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问题 现在完成时的用法

时间状语副词before.just.in the past.recently常常和完成时态连用，请问这时的完成时态表示“已完成的影响用法”还是“未完成的持续用法”呢？我们可以 将这句话Tom has liked the girl before.和以上副词连用吗？

问题 ever witnessed的ever含义

The world is going through the biggest wave of mergers and acquisitions ever witnessed.请问老师，这里的副词ever表示的是什么意思？

问题 为什么用过去完成时

Last month, Germany’s constitutional court paused ratification of the debt plan until the court had examined it. 审查应该是在暂停后，为什么用过去完成时呢？谢谢老师！

问题 following的介词用法

This starts off following a gentle river valley but the last part is quite exposed so the snow conditions can be challenging. following 作介词时候常表示在（某事）以后，但此following后跟地点，请问这个following在此是否表示在某地点之后。

问题 一个句子结构问题

I hope you good luckI hope you have good luck这两句那一句是对的，能不能麻烦从句子结构分析一下。谢谢

问题 句子时态和语法分析

I'd never get tones right ever.请问这是什么时态？还有get tones right是宾补吗？

问题 代词用法以及复杂句

We can do a wide variety of things for our clients: we can type all their letters and prepare any documents that they might need sending out.老师们好，请问这句话中的they到底是指clients 还是documents? 后面的that从句是同位语从句吗？（意思有点怪怪的！）

问题 英语复杂长句that从句分析

Shares in Allergan, a pharmaceutical firm with headquarters in Dublin, fell by 15% in response to suspicion that tax-avoidance legislation would scupper its planned $160 billion merger with Pfizer, an American drugmaker. 请问：that 引导的是什么从句？

问题 为什么是选 Spanish

You should polish up your _______ before you go to Chile.A. Chinese    B. Japanese    C. Russian     D. Spanish答案是D，为什么是选 Spanish 呢？

问题 more of a taboo是什么用法？

There seems to be more of a taboo about taking about money than about death.可以换成more than吗？

问题 时间状语可以放动词后面吗

Gay rights activist Larry Kramer has long speculated that Lincoln was gay, claiming in 1999 that he'd discovered Lincoln's love letters to onetime roommate Joshua Speed这个为什么时间状语放到了claim后面，为什么that不是修饰1999，而是宾语从句?

问题 “a full+复数名词”是什么用法

It takes us a full eight hours to get there.老师您好：请问此句中a full后面接一个复数名词应是什么用法？如果我语感没错的话，似乎full在此处也可以替换成good。

问题 放在句首的状语从句与非限定性定语从句的区别(比较由as引导）

As is often the case, we have worked out the production plan.(逗号前是非限定语从句)As he was elected as the new president, he became prudent.（逗号前是状语从句）像这样逗号之前的句子，本质上都可以作为一个插入语来进行独立翻译，但是我要如何区...

问题 介词inside可以表示动态吗

inside 用作介词时，是表动态还是表静态？比如下面这个句子：The mother called her children inside the house. 它是表示：母亲叫孩子们进屋去。（表动态）还是表示：母亲在屋里叫孩子们。（表静态）

问题 but做介词的用法

And still they went on and on, with so sound but the everlasting swish of the snow.这里的but是介词 引导的介词短语做with的宾补吧，but介词短语可以引导表语从句吗感谢老师回答！