英语句子结构问题Three things in life that,once gone,nevercome back:tome,opportunity and words.句中这个,once gone,是什么结构?（插入语么）修饰Three things in life that的吗?为什么不能直接是作为从句Three things in l

英语句子结构问题Three things in life that,once gone,nevercome back:tome,opportunity and words.句中这个,once gone,是什么结构?（插入语么）修饰Three things in life that的吗?为什么不能直接是作为从句Three things in l what three things do teachers do to singal that information they are present给充分分析下这个句子的结构和意思what three things do teachers do给分析下前面....的结构 英语问题THREE 求助英语句子结构分析“how I was feeling and things like that.things like that在这句里的成分? 英语句子结构问题,这个不是句子结构有问题吗?太多main clause,没有subordinating clause了?These things include such things as looking forward to every day,to enjoying one's work and life in general,to sleeping well,and to laughing 英语结构问题如何判定英语句子中的主谓宾定状补? 帮我理解一下句子意思!（英语）Mike says he is sick.Name three things he tells his mother 简单的英语句子结构分析问题Only when humanity began to get its food in a more productive way was there time for other things.句中there的用法是怎样的? 什么是英语句子结构 英语句子结构划分 英语中的句子结构 关于英语句子最基本结构的问题除了主谓宾、主系表,还有什么结构呢? 分析英语句子.Things worth having are worth the effort.翻译一下句子意思,简单分析句子结构和其中的重点短语. 英语句子结构分析 什么是主系表结构 英语句子结构 英语句子结构分析 什么是主系表结构 英语句子结构 He has so many things to do.分析句子结构, 请帮忙分析两个句子——关于英语动名词结构的语法问题1.Do you mind my asking if you have a friend?2.How about you paying me for the three meals?为什么第一个句子中用物主代词my,而第2个句子用you呢 求助英语句子结构问题,谢谢!The equation is valid quite early since, as soon as the bubble is three times bigger than the initial nucleus, the error is small.在这个句子中,early since, as soon as这一连串的副词和连词怎么理