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课件网) 新教材高中英语人教版 语法课 虚拟条件句 虚拟语气 If从句 主句 现在 过去 将来 过去式 （were） would do had done would have done 虚拟条件句 What would you do if you won the lottery If I won the lottery, I would… If I _____ (win) the lottery, I _____ (buy)an expensive car now. won would buy If I ____ (have) a lot of money , I _____ ( buy ) a villa now. had would If it _____ fine now, I _____ go shopping. were would If he _____(drive) more carefully, he _____(have) the car accident yesterday. had driven would not have had If I _____(learn) how to swim, I _____ (be trapped) in this island. had learnt would not have been trapped 虚拟语气 If从句 主句 现在 过去 将来 过去式 （were） would do had done would have done 过去式 were to do would do Should do 虚拟条件句 与将来相反： If you ____（succeed) , everything ____ all right. ①If you _____, everything would be all right. ②If you _____, everything would be all right. ③If you _____, everything would be all right. succeeded should succeed were to succeed 一 、若If 句中有were, had ,should(万一) 时，if 可省略把以上词置于主语之前，变成倒装句。 1）If I were you , I would study hard. 2) If I had known your address , I would have visited you . 3) If it should rain tomorrow , I would not go there . 注意not的位置：Had it not been for your help , I would have failed. Were I you , I would … Had I known your address , I ….. Should it rain tomorrow , I ….. 二含蓄条件句（常用without / but for（若不是） ; or / otherwise(否则) / but / with来代替if从句。 1. What would you do with a million dollars 2. Without / But for your help, I _____ (fail ). 3. I _____ busy then, or / otherwise I_____ (help) you . 4.I_____ (help ) you , but I _____busy then. would have failed. was would have helped would have helped was 三．错综条件句： 1. If I had taken your advice just now, I _____ ( be)better now. 2. If you_____ (study) hard before , you would be a college student now. would be had studied If the staff _____ (be) more careful, the mall _____ (be) on fire now. had been would not be Exercises: If I _____ (have) much money , I _____ travel around the world now. If I _____ you , I _____ study much harder now. If you_____ (be) more careful in the exam , you _____ (pass) it easily. If it_____ (rain ) tomorrow , we _____(not go ) there. 5. But for / without your help , I _____ (not finish ) the work on time. 6. I _____ (be ) caught in the traffic , or / otherwise I _____(get ) there earlier. 7. _____ he see me , he would know me . 8. ____ it not been for the rain , we would have gone there. had would were would had been more would have passed should / were to rain / rained would not have finished was would have got should Had would not go 虚拟语气 1. 虚拟条件句 (三规范 / 三特殊) 2. wish / if only 但愿，如果…就好了 as if=as though 仿佛，好像 would rather that…宁愿 It’s (high) time that… (早)该到了…的时候了 3.表建议（suggest / recommend /advise /propose），要求（demand ... ...
