三、虚拟语气.ppt

第三章 虚拟语气 一般结构： 从句 主句 与现在事实相反： 过去时（be---were） would （should）+V 与过去事实相反： 过去完成时 would (should, could）have +Ved 与将来事实相反： were to(should) +V would (should, could, might) +V 虚拟语气（一） 1. If 条件句 If I were you, I would go. If I had asked for directions, I would not have gotten lost. If the sun were to rise in the west, I would marry you. If it should rain tomorrow, I would stay at home. 虚拟语气（二） 2. 省略if，形成倒装 Were I in your position, I would call the police. Had I known that you have no money, I would not have marry you. 虚拟语气（三） 3. 非if引导的条件句 If only I had a big sum of money, I would build a shelter for teachers. (=wish) Without electricity human life would be different today. Without water, nothing could live. I wish it were not raining now. (与现在事实相反) I wish you had visited me yesterday evening. (与过去事实相反) But for the storm, we should have arrived earlier. We could have done better under more favorable conditions. I would rather that she were here. (用过去时，“但愿”) It is (about, high) time that we left. (用过去时,“该是….. 的时候了”,含晚了一点的意思) 虚拟语气（四） 4. It is necessary (important, impossible, essential, urgent, natural, strange) that + (should) +V It is important that the experiment results (should) be checked. I think it advisable that he leave soon. 虚拟语气（五） 5. 表示意愿、建议、命令等动词的宾语从句中, 用(should) +V。ask, require, request (要求), advise, suggest, propose, command, order, insist. I asked that she leave at once. He insisted that I be present at the meeting. It is requested that a vote be taken. 虚拟语气（六） 6. advice, demand, importance, order, requirement, suggestion, decision, vital 用(should) +V It is vital that man protect the environment. He made a decision that his daughter go abroad at once. 虚拟语气(7) 7. 在下列词的同位语、表语从句中, 用(should) + V: advice, demand, decision, desire, idea, order, proposal, request, suggestion. I make a suggestion that the meeting (should) be put off. My decis