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问题 可以在which引导的非限定性定语从句中套一个which引导的限定性定语从句吗

...This dazzling carpet, really a reflector, drove away the rays of the sun with wonderful intensity, which accounted for the vibration which passed through every atom of liquid. 这句话里有两个which. 第一个which引导非限制性定从，在这个定从中又包含了一个定从，关系代...

问题 某日报中疑似不当之处（get to where I am是否要删除to)

读日报时，觉得有不当之处，我做了标注，并截图。请专家老师把把关，看看我的看法是否正确，期待您的指导。

问题 wait for sb to do sth句型解析

老师好，在 wait for sb to do sth 这个句型中， 不定式是否是做sb的补语？如： We have to wait for him to come.I can’t wait for them to finish talking. 

问题 to varying degrees 是什么成分

The most important change, however, was the shift from diets based exclusively on food collection to those based to varying degrees on food production.句中 to varying degrees 是什么成分，位置可以变动吗？

问题 managed to offend如何理解

In his quest for truth ,Socrates managed to offend many of the powerful figures of the Athens.manage to do牛津双解里意思是勉力去做。这里 managed to offend如何理解？努力去冒犯雅典的权力人士？感觉不合理。

问题 如何正确使用to do

如何正确使用to do ？ 如何理解？The project is based on his idea to start.

问题 date back to

date back to experiments conducted in 2012 为何date back to 后面接的是个从句，或者接的是个不是时间的名词？

问题 have to是否为情态动词(后接动词时如何区分谓语)

老师您好:Fifteen policemen had to push very hard to get him off the main street.疑问：have to 是否为情态动词？网上说法很多。本句中谓语是 had to push 还是push?谢谢，盼复！

问题 Were you going to say goodbye?

...收拾行装（打算不告而别），女主走过来说：were you going to say goodbye? 字幕翻译：你不打算说再见吗？请问：此处“were you going to say goodbye？”为什么语态？为什么不用don't you are going to say goodbye? 或 Are you going to say goodbye?

问题 is to 与 is that 的区别

老师，请问使用 is to 或 is that 来做表语时，有什么区别？例如：1) Our plan is to finish the work in two days.2) The main task of this research is to understand the meaning of the universe.老师，这两个例句都是用不定式to来作表语的，它和that从句作表语有...

问题 according to可用作表语吗?

according to 主要用作状语，这我知道，但它可用作表语吗?比如： How did you do the work? It was according to what told me. 这句中的according to用得对吗?

问题 cause sth to do 句式分析

We are aware of an issue in Gmail causing promotional email to be incorrectly categorized. 这里的cause sth to do是sth为宾语,to do为宾补？

问题 permission to do sth可以有the吗?

比如下面的句子，permission to do sth的permission前都没有用the，可以加上定冠词the吗？Who gave you permission to come in here? 谁准许你到这里面来的?He had permission to go out for an hour. 他得到允许外出1小时。She asked for permission to leave work early. ...

问题 两个并列不定式第二个不定式要不要带to

请问是 to do and do 还是 to do and to do? 如果把 and 换成 or 呢？后面一个不定式要不要带 to？

问题 too...to不解释为“太……而不能”的原因是什么

It is a welcome corrective to the old regime, which took too long to restore the economy to health after the global financial crisis due in part to a misplaced fear of inflation.谢谢各位老师！