having seen是什么用法讲一下这个用法的语态和时态和语法结构的问题,本人的分用完了,没分

having seen是什么用法讲一下这个用法的语态和时态和语法结构的问题,本人的分用完了,没分 John's having seen her did not make hr worried.请问这一句中的John's having seen her是不是看成一个主语（John's做having的逻辑主语）,having seen这是一个什么用法,是不是相当于一个have done.如果是的话是不是 seen用法 讲一下part的用法 讲一下since的用法 具体用法请讲一下 I don't think any of my friends have seen them.对不对?any of my friends 后用has还是have,最好把any of ...用法讲一下 帮我具体讲下having done 的用法 _ from a distance ,the mountain looks like an elephantA seen.B seeing C having seen D having been seeing怎么选?给我讲下 No child wants to be an exception in an age of conformity and admit not having seen what everybody else has.这句中的admit not having seen是什么结构呀?admit +doing是固定搭配吧? 讲一下suppose的用法,举例 可不可以详细讲一下hang的用法 You shoulda seen me.尤其是shoulda是什么特殊的用法? Having seen her smile是什么意思? 讲一下certain的用法certain的用法 Having had用法请详细讲解一下having had的用法,主要作句首的作用还有To have had的用法,以及与having had有什么区别, We remembered having seen the film.为什么是having seen 这是什么时态啊,还有这句话i am glad you are having such a great day.这是用非谓语动词的现在分词形式做表语吗?是的话具体表示的是什么含义? 初三 英语 英语. 请详细解答,谢谢! (6 11:49:0)pay,cost,spend,take这四个词的区别是什么.还有用法也讲一下.