if that had been me/if I were you这都是虚拟语态吗?有什么区别用法吗,为什么用过去完成时?

you had told me that some time earlier .the tickets for the concert have just been sold outA Whether B If only C Unless D Even if if that had been me/if I were you这都是虚拟语态吗?有什么区别用法吗,为什么用过去完成时? if it had not been for ..句型对吗if it had not been for your timely assistance in giving me first aid,I fear that the consequences might have been much serious.这句话的开头：if it had not been for...,是if it is not 的过去完成时? 英语翻译something really bad happened to me,somthing that changed my life in ways that,if I had my choice,it would never have been changed at all.大概意思知道,但是 if I had my choice,怎么理解呢? 翻译 How happy I would have been ,if you had been with me then. You couldn't have had all your work done ______ .A.if it was not for me B.if had it been for us C.it had not been for me D.had it not been for me If it had been known that,why the need for and at the beginning .If it had been known that,why the need for and at the beginning . If I had been dead,then this world who will miss me.翻译下, 这句英语的结构是啥啊?If it had not been for your timely assistance in giving me first aid,I fear that the consequences might have been much serious.it had not been for your timely assistance in giving me first aid这句话的语法结购是 Stave said that if he had known how it worked,he would have been told if you had never been,what kind of hell would that be?求翻译 I wondered ______ they had been to America.中间用哪个连词是if 还是that? Tom asked me if I had been to Hong Kong.这里的if可不可以用whether代替 为什么 He looked at me as if I were mad. 后半句是不是应该用 as if I had been mad啊? 英语翻译I received an e-mail from ebay saying that the item had been deleted and that you had been suspended.After calling for help,they said that I needed to contact you to see if you were still going to send me the item. Mary told me that she had been to China （ ） .（two）教教我 改错:He said me that he had been to the Great Wall twice. Forgive me!I have a dating with my friends that had been arranged yesterday.What asham!