精选优质文档-倾情为你奉上虚拟语气（Subjunctive Mood）1. if（条件状语从句）从句谓语（if）主句谓语形式例句与现在事实相反did/werewould/could/should/might+doIf I were you,I should study English.与过去事实相反had donewould/could/should/might+have doneIf you had taken my advice,you wouldnt have failed in the exam.与将来事实相反didshould dowere to dowould/could/should/might+doIf it were to rain tomorrow, the meeting would be put off.错综时间条件句主、从句时间不一致，动词形式要根据它所表示的时间来调整。eg.：If I had worked hard at sc
