问题 现在完成时与现在完成进行时

...作的进行、持续性。2.不久前正在发生的事情呢？比如：I’ve been translating this article for two hours./We have been working hard for several months.结合语境可否表示动作已经结束只不过强调动作的进行、持续性，或者表示刚刚正在发生的含义呢...

问题 请补充as soon as possible 后面比较状语分句完整形式并给出理由

...ible.  你最好尽快发电报告诉我你的答复.Please oblige me with a reply as soon as possible.  请尽早给予答复。(7)We agreed to contact again as soon as possible.  我们同意尽快再次联系。 

问题 Tom,normally a timid boy,jumped into the river and saved the drowning girl“normally a timid boy”是同位语，但是这里副词也可以修饰名词嘛

问题 chalk做名词时是不可数名词吗

到我查牛津词典居然有a box of colored chalks的表达，那么这个表达a box of colored chalk不对吗？按道理说chalks应该表示不同种类的粉笔呀？就像foods一样的道理?母语者更倾向用那种表达？

问题 there's been 和there was 区别？

there has been a lot of rain this summer.there was a lot of rain this summer.there's been 和there was两者有啥区别？

问题 动名词还是现在分词

And it is used for business notes, planning activities, keeping track of scheduled appointments, or documenting what has already happened. Some doctors suggest that writing in a diary is a good form of self-study.老师您好！第一个标粗的documenting为什么不是动名词，or后面就一...

问题 什么情况下主语后可以直接跟过去分词

A field of struggling rookies sown so that some year soon we can reap an October harvest.请问A field of struggling rookies sown属于什么结构，为什么要用sown，是表示已经种下了的状态吗，求老师解答!

问题 But more than is released in London...用法疑问

But more than is released in London, angst about a no-deal or otherwise fraught Brexit splitting the West and insolating Britain continues to stay the hand of even the most negotiation-weary European leaders.老师好！两个疑问，其一是more than可以作主语吗？二是angst句子是否...

问题 that可以引导状语从句吗

At the LEAP Institute, they teach mental-health professionals how to build enough trust with the mentally ill person that he will follow advice even if he won't admit to being sick    请问:这里的that单独出现引导的是状语从句吗？

问题 a wilderless中的冠词是泛指意义还是定指意义

...s movement ,driven by powerful and diverse motivations, built a nation out of a wilderless. 这里的a nation很明显是冠词a的定指意义，我想问的问题是a wilderless应该理解为泛指意义还是定指意义？因为我发现好像两种意义在这里都能解释的通，那么它...

问题 介词短语作对象状语

but they do nothing of substance for the rest of the living. 请问for the rest of the living在这里是对象状语吗？

问题 more slowly 和 slower的区别

The story of Unusual Weekend goes _____ than people expected.A.more slowly  B.more slower都是比较级，为什么B不可以呢？

问题 分析句子成分(where作什么成分)

能帮我分析一下这个句子的成分吗？This is the name of a wood, where, presumably, there are or used to be bears.where在这里是什么成分呢？

问题 请教一句话的理解

看一篇食物安全文章中一句话，if we hunted all of the world's wild mammals and birds, they'd get us by for a few days.请教这句话中的get us by是一个固定表达格式吗？如何理解它的使用和表达含义呢？

问题 现在分词和不定式作定语的区别

They organized a committee____(represent) every one of the southern sates.这个句子的答案representing和to represent 都可以吗？