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问题 at different time还是at different times(2016四川卷)

While the effect of cows milk harvested at different time has not been tested on humans up to now, taking melatonin drugs has been suggested to those who are struggling to fall asleep at night.请问这里的 time 为什么不用复数？

问题 动名词having done在书面和口语中的使用

... done 属于名词，按道理可以做主语、表语、动宾、介宾、定语，但在书面和口语中，基本没见过，请教为什么？有种说法，动名词doing可以在口语中代替having done，表示主句谓语之前的完成动作，请教这种说法是否正确。如正确...

问题 对主语为过去时，从句为完成时的疑问

Turning to Fred and George, she said, 'It's no-go with the Extendable Ears, she's gone and putan Imperturbable Charm on the kitchen doorFred heaved a deep sigh. 'Shame. I really fancied finding out what old Snape's been up to.' 这句话中fancied是过去式，后面的has been up to为什么是...

问题 As she()the newspaper , Granny() asleep. A. read , was falling B. was reading, fell

答案给的是B，我认为A也正确，as引导的时间状语从句中的动词可以是延续性的，也可以使短暂性的，那A为什么不行，是单纯上的翻译问题吗？谢谢老师

问题 介词短语by the detestation...是前面被动语态施动者（即主语）吗？

... art ） 的施动者（即主语）吗？然后这个施动者后面再接定语从句对施动者进行修饰？

问题 What从句的疑问

The test pieces  were loaded with a weight according to what is described in the standard methods.请问老师，这句话中what从句的使用正确吗？这是主语从句？

问题 英语可以用逗号连接分句吗

...ng with the increase in water content为啥among前没有加连词，后面的the Mr前也没加连词，这不是逗号连接分句了吗？是不是错了?

问题 现在分词与过去分词做定语知识模糊 leave用法知识模糊

...200万只蜜蜂. ①喷洒的昆虫。喷洒为什么不用过去分词作定语翻译为被喷洒的昆虫？ ②left是leave过去式，作谓语，它是使役动词还是实意动词？是和make有一样的用法吗？make sth+adj，因为我看到dead是adj

问题 如何理解if you will…的用法

根据主将从现的原则，条件状语从句不是不能用将来时态吗？但为什么下面一句却用了 if you will…呢？这该如何理解？I’d be grateful if you will let me know soon. If you will sit down for a few moments I’ll tell the manager you’re here.

问题 宾语从句可以出现将来时吗

The way you look at life will determine how you feel, how you perform, and how well you will get along with other people.宾语从句中出现了将来时，可以吗？

问题 not a word 等位于句首时句子要用倒装吗

书上在列举倒装时说：表示否定意义的词置于句首时，后面要用部分倒装，其中的列举的否定意义词包括 not a…（如 not a word, not a man, not a soul 等）。如： Not a word was spoken. 一言未发。 Not a soul was to be seen. 一个...

问题 what I’d call “mini-zoos” 是名词性短语还是同位语从句

Since we were not planning to spend so much on a duck any time soon, visiting them in one of these places—what I’d call “mini-zoos”—seemed to be the perfect choice.这个句子中，what I’d call “mini-zoos”是名词性短语，还是同位语从句？要怎么分析？

问题 make后面能能接从句吗

This same absence of moral purpose was wounding companies such as News International, she thought, making it more likely that it would lose its way as it had with widespread illegal telephone hacking.这个是什么从句呢？make后面不是不能接从句吗？

问题 being后接形容词、过去分词以及用于with复合结构的宾补前时的省略原则

...的那个being exposed是不是对的呢？为什么曹老师说不对，只能exposed呢？（3）参考以上（1）和（2），是不是暗示着有大致这样一种规律：如果V-ed确认是分词性形容词，being可有可无（即可省略）？如果V-ed不是分词性形容词，而是...

问题 when还是where的选择

Bruising can lead to squishy parts and faster ripening, which is where hard cases built specifically for bananas come in handy.请问此处where可否替换成when，原因是？