英语语法：以下句子为什么用for?He has been there for six months.请问这里为什么用 for?这是新概念第二册第四课.

英语语法：以下句子为什么用for?He has been there for six months.请问这里为什么用 for?这是新概念第二册第四课. 英语语法问题.以下句子：he said he was happy.said后应该接宾语从句,在这里应该由that引导,可为什...英语语法问题.以下句子：he said he was happy.said后应该接宾语从句,在这里应该由that引导,可为什么 两个英语语法问题求以下两个句子结构分析~1、You could look randomly on shelves as you walk up and down rows of books.2、He left gaps for elements he predicted were yet to be discovered. 以下句子中括号里为什么用which ,不用that?高考急用,In fact,the explanation is that the man had a bad attack of hiccups,(which)is why he asked for a glassof water. He will be away for two months.请解释介词for在句子中的含义,为什么用介词for呢 英语语法：句子结构的分析In the torchlight,he caught sight of a figure (whom) he immediately recognizedas Bill Wilkins,our local grocer.为什么要用(whom) 连接?分析句子的结构:主谓宾 请教一个英语语法问题,is和does的用法我知道does是用在第三人称单数的时候,可是以下这两个句子让我搞不清楚了,一个是what does he do?另一个是what is he going to do?这两个句子都是第三人称啊,为 英语语法句子 句子Blessed is he who expects nothing for he shall never be disappointed 的语法这里为什么用blessed is he who?是倒装么? 这个英语句子是什么英语语法结构?having suffered from heart trouble for years,professor white has to take some medicine with him wherever he goes 英语语法for example后可以加句子不 he looks old for his age.为什么用for He ——gets up early,so he is ——late for school.这个句子分别用never和always填空,哪个在前哪个在后为什么啊 以下两个句子的be的用法He will be in his small boat,Topsail.He will be away for two mouths.请解释一下这两个be的用法和在什么情况下需要这样用.he has not be back yet,he will be back ten minutes.he has not back yet ,里面 英语语法 帮我分析以下句子.I am happy to join with you today in what will go down in history as the greatest demonstration for freedom in the history of our nation. 英语语法变形将下列句子变成v+ing . 1.After we stood in the queue for hours, we got twotickets. 2.After they finished their homework, the boys went home. 3.He always consults others before he does anything. 句子中又有for表示段时间又有when+xxx的时候为什么用过去式不用完成时.he worked for 3 years when he was young为什么不是had worked 求助英语语法“He told me that he will/would go home.句子的宾语重句,助动词用will,还是would,