语法结构问题 I have been blessed to have in my life这句话什么结构?不好理解,请尽量详细分析之,

语法结构问题 I have been blessed to have in my life这句话什么结构?不好理解,请尽量详细分析之, i must have been dreaming 的语法结构怎么分析呢? I have been successful是什么时态跟I have successed有区别么 具体说下语法结构谢了 It is the third time that i have been in Beijing.帮忙分析下这句话的语法结构和时态,为什么用have been I have no relish for seeing people being whipped.中的being 能不能 改成been?什么语法结构?哥哥姐姐 Not only ____to beijing,but I've also climbed the Great Wall.A.i have been B.have I been C.did I go为什么?什么语法点? 关于句子结构和虚拟语气的问题51.If only I ______ there.a.have not been b.would not been c.will not be d.had not been 原因 i have been studying history in china 的语法要点 i knew you have been hard 这句语法对吗? be的过去分词been的问题I have been very busy the last few days与I have always been in love with you.这俩句话have been后面跟的不是现在完成进行时(have been doing)的结构,也不是现在完成时（have been done)的结构.而 you have no idea what I've been through.语法我想问的是：1`habe been through是个啥结构?2`through在这里应该是什么词性呢?介词还是副词?3`have been 不是一般跟done吗? I have been building website since 1995 and I have fond memories of some projects while others stil这句话确切的翻译是什么,语法是不是有问题 现在完成时的问题,-Where have you been?-I have been to现在完成时的问题,-Where have you been?-I have been to the laboratory.谁能详细分析下这两句的语法细节,问什么要用have been?是不是be 的现在完成时?怎么变 I have been playing是主谓结构吗? 7.[英语问题]有关语法的英语问题（3）Had the peach tree been planted on the opposite side of the house it might not have survived the severe winter有什么语法现象?这个句子的结构是什么? have been done 语法呢 It might have been something else.分析此句的语法结构 英语句子结构分析的问题,I reckon William could have been telling the truth.could have been telling 请问这是什么时态?是虚拟语气吗?如果是虚拟语气,为什么不用could have told the truth?