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问题 为什么before前后时态一致(有什么规律吗)

It is not long before they are so accustomed to swimming that they can pick up weights from the floor of the pool.为什么这个before前后时态一致？有什么规律吗?

问题 wonder if he might not

现代大学英语精读1 Unit13中Text A的一句话It made me wonder if he might not have something interesting to tell.参考书给的翻译是：这使我想知道他是否有一些有趣的事想讲.就想知道为什么这里面会出现not?

问题 现在分词修饰问题

A fresh addition to the list is SARS-CoV-2, the coronavirus behind the covid-19 pandemic now raging.这是经济学人文章的一个句子，想请教下里面句子结构和成份：后面now raging是不是现在分词修饰corobavirus，还是修饰pandemic, 如果raging转换定语从句which i...

问题 主句是过去时，从句为什么不用过去将来完成时

He insisted that she (should) say sorry to him first.请问主句是过去时，从句为什么不用过去将来完成时呢？感谢大师解答!

问题 that是引导词还是代词的辨别

People are invited to query Marilyn vos Savant, who at age 10 had tested at a mental level of someone about 23 years old; that gave her an IQ of 228 - the highest score ever recorded.这里的that是引导词还是代词呢？如果是引导词那么先行词是什么？

问题 the only后面可以接复数名词吗

the only 的意思是“唯一的”，它后面好像通常是接单数名词。如： It was the only course open to him. 这是他可采取的唯一方法。 She was the only candidate for the post. 她是该职位的唯一候选人。 请问，the only后面可以接复数名词吗？

问题 一道改错题请教

... well-educated, have higher-than-average household incomes and are willing to spend a bit more on so-called “green” purchases seen as benefiting the environment or society.这句话中有一个错误，答案把incoms改成income，理由是income是不可数名词，但是我查字典发现inco...

问题 In the same way as的用法

They will choose to dispose of rubbish in the same ways as instructed by the government.请问老师in the same way as 引导的什么句，as后面省略了主语和be动词吗？

问题 in my mind的理解与翻译

I’d like to have bought all of them, but I made a small selection in my mind. 请问这个句子的后面一句是什么意思？尤其是后面的in my mind是什么意思？I made a small selection in my mind 是什么意思？

问题 first prize前面可以使用定冠词吗

To his mother's joy, he won first prize.这是2020版高中英语北师大版必修第三册第7单元(p17)的句子。书上说 first prize 前面省略了定冠词。请 first prize 前面是必须要省略还是可以省略也可以保留？

问题 pair作主语时谓语动词用单数还是复数

1. The pair _____ busy making money to buy a new car.填 is 还是 are，或者两者都可以？2. This pair ______ visited the Great Wall several times.填 has 还是 have，或者两者都可以？

问题 payment和expense区别

...chool fees, illness, house repairs and other_____ reduced his bank balance to almost nothing.A.payment   B.amount   C.figures  D.expenses曹老师您好，我想请教一下，这里正确答案是D选项，我查字典时，看到“payment”有可数和不可数，不可数是强调支付的...

问题 分析句子sth inside与access辨析

As well as making access both in and out of buildings easier for people，these allow smaller buildings to maximise the usable space inside.问1: inside词性和成分（定语/状语）；问2: access翻译；问3: in and out of…是否为后置定语修饰access？

问题 这个last week 是状语还是定语

请看下面这个句子，其中的 last week 是状语还是定语？Because of illness last week, I missed some lessons, but I will try to catch up with others.

问题 【语法理论探讨】一个完整的单句可以有两个主语吗？

【语法理论探讨】一个完整的单句可以有两个主语吗？例如：Tom and Mary played on the ground in front of the building from eight to ten yesterday morning.