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课件网) Lesson 22 By heart I. Objectives 1. bl- 2. ceed 3. 虚拟语气 Subjunctive mood 虚拟语气 虚拟语气用来表示说话人的主观愿望或假想，所说的是一个条件，不一定是事实，或与事实相反。 1.在条件句中的应用 条件句： 真实条件：不用虚拟，if 是如果的意思。 句型： 条件从句 主句 一般现在时 shall/will + 动词原形 e.g. If he comes, he will bring his cat. ①If you leave now, you are never going to regret it. ②If you leave now, you will never regret it. 在真实条件句中，主句不能用be going to表示将来，该用shall, will. 。 If it is night, the sun doesn’t rise. 表示真理时，主句谓语动词便不用shall (will) +动词原形，而直接用一般现在时的动词形式. 非真实条件：用虚拟 时态：可以表示过去，现在和将来的情况。 基本特点: 时态退后 时间 条件状语从句 主句 与过去事实相反 had + 过去分词 would (should, could, might) + have + 过去分词 与现在事实相反 did / were + 动词原形 与将来事实相反 did / were to /should+ 动词原形 + 动词原形 ①If you had worked hard, you wouldn’t have failed in the exam. ②If I were a bird, I could fly in the air. ③If it were to rain tomorrow, the meeting would be put off. 省略if 要主谓倒装 ① If I were a boy, I would join the army. Were I a boy, I would join the army. ② If he had taken my advice, he would have succeeded. Had he taken my advice, he would have succeeded. 1._____ to do the work, I should do it some other day. A. If were I B. I were C. Were I D. Was I 2. The volleyball match will be put off if it ___. A. will rain B. rains C. rained D. is rained 3. If it rained, they _____ (stay) at home. would stay 4. We would be very much pleased if you _____ (come). came 5. What a pity! I haven’t got my car. If I had, I _____ (take) you to the airport. have taken 6. We would answer the questions if we _____ (can). could 7 . If I were you, I _____ (take) a long walk before going to bed. would take 8. If it ___ last night ,it would be very cold today. A. had rained, B. rained C. should rain D. were to rain 混合条件句 主句与从句的动作发生在不同的时间，这时主，从句谓语动词的虚拟语气形式因时间不同而不同，这叫做混合条件句。 If you had asked him yesterday, you would know what to do now. 从句与过去事实相反，主句与现在事实相反。 2. 在宾语从句中应用 在表示命令、建议、要求等一类动词后面的从句中。 order, suggest, propose, require, demand, request, insist, command, insist + (should) do e.g. I suggest that we (should) hold a meeting next week. e.g. He insisted that he (should ) be sent there. 如suggest, insist 表 “暗示、表明”、“坚持认为”时，宾语从句用陈述语气。 判断对错 ①You pale face suggests that you (should) be ill. ②Your pale face suggests that you are ill. 3. 在同位语从句和表语从句中应用 在suggestion, proposal, idea, plan, order, advice等名词后面的表语从句、同位语从句中要用虚拟语气，即（should）+动词原形。 ①My idea is that we (should) get more people to attend the conference. ②I make a proposal that we (should) hold a meeting next week. 4.在 ... ...
