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问题 could not have能否既不表示虚拟语气也不表示推测

The most important reason why there could not have been any specific blitzkrieg economy before the campaign in the west resides simply in the fact that the German leadership just did not want that.Could have done一般认为可以表示两种含义：对过去的推测以及虚拟语气，但是上...

问题 It may be many years before the situation improves. 这句话是不是违反了 “主将从现” 原则呢？

为啥主句不用will be？

问题 句子词性分析疑问

She and all the people on the raft had been picked up by a homeward-bound vessel the day after they lost sight of their ship.这里的homeward是副词还是形容词接bound构成复合词？有点理解不了这个bound也不是分词。He ran forward a few steps and caught hold of another rock a ...

问题 declare什么意思？

...ffer courses in a wide variety of disciplines. At some point, generally by the end of the second year, students are required to declare a major. In some cases, students begin classes in a program of study from the minute they enter the university.Some college freshmen seem to have been called to a p...

问题 分词短语和动名词短语疑问

1 The first step, eliminating particles, can be done with a clean room.请问老师，eliminating particles是看作非限制性分词短语，还是说动名词短语做the first step的同位语？动名词短语可以做同位语吗，有这种用法吗？根据意思，我觉得倾向于同位...

问题 farther和further使用比较

...et)偏离目标更远了，又偏离了一步距离：1. I had one step farther away from the target.2. I had another one step far away from the target.二，我迈向预定目标(target)又近一步了：1. I had one step further toward the target in my mind.2. I had one step closer to the target i...

问题 关于独立主格 名词/代词+ done的形式

老师们好，我想知道下面的句子：After the task had been completed, he finally had a holiday.改成独立主格是不是这样：The task completed, he finally had a holiday.是不是还可以说：The task having been completed, he finally had a holiday.?还可以改成：The task being...

问题 没有逗号却是非限制性定语从句的用法（涉及夸克语法的的一个句子）

...这个句子虽然没有逗号，但是非限制性定语从句：She is the perfect accountant which her predecessor was not.确实我们的老师也说过，有没有逗号并非判断是否为非限制性定语从句的唯一标准。我跟我们的老师讨论过，我们认为像夸克这么“...

问题 key to do sth与key to doing sth的对与错

How do you deal with it?The key ______ the problem is to meet the demand ______ by him.A. to solving; made              B. to solve; made答案是 A，我知道 key 之后可以用介词，如 the key to the back door（后门钥匙）。但是如果 key 后面用...

问题 陈述句是否可以具有评论性质

Having already announced that he would withdraw the United States from the 2015 Paris agreement on climate change, having also rolled back a suite of Obama-era efforts to reduce greenhouse gas emissions, Mr. Trump thus reaffirmed his sorry role as an outlier in the global struggle against climate ch...

问题 He sat in the chair with his legs crossed. 对比 The girl hid her box without anyone knowing where it was.这两个句子的的非谓语动词crossed和knowing都是做的伴随状语，为什么前者用的是过去分词而后者用的是现在分词。表伴随的时候一般不都用的现在分词吗？

求一个大佬的解释！！！谢谢！！！

问题 为什么用动名词

He reports that, when speaking, white communicators usually look away from the listener, only periodically glancing at them. They do the opposite when listening.They are expected to look at the speaker all the time.请问这三处为什么用动名词形式？ 如果是when是介...

问题 两个句子中间用逗号的疑问

When contaminating the soil with gasoline properties such as density of compaction are affected, the results show how this parameter decreases up to 2.18 %, a decrease in the density of  compaction results in a higher void ratio, which, in turn, indicates a soil very susceptible to large deform...

问题 as even在句中的成分

But news of those happenings was suppressed outside the provinces of the Northwest. Editors who dared publish anything emanating from Sian, as even the highly respectable Ta Kung Pao pointed out, were threatened with instant arrest.请教一下专家老师 as even the highly respectable Ta Kung...

问题 现在分词作后置定语前面是否可以加逗号

Garbo plays the role of the queen, rejoicing in the love she has found with Antonio.这个试题的解析是rejoicing作伴随状语。请问老师，逗号后面的分句，为什么不可以理解成作Queen的后置定语呢，相当于一个非限定性定语从句：......the queen, who rejoice...