问题 If it hadn’t been for…可以简化为 if not for…吗

...不知会弄成什么样子。这里难道不是应该用 If it hadn’t been for your help 吗？为什么用 if it not for your help 呢？难道是 If it hadn’t been for…可以简化为 if not for…吗?

问题 go用作连系动词有哪搭配（全面归纳）

...d] pale at the news. 她听到这个消息脸色变得苍白。 His hair was going [turning] grey. 他的头发慢慢地变白了。 想请老师归纳一下，go 用作连系动词有哪搭配（指比较全面的搭配归纳，若能分一下类则更好），谢谢！

问题 维基百科上的定冠词使用是否正确？

The Asuka period (飛鳥時代, Asuka jidai) was a period in the history of Japan lasting from 538 to 710 (or 592 to 645),为什么这里用a period？而不是the period 后置修饰语应该能够把这个时期修饰到确定的一个，为什么还是a

问题 I've been married long enough for the both of us.为

Never stayed married long enough.    - Oh, well....don't worry, I've been married long enough for the both of us..I've been married long enough for the both of us.这句话是什么意思？为什么用被动语态？

问题 Shall we go by bus or train?是一般问句还是选择问句

Shall we go by bus or train? 请问这是一般问句还是选择问句？如何回答？

问题 进行体表示短暂性习惯（the professor is typing his own letters

...教授的秘书生病了，他都自己打字。。。 【2】Tom has been scoring a lot of goals this season. 请问这句话和用一般完成体有什么区别？这不是加强了种情感意义。

问题 one of small account中的small account为什么可以是单数？

... famed citation index, that is to say the number of times a paper has been quoted elsewhere in the scientific literayure, the assumption being that an important paper will be cited more often than one of small account. one of后不是应该接名词复数吗？而且account是可数...

问题 分词用法疑问（, and running...）

He said Google has made improvements since then and was confident it could deliver games in the largest high definition standard, 4K, and running at 60 frames a second.最后and running让人摸不到头脑，running我觉得是deliver的伴随状语，可是为什么要用and连接？难道这是...

问题 第二个that前but可以省略吗

She didn’t tell them that she was afraid she might die, that she worried nobody would hug her or give her a proper goodbye. 我觉得是not that...but that...结构，但第二个that前为什么省略but呢？还是我的理解有误？先谢谢各位大咖专家老师！！！

问题 one or two...作主语时的主谓一致问题

问题 Ungainly shapes or abrupt transitions were frowned

问题 人称代词作表语主格or宾格？

Who is knocking at the door? It's I/me.If I were she/her, I would take the advice.请问刘老师，这两个句子都对吗？人称代词作表语，正式情况多用主格，口语多用宾格？

问题 曹老师解答的《过去分词done与现在分词的被动完成式having been done有何区别》自己的两个疑问

网址：过去分词done与现在分词的被动完成式having been done有何区别 - 柯帕斯英语网 (cpsenglish.com)我的疑问1：Built on the mountain top, the house looks like a palace.为什么本句就不能用having been built？用having been built可以强调被动动作built本身...

问题 怎么辨别什么时候用过去完成式

... the surface proved to be of great interest.这里为什么不是which had been brought to the surface，如果不能，怎么辨别什么时候用过去完成式还是用过去式？  

问题 both and, neither nor, either or 存疑

I'm going to vist______New York______Los Angeles this summer holiday.请问老师这句话除了either or之外是否也能用both and 和 neither nor?今年暑假我要不去纽约要不去洛杉矶。今年暑假我纽约，洛杉矶都去。今年暑假我既不去纽约也不去洛杉矶。