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问题 Related to security is isolation.Related to是做什么语法成

Related to security is isolation.Related to是做什么语法成分？感觉不是前置定语啊，这句话是倒装么？谢谢

问题 would have done表推测

...sp;of the lower-ranking types whose drudgery is eased.请问老师，这里的would have been是什么用法？我的理解：这是从现在的立场对现实可能性进行推测时，情态动词的过去形式并不表示过去，而只表示说话人推测时的信心小于相应的现在形式...

问题 句子成分分析

I won’t stay where I feel I’m not welcomed. 那这句话I feel I’m not welcomed. 算有宾语从句，还是I feel 看作插入语。帮看看，谢谢。

问题 influence的用法

have a great influence on这个influence做影响意思的时候是不可数名词吗？为什么前面还加个a？

问题 Swim is fun对吗(名词swim可以做主语吗)

以下两句都正确：Swimming is fun.   To swim is fun.但是，可以说 Swim is fun 吗？盼望专家老师能解惑。

问题 never用于现在完成时态时是频度副词吗

请问专家：never 用于现在完成时态时是频度副词吗？如：I have never seen him.I have never enjoyed myself like that.He has never been there.We have never read the book.

问题 英语单项填空题（涉及时态、情态动词表推测、非谓语动词等）

...se !  Do you know what it ___ of ?A.was  made  B.is made 我的理解是句子问的是建房子的材料是什么，也就是现在还是这种材料，用is made。2. A: Excuse me . Do you know ____?  B: Sorry , I don't know , either.A.how to check out a book   B....

问题 include sth in it中in it可以删去吗

The price includes the furniture in it 中 in it 可以删去吗？

问题 I'd appreciate it if...是虚拟语气句式吗

I'd appreciate it if you would lend me some money.请问专家：这是虚拟语气句式吗？

问题 这种of结构还能前后互换吗?

a country of people with varied originsmagnificent variety of plant and animal life请问这种很长的of结构,还能前后互换位置，变成这样吗？  people with varied origins 's country  ;    plant and animal life 's  magnificent variety

问题 forward作何成分

In the long jump, competitors have to jump as far forward as possible.这里的 far 和 forward 都是副词，两个副词叠用作状语，常见吗？jump as far forward as possible 可以理解为 jump forward as far as possible 和 jump far as forward as possible 吗？

问题 as then 用法

"I tend to go less bold with outerwear and more bold with base layers as then your bigger pieces like jackets and coats will work with more looks," he says.这句话的as then是不是在这里做状语？是副词短语吗？什么意思？相比那时吗？

问题 happen to be 中的to be可以省略吗？

比如 There happened to be a pen on the desk. happen to be 可以像seem/ appear to be 那样省略掉to be 吗？

问题 句末的 to choose from 可以省略 from 吗

This evening, I went to Chinatown. There were so many good cafes and restaurants to choose from.请问句末为什么要加一个介词 from？这个 from 可以省略吗？

问题 择比结构可用于复数名词或不可数名词吗

It was more of a holiday than a training exercise. 与其说是培训活动，还不如说是度假。more of...than...好像都是用于单数可数名词。请问可以用于复数名词或不可数名词吗？