学位英语语法重点——虚拟语气虚拟语气 （每次考试一般占 4－5 分） 所示的条件主线不也许实现或实现的也许性很小，称为虚拟条件句。 虚拟条件句，主句与从句中谓语动词的形式可分为下面三类：假设类型 条件从句动词的时态 成果主句的动词的时态 与 目 前 事 实 相 反 if + 过 去 式 （ be 只 用 were 不 用 was ） would/should/might/could + 动词原型 与过去事实相反 if had + 去过度词 would/should/might/could + have + 过去分词 与 未 来 事 实 也 许 相 反 if were to + 动 词 原 形 if should + 动 词 原 形 would/should/might/could + 动词原型一、在条件句中的应用： If he had time， he would come. 假如有时间，他一定来。（已通过去） A. 目前事实 I would certainly go if I had time. 假如我有时间当然去。 If he were here， he might help you. 假如他在这也许帮能你。 1、I would ask George to lend us the money if I _____ him. （C， 95 年） A. had known B. have known C. knew D. know B. 过去事实 59、If Bob____ with us， he would have had a good time. （C， 95 年） A. would come B. would have come C. had come D. came C. 未来事实 we would state at home if it should rain tomorrow. If I were to do the examination I would it some other way. 注意： ⑴条件从句中，假如具有 be 动词、助动词、情态动词， had， should 或动词 to have，可省略 if，要倒装，即把这些词放到主语前面。 1. _____ you were busy， I wouldn't have bothered you with my questions. （B， 96年） A. If I realized B. Had I realized C. Did I have realized that D. As I realized 57. Had the weather been good， the children _____ out for a walk. （） A. had gone B. could have gone C. would go D. went 答：B.当虚拟语气中具有 were， had， should， would 等词时， 可以省略 if， 把这些词放在主语之前。Should I meet her， I would tell her.万一我见到他， 我会告诉他的。Were I in your position， I would do i...
