having been here since 2006.这里的"having been "请教下"having been " 是什么结构?been 出现都是在完成时中了吧,可这里是……

Since having been here ,I have to accept it ,there being no way . having been here since 2006.这里的having been 请教下having been 是什么结构?been 出现都是在完成时中了吧,可这里是…… 帮忙分析下语法结构……Loneliness may be a sort of national disease here,and it's more embarrassing for us to admit than any other sin.On the other hand,to be alone on purpose,having rejected company rather than been cast out by it,is one c been here all been here since WEdnesday 用having been done 造句 having been done的用法 having been done是什么时态? being还是having been?--There is a story here in the newspaper about a 110-year -old man.--oh ,i can't imagine ( )that old.A being B having been两个同样表状态吧 为什么B thanks! We are having our class now.You()here 10 minutes goshould have beenshould not have beenneed not have beenhad not been为什么不是should not have been而是should have been呢 谢谢了 it's been such (a) fun having you here 可以加那个a么?感叹句里不是有个what a great fun!么 doing having done being done having been done 造句! having done和having been done怎么用 如题 having been done和having done的区别rt They are having fun here.[同意句] enjoy having you and your sister here. “I am having a wonderful time here. 改错:Someone have been here