從句中有should， were， had三個助動詞可以把if省略，并將這三個詞提至句首。If I were you, I would give it up.Were I you, I would give it up.If it were not for your advice, we couldnt have got over the difficulties.Were it not for your advice, we couldnt have got over the difficulties.第19頁/共21頁If