I would have gone to visit him in the hospital had it been at all possible,but I was fullyoccupiedthe whole of last week.请问为什么用was呢?“had it been at all possible”是什么意思?

I would have gone to the concert,if I time I would have gone to the concert if I___enough timeA had hadB have hadC had D would have had If 1 __ time last Sunday,I would have gone to visit you.(1 分) I was very tired.Otherwise,I ________ to the theatre with you...选择一项：a.would go b.went c.would have gone d.had gone i would love___transformers with you last night,but i was busyto seeto have seento go to have gone I would rather have gone to the cinema last night,but I had to prepare for the exam. I would have gone to the party if I _____ time.A.had had B.have had C.had D.would have (1/2)I wish I had known that Ann ___ill .I would have gone to see her . would love to have i would love ______to the concert last night but i had to work extra hours to finish a reportA.to go B.to have gone C.going D.having gone为什么? I was away that day.Otherwise I _____ to the meeting.a.would go b.had gone c.have gone d.would have gone这个句子确实要用虚拟语气,但是为什么不能选择B选项呢? I was away that day.Otherwise I _____ to the meeting.a.would go b.had gone c.have gone d.would have gone很难的一道题目,是不是定语从句某人给我的提示是：If I had't been away that day,I would have gone to the meeting. i would have gone to shanghai yesterday,but i missed the flight这句中为什么不用had missed? ___ I had time,I would have gone over to see her.填什么 为什么?答案是Had I would love to have gone to the party,but it was impossible这句话怎么解释,请高手指教. I have gone away to come back . I think you have gone much to I have already gone to Canada翻译 I would love to have gone to the party enjoying the weekend,but I was made to work for the report.为什么是 to have gone ,不是 to go 为什么是 enjoying ,不是 to enjoy