摘要：虚拟语气句型 虚拟语气句型1. If + were/did,主语+would /might /should/ could + do表示对现在的假设 If I were you, I would not be so proud. I don’t have a cell phone. If I had one, it would be convenient for me to get in touch with others. If I were in your position, I would think better of it. 虚拟语气句型2. If + had done, 主语 + would/might/should/could + have done 表示对过去或已发生事情的虚拟假设 What a pity it is that you didn’t attend the concert yesterday! If you had attend the concert, you would have seen the famous singer. Anyone in his position would have done the same.= =If anyone had been I his position, he would have done the same. 虚拟语气句型3 If + were/ did/ /should/ were to do,主语= would/might/should/could+do If we were to panic,we would not be able to give proper first aid. If it were to rain (=should rain = rained ) tomorrow, we would not go for a picnic. If you shouldn’t pass the college entrance examination, what would you do? 虚拟语气条件句的倒装: 在虚拟条件句中,如出现有were,had,shoud,可省略if,可将主语于这些词倒装,构成虚拟倒装句. Should he act like that again, he would be fined. Had I known more about giving first aid, I could have helped them. Were I to go to the moon one day, I would see it with my own eyes. Had I enough money (=if I had enough money ), I would buy a large house. 虚拟语气句型4 If only引起的感叹句,相当于how I wish+宾语从句, 意为 “但愿-.,要是-就好了 If only he could come! If only we students didn’t have so much homework! If only I hadn’t been so careless in the exam! 虚拟语气句型5. If it were not for- If it hadn’t been for- (= had it not been for-) 要不是因为有-..; 如果不是-- If it hadn’t been for the determined captain, all the passengers on board wouldn’t have been saved. If it were not for your rich parents, you couldn’t live so easy a life. 虚拟语气句型6 but for, but that But for + 名词和but that+从句,意为 倘若不是,要不是 ,接虚拟语气. But for the Communist Party of China , the People’s Republic of China couldn’t have been founded. But for air and water, nothing could survive. She couldn’t have believed it, but that she saw it. 虚拟语气句型7 在suggest, propose, insist, demand, require, request, order等表示建议,要求,命令的名词性从句需要虚拟语气,基本句型: 主语++动词原形 Mother insisted that John go to bed at 9 o’clock. Many hospital recommended that we use the letter DR ABC to remember what to do when giving first aid. It was required that children be sent to school when they reach the age for school. The suggestion that he be invited was rejected. That is their demand that their wages be increased. 虚拟语气8 It’s necessary/important that sb. Should do- With the society developing very fast, it’s quite necessary/ important that we have a good knowledge of English and computer. It’s necessary that John take the exam first. 虚拟语气9. It’s strange / a pity/ surprising that sb should do-.. It’s a pity that she should miss the chance to go abroad. It’s really surprising that a prophecy should coincide with the fact so exactly. It’s strange that he shouldn’t pass the exam. 虚拟语气10. Wish + 宾语从句,表示不大可能实现的愿望 表示现在的愿望: 主语+动词过去式 表示过去的愿望: 主语+ had + 过去分词 表示未来的愿望: 主语+ would + 动词原型 How I wish we students had more free time to relax ourselves! I failed in the maths exam. How I wish I hadn’t wasted so much time playing. What a pity you can’t go to the party. How I wish I could dance with you at the party. 虚拟语气11. It’s ime that sb did/ should do -.早就该-. It’s time that we took action and did our bits for the AIDS patients. It’s high time that we did something to improve our environment. 虚拟语气12 Would rather that sb did-. “宁愿-..; 更愿意 表示现在或将来的愿望 Would rather that sb had done-. “宁愿-..; 更愿意 表示过去的愿望. I’d rather you posted the letter right away. I’d rather you were not a celebrated actor. In that case, we could spend more time together. I’d rather that I hadn’t seen her. 虚拟语气13. As if + 主语 + did / had done-表示过去的情况用过去完成时,表示现在和将来的情况用过去时 Our head teacher treats us as if we were her own children , so all the students in our class think highly of her. Alan talked about Rome as if he had been there. All too often, people treat AIDS patients as if they were bad or dangerous.

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