一语法及基础知识 第一节 虚拟语气 过去 现在 将来

一语法及基础知识 第一节 虚拟语气 过去 现在 将来 现在的为从句 did 原 主句 would should could might +do过去的从句为为 had+did 主句 would could should might +have done 将来的为从句为 were to do did were should+do did 主句为四大词+do 三个时态的虚拟分别于三个时间的事实相反Were should had 三个词可以提前 放在一句话的第一位 判断将来时时注意关键的时间词 现在时为 now 将来时为 tomorrowIf I had time if qing had gone 现在例句 if my lived now,he would give us more shows 过去例句 if qing had not gone back to qing dynasty ,she would not have met him 下一个 if I had been born 20 years earlier,I would have had chance to marry her 将来例句两个而且三字词提前了 I were to win 变成 were I to win I should win 变成Should I win qingchuan had not gone the eighth son of the emperorHave 为实义动词时+n 并且 have 不放在前面什么意思 have 为助动词时可以放在前面第二节介词短语仅代替从句 without 如果没有 but for 要不是Without me,what would you do ？本来应该为 you would do 但有 what 为疑问语气所以But for the earthquake we should not have bought the salt crazily If it had not been for 其实就是 without but for 与 if 作用一样第三届 错综时间条件句 前后时间不一致If you had taken my advise you would be better now 有明显的时间状语二表示愿望的虚拟 为不可能实现的事Hope 可以实现的愿望 wish 不可以实现的愿望Wish+that +主语+与现在过去将来事实相反例子 I wish （that）从句 everyday were my birthday 现在的I wished(that)I had met jaychou Would /could+do 与将来相反I wish(that)they would become my enemies in the future三 should+do 的虚拟Should 可以省略 在一些动词之后 一个坚持二个命令 四个建议 四个要求 一个宁愿 宁愿坚持建议命令要求 一些动词之后+(that)+主+(should)+do PreferInsistSuggest advise propose recommendOrder commandRequire request demand desire 注意 insist 后面要求应是 should do 如果后面是...