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问题 状态即将改变应该用什么时态

请教老师在状态即将改变的临界点应该用什么时态，比如一个小球滚到桌子的边缘，应该说 It is falling.还是 It will be falling.还是 It is going to fall.

问题 谓语动词时态不一致

Governments are spending rapidly to get economies back on track, provide emergency support and procure medical supplies.老师您好，请问这里的三句话，第一个谓语动词spending是进行时，为什么后面provide 和 procure是一般现在时了。前后不一致啊。

问题 barefooted的用法与词性

He said I mustn’t stop barefooted, so I had to buy a pair of new shoes. 他说我不能老光着脚，因此我不得不去买了一双新鞋。请分析barefooted的用法与词性。

问题 the only后的名词

For many in China, delivery drivers like Mr zhang are the only connection to the outside world. 请问老师为什么connection是单数呀？不能用connections嘛，谢谢老师。

问题 介词短语by boat作主语

By boat is the only way to get here, which is how we arrived.不是说介词短语不能作主语吗？这句是怎么回事？

问题 不定式作什么成分

In some European countries, the salaries and pensions of working people have been cut because governments are in debt to control banks and lenders.请问老师们，这里的不定式是做什么成分？

问题 consider的问题

To get a better understanding of what's going on, consider the way immigration's impact is felt. 为了更好地理解正在发生的事情，我们可以考虑一下人们是以何种方式感觉到移民的影响的。能解释 consider the way immigration's impact is felt. 这个句子成分么...

问题 过去分词用法问题（crouched还是crouching）

请视原句：He has to rest slightly crouched.请问该句中的 crouched 是何用法？为什么不用 crouching？

问题 as...as 的用法

Parents now see failures as a terrible disaster with negative consequences as opposed to something their children could recover and grow from. 各位老师，这个句子没太看懂，第二个as 是什么作用？请指教！

问题 introduce 的用法疑问

Are there any places in China with rich biodiversity like the Amazon rainforest? What are they? Introduce one to the class.请专家老师分析一下introduce 的用法。我查了一下英英词典，好像没有一条是符合此句用法的。

问题 英语长难句分析

老师好！想请老师详细讲解一下这句话。The 15 wild Asian elephants among which one male turned back in July finally returned to their habitat after touring for 17 months in Yunnan Province.

问题 非谓语动词的填空题

There is a wonderful story about a young girl who had no family and no one _____ (love) her.为什么是填写to love ，我写的是loving。为什么不可以呢?

问题 关于be done 作谓语

The report urged that all children be taught to swim.这份报告呼吁给所有的儿童教授游泳。请问老师，这里的be taught 为什么不是 were taught?是省略了should 吗？

问题 句子后置定语成分分析

Emperor Wu Di ordered expansion of the existing wall to protect land won when his armies defeated the northern tribes.请问老师:这个won when引导的句子作为后置定语吗？还是状语？还原后是不是 land that was won when ...

问题 make 加形容词用法

Shakespeare employed the word as both a noun and a verb, meaning both obvious and to make obvious.最后这个make为什么直接接了obvious?有省略吗？