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问题 主句与从句的相对位置不同会影响是否用逗号吗

...t a wild puma had been spotted forty-five miles south of London, they were not taken seriously.第二句话：It immediately ran away when she saw it.我们对比这两句话的逗号，第一句话加了逗号第二句话没加逗号。当时间状语从句位于句首时就需要用逗号与主句...

问题 It...since...主从句时态问题，以及since从句可否使用“否定式”？

...可以使用否定式。2) 上句可否改为It is a while since we were not out  ?  就是主从句时态改变一下，和原句意思一样吗？

问题 什么是“动名词的复合结构”

At the beginning of class, the noise of desks being opened and closed could be heard outside the class. 有人说下划线部分充当的语法成分是“动名词的复合结构”，请问这是什么意思呢？

问题 at介词短语作定语还是状语

This was later confirmed by a naval official at the Ministry of Defence after the Elkor had returned home.这个句子中at the Ministry of Defence 是作official的定语，还是做confirmed的地点状语，为什么？

问题 on和off表附近的区别

a man's store on/off Fifth Avenue.     The hotel is on the coast.   An island off the coast of France.请问off和on在表示“在……附近”时的区别？谢谢

问题 序数词前加不加冠词的区别

May the11th和Dec. 25th请问老师加the和不加the的区别是什么？

问题 介词短语作状语还是宾补

A more global view must take into consideration the provision of adequate working and living conditions in the sending countries.  这个句子中 take into consideration the provision...为take +名词+介词短语结构，这个介词短语into consideration应该理解为状语还是宾补的？...

问题 现在完成时一些疑问

...ince 引导状语从句，这句话语法有问题吗?2. 类似于 in the last/ past five years 的时间状语，表示的从过去到现在的一段时间为什么能和瞬间动词连用，难道它不算表段的时间吗？The house has changed hands ...

问题 复合句连接词的难点用法

1. It’s strange____ A.that he should havd refused the offer  B.he said“No” when we are offering C.when he said “No”                   D.how can he refused it 2. Do you still remember the place____you once visited a few y...

问题 there在句式分析中所充当的角色——究竟是充当地点副词还是虚拟主语

Oh, look. On the canopy above there are capuchin monkeys racing across the branches and a troupe of squirrel monkeys, also feasting on ants.—SPOK: CBS_SixtyII，2005 (20050202)，60 MINUTES WEDNESDAY, CBS已知上述文本中有加粗单词“above”和“there”，对于二者究竟是应该被...

问题 动名词复合结构的理解

刘老师，您好！Do you mind Tom opening the window? 你介意汤姆打开窗户吗？请教您一个问题，看你前面回答其他同学问题时，您说上面句子中的 Tom opening the window是动名词复合结构。难道这不是mind 是谓语，Tom是宾语，opening the window...

问题 动名词用法分析

Having such high-profile global research from the IEA showing such a big impact should help shock policymakers into addressing coalmine methane.请问句中the IEA showing such a big impact整体做from的宾语，还是from the IEA做research的后置定语，showing such a big impact做伴随状...

问题 rust 在这作何理解

On the floor of the North Atlantic Ocean rusts one of history's most fantastic failures, the unsinkable RMS Titanic. 永不沉没的“泰坦尼克号”沉没在北大西洋的海底，这是历史上最不可思议的失事。红色rust在此作何理解呢？

问题 where 从句

...的问题。1、这里where引导的都是地点状语从句吗？where=in the place/situation？2、这两个where引导的从句，都可以放到句尾吗？3、句首的where表达让步或者条件，请问老师表达让步或条件是根据句子意思还是其他什么标准判断呢？Where...

问题 定语从句的先行词难以找到

托福TPO27 Reading2的一个句子。some overgrown with coral—that originated from activity at points in the interior of the Pacific Plate that forms the Pacific seafloor.第二个that引导的定语从句的先行词是points，还是Pacific Plate，还是activity