had的用法!i had be happy这句话什么意思?为什么要用have的过去式?

had的用法!i had be happy这句话什么意思?为什么要用have的过去式? After i had had lunch at a village pub,这里的两个had是什么用法 Even without you,I still had a very good,and even more pleased,and happ IF a sentence had had had had had had had,it would be correct. 这句话的意思 imagine的用法 I had imagined her to be older than that是否正确但这个句子是从牛津词典上面抄下来的啊 if i have和if i had的用法举多点例子，要明显说出区别。 had better的用法举个例子 had better的用法新概念第几课 had和has用法上的区别 had been 的意思和用法? would be doing的用法?Even if I could tell someone they had a good fight,I wouldn't be talking to the same man.这里为什么用到would be doing? 英语时态,现在完成时和过去完成时的用法After i ---dinner,I left home with my bag for school.A had B have had C had had D was having为什么不选 C 而选 B I was surprised when I saw the farm.I had imagine it ()mch bigger.A be B being C to be D having been请讲明用法,结构. i realized that i had a paper due the following dayi realized that i had a paper due the following day.due的词性?意思?用法? i had never had it I had failed for several times.其中for的用法是什么 I never guessed Tom had it in him这句话中it的意思和用法 had wanted 用法had wanted一定只表示本想干某事,而未干成吗?不能有i had wanted to be a doctor ,and it finally came true.这句话不对吗?