请教老师关于垂悬结构的介词短语下面这个句子： By the temperature analysis, theair quantity added is controlled. 是不是构成了悬垂结构的介词短语呢？如果改成：By the temperature analysis, control theair quantity.是否正确呢？谢谢老师！
...问了老师，老师说用 be to do 多一些。 但比如说：One of my favorite things is to dance / is dancing. 我觉得凭语感此处 dancing 更好一些，但也说不清原因，求老师分析！还比如 My dream is to teach 此处就只能用 to do ，为啥呢？
...及的问题是 2020 课标全国卷2语法填空题中的一个句子：
They represent the earth ___63___ (come) back to life
and best wishes for new beginnings.答案是 coming。网友想问这个 coming 是动名词还是现在分词？这个represent sb/sth doing
sth 如何分析？我也有...
......to... 如果谓语改用过去进行时，则可以用from...to...The worker has been fixing the five chairs for 2 hours.The worker was fixing the five chairs from 9 a.m. to 11 a.m.（1）The worker has been fixing this chair since 9 o’clock.为什么这个可以跟from ....to now ？都...
...选哪个选项比较合适呢？
______will leave for Beijing。
A. Now there the man B. The man here now。C. The man who is here。
D. The man is here now
我觉得B, C都可以，但是答案给的是c，不知道这两种句子有什么区别，望老师解答。
The passions at play were evident both inside and outside the House chamber.请问这个at play 应该怎么理解? 结构上,at play 和 both inside and outside the House chamber 都是 The passions 的定语吗?
Friendship is a vase, which, if it is cracked by accident, may as well be broken at once. 请问最后半句话怎么翻译？as well我觉得是“也”，等于“may be broken at once as well”.
Thirty people have been confirmed as having died while battling a forest fire in southwest China's Sichuan Province ,authorities said Monday.老师，红色部分的句子成分如何理解，没有while可以吗？
There is a reason that this community is covid free.Living socially distant from each other is everybody life in this rural community.在这个农村社区里，我们都住得很远。其中搞不懂的是Living socially distant from each other...distant形容词可以修饰living吗？是否应该...