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问题 过去分词作状语的具体用法

Earth Day, marked on 22 April, is an annual event aiming to raise public awareness about environmental protection.想问一下这句话中过去分词作状语的用法。marked on 22 April是独立成分（插入语）吗？几种主要的原因状语、让步状语、条件状语之类的好像都...

问题 关于连词后接分词的疑问

看到本站看到一个问题：https://www.cpsenglish.com/question/8101其中有When doing homework, he often listens to music.这个句子这里的when doing应该是等于when he does homework还是等于when he is doing homework?  希望老师解惑，谢谢！

问题 句子改错(涉及so, by)

If we decide that language did originally develop, possibly involving from animal communication, we can only do so by assuming evolution to be a universally valid principal. 这句话改错说把by去掉。请问老师so这里指代什么，不去掉by好像也翻译的通。

问题 非限制性定语从句用that引导

This last fact, that that is obligatory, should be easy to remember.请问这里的为什么用 that 引导非限制性定语从句？另外，为什么这里有两个 that？

问题 不定式是结果状语还是目的状语的区分

When you cut it off, another one would grow to take its place. 请问：句中的不定式是结果状语还是目的状语？

问题 请教这句话里动词的时态问题

我想这句话里what we want to do is 后面的部分应该是单词is的表格，所以应该是名词性的结构，所以我想单词measure应该是用动名词measeuring才对，请教我这样理解有无错误？

问题 一段翻译中of more than的意思以及through which的用法

...和其他节日的习俗，人们以此来祈祷好运、平安和幸福。The Lion dance has a recorded history of more than 2000 years. …Gradually the lion dance has developed into a custom performed at the Lantern Festival and other festive occasions through which people could pray for good luc...

问题 动词break的“时间”语义特性

为什么下面这句话是错的？He broke the window pane until 6 o'clock.而下面这句话却是对的？The rioters broke window panes until 6 o'clock.

问题 Thought of 用法

Thought of 后面介词跟句子 为什么不是动名词复合结构And as soon as he had thought of that he noticed that the lion’s back and the top of its head were covered with snow 谢谢老师回答

问题 这是没有主句只有从句的句子吗

But perhaps not for long, as the fascinating city steps onto the world stage.这句话正确吗? 好像没有主句，只有从属连词引导的句子。谢谢回答。

问题 关于as...as问题

American opinion was really as galvanized by the torpedoing of the Lusitania as by Pearl Harbour and September 11th 2001. 这里第一个as后面为什么是被动语态的？不是应该接形容词或者副词吗？

问题 分词作定语和表语的问题

请问分词作定语和表语可以互换吗？比如an interesting story=The story is interesting, developing country=the country is developing, 可是像后者这种情况怎么判断是表语还是进行时态的谓语组成部分呢？

问题 句子成分分析

请问曹老师，you can take it off from the table.1. 句中的off是什么词性，它在句中到底是作状语还是宾补，为什么？2. 介短from the table是分析为作动词的状语，即“从桌子上把它拿开”，还是off的补足语，用于补充说明off的始发...

问题 not far from成分问题

他住得离公园不远。这句话翻译成英语是:He lives not far from the park.想知道这里面的not far from the park做什么成分？

问题 flows out of解析

flows south out of the mountains of central wales，flow eastward out of the Cotswold hills。这里的south还有eastward是什么词性 flow out of什么词组，修饰什么，有点理解不了。