(Had I known)you were coming today,I'd have met you at the railway station请问这里为什么要倒装?

have had done与had have done区别——，I'd have told you.A.If I would have known B.If I had have known C.Had I known D.Should I know 3Q ..I never had to say goodbye You must have known I wouldn ' t stay 翻译：how i wish i had known you were there,too y esterday!时态有点不理解. If I had known that,I could have helped you.had和known怎么都是过去式,have在这里是什么意思,为什么它不用过去式 英语：1.I would have phoned you ,if I ___ time.( )A.had had B.have had C.had2.If I __ her tomorrow,I would pass your note to her.( )A.see B.shall see C.saw3.__,I'd have told you.( )A.If I would have known it B.If I had known it C.Had I known it4.T I wish I had known earlier that you could have acaree ,even if you are not top of the class . 英语语法题目,I ( ) that you were in Shanghai last month,otherwise I ( ) you.A:had not known; would have visitB:had not known; would visitC:did not know; would have visitedD; did not know; would visit I supposed Tom （）（know）the news before you told him 动词填空.是had known吗? tom,you played so well .but,i ____ you played the paino.A did not know B had not knownit is well known和 what is well known 和as is well known的用法和区别不要百度百科! 求翻译,you are the biggest fuckwit i ever known,meeting you was the best thing i thought i had ha 关于英语虚拟语气的一些问题._____you were coming today ,I'd have met you at the railway station.A.Have I Known B.I have knownC.I had known D.Had I known我选的是C 按照虚拟语气的语法 表示过去式情况 从句If+had+过 英语一句话的理解问题 if you'd said that befor i'd have knownif you'd said that befor i'd have known 两个是不是、都是had (Had I known)you were coming today,I'd have met you at the railway station请问这里为什么要倒装? I had known her long before. 为什么要用过去完成时? If only I________what you wanted!A.knew B.know C.had known D.have known If.I.Had.You Thank you very much indeed.If it had not been for your advice I really what I should have done.A.don’t know B.didn’t know C.hadn’t known D.wouldn’t have known had i known it ,i would have..HAD在句首?