To learn the use of subjunctive mood. To be able to use subjunctive mood correctly. 虚拟语气 表示说话人所说的话不是事实，而是一种假设、愿望、怀疑或推测，要用虚拟语气。虚拟语气可以用于条件状语从句、主语从句、表语从句、宾语从句等。本课主要学习if条件从句和wish后的宾语从句中表示现在或将来情况的虚拟语气的用法。 观看下图及对话，体会表示现在的虚拟语气的用法。 A: Why don’t our grandchildren visit us more often? B: They don’t have enough time. If they had more time, they’d visit us more often. A: I wonder why Fred works so hard. B: I don’t know. He must like his job. A: If he didn’t like his job, he wouldn’t work so hard. A: Do you enjoy driving a school bus? B: Not really. I wish I drove a taxi. A: Can Jonathan dance? B: No, he can’t, but he wishes he could. If he could dance, he’d go dancing every night. 一、用于条件状语从句中 与现在事实相反的假设 条件状语从句中的谓语动词: 过去式(be 动词的过去式用were); 主句中的谓语动词: would / should/ could / might + 动词原形”。 e.g. If I were a boy, I would join the army. What would you do if you won the lottery? If I won the lottery, I would… If I had a lot of money now, I would travel around the world. a. If they _____ (be) here, they _____ (take) your advice. b. If the world-war _____ (burst) out again, what _____ (happen) to our people on earth? were would take burst would happen c. If the policeman _____ (be not) in that room, it _____ (be) very dangerous. d. If I _____ (be) in your position, I _____ (ask) for teacher’s help. were not could be were would ask Discuss the topic in groups. You had a dream that you were a teacher. What would you do if you were a teacher? If I _____ a teacher, I would … were 2) 与过去事实相反 从句的谓语动词：had＋过去分词； 主句的谓语动词：should(第一人称)/would (第二、三人称) / could / might have ＋动词过去分词。 If he _____ more carefully, he _____ the car accident yesterday. had driven would not have had If I _____ how to swim, I _____ trapped in this island. had learnt would not have been a. If Tom _____ (be) more careful in the exam, he _____ (pass) it already. b. If you _____ (get) up earlier, you _____ (catch) the first train. had been would have passed had got would have caught c. If I _____ (meet) you yesterday, we _____ (go) to the concert together. had met would have gone Solve problems A student failed the English exam. Could you give him some suggestions? 3) 与将来事实相反 从句的谓语动词：动词过去式或 were to do 或should do 形式； 主句谓语动词：should(第一人称) /would (第二、三人称) /could/ might ＋动词原形。 e.g. If you succeeded, everything would be all right. If you should succeed, everything would be all right. If you were to succeed, everything would be all right. If he got up early, he would be on time. 假如他来了, 我们对他说什么呢？ If he were to come, what should we say to him? 假如他看见我, 就会认识我。 If he should see me, he would know me. a. If there _____ (be) no natural resource any more, we _____ (make) use of nuclear power. b. What _____ (happ ... ...
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