have的虚拟时态是had,那么had的虚拟时态是什么

have的虚拟时态是had,那么had的虚拟时态是什么 宾语从句时态Could you tell me which gate we (have/had) go to?选哪个?为什么?宾从的时态是怎么样的?这是虚拟语气吗? 虚拟语气 ifif引导的虚拟语气,从句时态倒退一步吗?主句呢?在对过去进行虚拟时,是不是 if sb had done sth ,sb should have done sth?对现在的虚拟,是不是 if sb did sth,sb should do sth 对将来的虚拟是怎样的? have you had any vegetables or fruithave you had any vegetable or fruit 什么时态 had是什么时态的? 英语中过去完成时是have还是had?它是怎样构成的?还有哪些时态?请举例! 关于have had toI have had to wait for you fot the past twenty minutes 这句话中的have had to 是怎样的一个语法结构,为什么不是用I had to 呢?做为现在完成时态解的话,那么其后的wait应该是过去分词的形式啊~ 关于时间状语从句时态的问题Brown wishes he had had more imagination when he _____that report.A wrote B had written Cwould write Dwould have wrriten 选择A 让我疑惑的问题在于：wish 只能接虚拟语气,所以had had为对过去 If they had studied hard, they could do it easily now 这个虚拟语气中这个虚拟语气中,虚拟语气是与过去事实相反,从句用had+过去分词,那么主句不是应该用should/would/could/might+have过去分词的吗? 为什么这 If she had not had an alarm clock,she would have missedthe train.（事实：她有闹钟.）两个HAD 在这里的意义分别是什么 去掉第一个可以么第一个是虚拟语气HAD 还是?THANKS If +主语+had had down ,主语+would have down...这个虚拟语气的用法是在什么情况下使用啊, 虚拟条件句中if的省略及倒装,had 是指哪个had?从句中有should,were,had三个助动词可以把if省略,并将这三个词提至句首.had是哪个had 如：If I had had time,I would have run round that lake again.如果指的是第一 we have had been having a lot of rain recently 用的是什么时态 为什么这么用 这句中的have and had 到底是怎么用的？ They saw that she had to have blood.had to have 是什么时态,还是因为是had to do的用法,另外,还在阅读书上看见两个have have连用的情况,请问这是什么用法, will have had 是什么时态 英语虚拟语气IF的问题I would have gone to the meeting if I ( ) timeA.had had B.have had C.had D.would have had请教大师们,应该选哪个 并说出理由 Eliza remembers everything exactly as if it ^^^ yesterday .中省略处为何用happened?可是从句是虚拟的过去时态,不是应该用had happened? 虚拟语气时态This child talks as if he were a man.这句话是对什么时态的虚拟啊?这里为什么用talks,而不用would+talk呀?He looks as though he hadn't had a decent meal for a month.这句是对什么时态的虚拟?怎么时态都 have had的意思