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1、 外研版英語精品資料（精修版） M6U4 Grammar 編寫人__ 審核人 Learning aims: 1. Subjunctive mood in unreal conditional clauses. 2. To understand the concept of unreal situations by finishing the related exercises. Step 1: Lead- in 陳述語氣，表示所說的話是事實(shí)。France lies in the west of Europe. 祈使語氣，表示所說的話是請求或命令。M

2、ake yourself at home. 虛擬語氣，表示所說的話只是一種主觀愿望、假想或建議等。Parents only wish their children could succeed. Step 2: 虛擬語氣 ★Subjunctive mood in wish-clauses 1）wish (that) +s + v-ed (were) I wish I were as young as you.（現(xiàn)在） 2）wish (that) +s + had done I wish that I had not met him yesterday. (過去) 3）wi

3、sh that +s + would/ could/might/might do (將來) Isn’t it your wish that you could buy a car like that? ★含蓄條件句(Implied condition) 不是用條件句而是由介詞短語(without…沒有……, but for…要不是…), 連詞(but 但是，or或者)，副詞(otherwise 否則)等或上下文來表示某種假設(shè)的情況： But for electricity, there would be no modern industry. Without your help,

4、 we could not have succeeded. I ran all the way to school, otherwise I would have been late. He felt very tired yesterday, or he would have helped you. ★錯(cuò)綜時(shí)間條件句：主句和從句的動(dòng)作不是發(fā)生在同一時(shí)間，其動(dòng)詞形式要根據(jù)時(shí)間而定。 如果他當(dāng)時(shí)聽了我的話，現(xiàn)在就不會(huì)遇到麻煩了。 If he had listened to me, he would not be in such trouble now. ★虛擬語氣用在表示要求、建議、

5、命令等的名詞從句中，從句謂語用 “(should+)原形動(dòng)詞” (1) 用在動(dòng)詞insist (堅(jiān)持)，suggest (建議)，order (命令)，propose (建議)，demand (要求),command(命令)等后面的賓語從句中。 He suggested that we _______ _______ (開始) now. 如果上述動(dòng)詞不表示主張、建議等，而表示其他意義時(shí)，仍用陳述語氣： The expression on his face suggests that he _________ (知道) it. (2) 用在名詞insistence (堅(jiān)持), sugg

6、estion (建議)，order (命令), proposal (建議)，demand (要求), command等后面的表語從句和同位語從句中： 他們的建議是讓產(chǎn)量增加20%。 Their suggestion is that their output ______ ______ ________ (increase) by 20%. 他建議我們演一出劇，你覺得怎樣？ What do you think of his suggestion that we _________ __________ (put) on a play? (3) 用在“It +be+natural (ne

7、cessary, strange, important等，以及insisted, suggested, ordered等）+that…”結(jié)構(gòu)中的that引導(dǎo)的主語從句中： 你有必要參加會(huì)議。 It’s necessary that you ______ _______ (be) present at the meeting. 有人建議，那藥品應(yīng)該空運(yùn)到那兒。 It was suggested that the medicine ______ ______ ________(send) there by plane. 虛擬語氣用在would rather, would as soon,

8、 would sooner和would prefer后面的從句中，表示“希望”，用動(dòng)詞的過去式虛擬當(dāng)時(shí)或?qū)淼那闆r，用過去完成式虛擬過去的情況 ★用動(dòng)詞的過去式表示假設(shè)意義 1. It is (high/about) time that … 1) It is time we had dinner. 2) It is high time we left this place. 2. I would rather/ sooner (that) you / he / they … 1) I’m told they are going by bus, but I would ra

9、ther they went by train. 2) He didn’t attend the meeting. I would rather he had been present. 3. If only … 1) If only the weather were finer! 2) If only you hadn’t offended him! 4. as if /though 1) She always talks to me as if she were my sister. 2) He walks slowly as if he had hurt his

10、 leg. 3) She looks as if she would cry. 練習(xí)： 1. The teacher suggested that each student ______ a plan for the vacation. A. made B. make C. makes D. will make 2. Frankly, I’d rather you ______ anything about it for the time being. A. do B. don’t do C. didn’t do D. will not do 3

11、. It’s high time you ______. A. start to work B. would start to work C. started to work D. had started to work 4. The business is risky. But ______ we would be rich. A. should we succeed B. we should succeed C. might we succeed D. would we succeed 5. I wish our teacher ______

12、 to give another test. I haven’t got prepared yet. A. isn’t going B. weren’t going C. will not going D. could have gone 6. I wish I ______ to the movies with you last night. A. went B. did go C. could go D. had gone 7. What do you think of his proposal that improvements ______ in

13、the old type of vacuum cleaner? A. be made B. will be made C. would be made D. will have to be made 8. ______, we could not have finished the work on time. A. If they do not help us B. Was it not for their help C. Should they offer to help us D. But for their help 9. Henry ______ a rich man today if he had been more frugal in the past. A. would be B. is C. will be D. was 10. Sally can’t have written home, or ______ the letter by now. A. I’ll get B. I’ll have got C. I’d have got D. I’d get