问题 where people are at是什么用法

...e really communicated our wish to understand where people are at and help, the response has been really strong.我的语感第一感觉那个at是多余的，但仔细分析也看不出问题，系词are接介词at，where作at的介宾。请问at在这里究竟什么用法？能不能去掉？

问题 名词性从句只用that

...就是用that引导。除此之外，没有其他。”请教曹老师：The   problem  is  who  we  can  get  to  replace  her  ( 关联词是疑问代词who）That  is  what  he  meant  （关联词是缩合连接代词what )以上两句为表语从句，同样也是处在名词的...

问题 从句中的动词形式有什么讲究

The basic ego depletion effect is that drawing on self-control to complete hard task drains us, but that wasn't found in a recent 23-lab replication effort.请问:1. drawing 为什么要用动名词形式，而drain用三单形式?2. a recent 23-lab replication effort是不是可以翻译为“...

问题 It was my first time后接动词(to do还是doing)

It was my first time spending Spring Festival in China with my host family. 这是高中英语新教材北师大版必修1第3单元中的一个句子(p52)。 为什么这里在 it was my first time 后面接 doing 呢? 这样也可以吗？不是该接不定式 to do 吗?

问题 however是用作连词作插入语吗

That's an explanation, however, not an excuse. however是作为连词，在这里是插入语吗？可以理解为That's an explanation.However, that is not an excuse？

问题 遇到既可以当介词又可以当连词的词后面接的doing是动名词还是现在分词

遇到既可以当介词又可以当连词的词，怎么区分后面接的doing是动名词还是现在分词?I need more practice before taking the driving test.句子里的 before taking the driving test为什么不是介词引导动名词作状语，而是连词引导的现在分词作状语?

问题 It is time you made...的用法分析

You are twenty now, and it is time you _______ the decision for yourself.A .made B. make C. making D. makes谁可以讲讲made在这句子里是什么用法？

问题 现在分词的用法以及在句中的作用

This brief visit with Mother Nature cost me two days off from work, recovering from a bad case of sunburn and the doctor's bill for my son's food poisoning.recovering from 在这里为什么用ing形式，在句中不是做状语吗？

问题 just在这里的词性和翻译

Just about every June, on the anniversary of his company’s founding, Richard Liu dons a big motorcycle helmet and red uniform, hops on a three-wheeled electric bike and makes home deliveries for his e-commerce company JD.com.问：第一个词 just在这里的词性和应该将其翻译为什么...

问题 动词vary后面通常可接哪些介词

动词 vary 后面好像通常都接介词from…to…。比如：Test scores vary from school to school. 测验成绩各校不同。Prices vary widely from shop to shop.  商店之间的价格相差很大。Medical treatment varies greatly from state to state.  医疗制度各州大不同...

问题 No matter what he may appear to be like,

为什么like前面要加动词be?

问题 关于 后置定语 不定式和分词 问题

You want to be sure they all receive enough emphasis to be clear and convincing.请问老师，为什么这里有个 to be ？为什么有？它什么成分，作定语吗？我认为是定语，因为有and convincing，说明 to be clear 和convincing 是一个成分，即都是定语。哪作定...

话题 Sam told his friends everything there was to tell about...

问题 非谓语动词做定语

非谓语动词having (been) done/to have (been) done/doing/being done/done/to do/to be done/to be doing都可以做定语吗？

问题 buy sth for…与buy sth at…的区别

buy sth for…与buy sth at…为什么要用不同的介词，两者有什么区别？