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问题 一个句子为何存在两个动词？

All it would do is slow down the rate of change.  (选自Public Attitudes Toward Science By Stephen Hawking)译文：它所能做的只是延缓变化的速度。请问老师，句中有两个动词，一个是表语is，另个一个动词slow down及后面的部分整体作表语。slow down ...

问题 help 后面的动词不定式 to 要省略吗

Henry's new Lord Chancellor, helped put into effect the Act of Supremacy.老师，如何理解 effect 在句子中的成分？put into effect the Act of Supremacy？如何理解？

问题 ​get dark与go dark的区别

As it got dark, the wind died down. 风到了晚上就逐渐变小了。Suddenly the whole sky went dark. 突然间整个天空暗了下来。请问这两句分别用 get dark 和 go dark，可以互换吗？若不可以互换，区别的依据是什么？谢谢专家！

问题 than从句是省略了主语还是倒装

The result will be less effective than would be achieved by a teacher in harmony with the unit. 关于这个句子有以下疑问：1. 这个 than 后面直接跟了 would be，它是省略了主语还是属于倒装用法？2. 如果是省略主语，但这个主语并不是“对应项”啊...

问题 句法问题（even as much...引导的从句）

Mr.Summers spoke frequently to the villagers about making a new box , but no one liked to upset even as much tradition as was represented bu the black box. 后半句 even 引导的状语从句语法有点看不太懂。

问题 more的位置(放在定冠词之前还是之后)

 They may call one another — copains — a word that in English becomes "friends" but has more the feeling of "pals" or "buddies" .more是形容词更多的意思，可以像这样放在the前吗？

问题 they can后的省略

For parents, giving children the best start in life has come to mean doing everything they can to ensure that their children can climb to a higher class, or at least not fall out of the one they were born into.这里can后面省略了do吗？ensure that后面都是宾语从句，而they can后面都...

问题 关于单词earn的用法

1、Buying seven pairs of the magic insoles would earn a member the right to become a distributor（经济学人）购买七双魔术鞋垫就可以从会员成为经销2、I think that's earned him very high admiration.（柯林斯字典） 我认为那一点为他赢得了极高的赞誉...

问题 表示总称的数通常不可数吗

We add carbon dioxide to the air when we burn (things),especially fossil fuels. Fossil fuels are energy sources formed from the remains of (plants) and (animals) that lived million of years ago.请问书上说"表示总称的数通常不可数"，那为什么句中的 thing , plants用...

问题 past few years所连用的时态

My brother has been in the United States of America for the past few years.1.既然是过去几年在美国,表示现在并不在了,那为什么用现在完成时呢?而不是过去完成时呢?2.few不是代表否定意义的"几乎没有"吗? 难道这里不应该用a few吗?

问题 a few...位于句首时后面是否要倒装

刘老师，请问这句话是否需要部分倒装？A few paces off in the darkness there was a shadowy figure squatting against the wall.加粗部分前置是否需要倒装？期待您的讲解！

问题 动词短语后面能接形容词作补语吗

It is only by listening to their ideas and suggesting a possible solution that you will solve the problem and send the customers away happy.请问此句中的happy是否正确？要不要改成happily？

问题 怎么分析和理解 which should happen

I don't want children taken away from parents and when you prosecute the parents for coming in illegally which should happen you have to take the children away.It was torture what they did to us. 怎么分析和理解 which should happen ？

问题 定语从句选择题（好多人对答案不一样）

There are many copper mines in the state of Arizona, ______ contributes significantly to the state's economyA which fact B whose fact 到底是哪一个啊？ 有的说A 有的说是B?

问题 not until和not unless

...分not until和not unless呢?Government cannot inject a single dollar into the economy until it has first taken that same dollar out of the economy.这个句子until可以换成unless吗？还有本句应如何理解呢，中文意思看不太懂，什么是政府把钱拿出来才能把钱放进去...