If i had been invited to your birthday party,i would have bought a birthday gift for you.若我想把这句话写成独立主格结构 那么if引导的从句该如何改写?我是这么写的：Having been invited to your birthday party,i would have

虚拟语气有没有if I had been you ,I would had.对过去不应该用had been麻 两题英语文法 请会的高手帮检查下 看看哪里 不太好 关於从句IF加 now/at the timea.If at the time I had taken your proposal,then I should have been happier.b.He will come if now you invite him.这两题我不理解为什麼错 翻译 How happy I would have been ,if you had been with me then. had the job been 等于if the job had been done?如果各句加个i加在哪 ＿＿,I would go there myself .A.Were I you B.I were you C.If I had been you D.Had I been you I would been happy if I had not run out of energy to If I had been there ,I would have felt extremly happy 这句话对吗,急 I’d have noticed something （） wrong if I had been there.(a) had been (b) was (c) has been (d) is If.I.Had.You if i had my Had it not been for the fact that she can not sing,i (会邀请她)to the party last night.(invite) 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? I wondered ______ they had been to America.中间用哪个连词是if 还是that? If I had been dead,then this world who will miss me.翻译下, If it had not been for your help,I would have been late for school,改成倒装句式 if the teacher had been more careful ,i wouldn't have been so sad 请问这句话有没有错? 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 If there had not been 改成 had not there been 是had not there been 还是had there not been?