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问题 英语语法和句子结构分析

Post-traumatic stress is far from the only possible outcome. In the wake of even the most terrifying experiences, only a small proportion of adults become chronically troubled.老师，请教您这句话的语法及句子结构。

问题 并列句还是非谓语动词

请问一下，It is very difficult for parents to decide whether to have a second child or not,为什么whether后用to have是不是表示选择的并列句，还是非谓语。请帮帮，谢谢！

问题 独立主格判别

A new problem threatens to earn them —especially in America—the sort of nasty headlines that inevitably lead to heads rolling in the executive suite:date insecurity. 1.请问rolling in the executive suit :date insecurity这一部分作什么成分？是独立主格吗？ 2.为什么莫名其妙...

问题 all作主语的主谓一致

____can be done ____ been done. A.All,has B.All,have C.All that,have D.All that,has 还有这里的All指的是什么？

问题 ​不定式主补和定语什么区别

I have a lot of clothes to wash.中to wash为什么是定语而不是补语？

问题 如何理解when

请问老师这个when怎么理解，hospitality供过于求的时候，疾病正好发生了，如果是这样，句子意思好像不对。那么是：疾病发生的时候，hospitality正好供过于求？hospitality应该是医疗物资，不过没在词典找到，请老师一并解答。The d...

问题 as后虚拟语气

After a year on May 5th, some people threw zongzi into the river to feed Qu Yuan as if he_____ alive. 答案给的是were，按理说表示与过去事实相反应用过去完成时啊。还是说屈原的生死与当时人们扔粽子同时发生。

问题 关于how和what的用法

请教老师They want to know ___ do to help usA. what they canB. how they can正确答案是A，第二个选项错在哪里？请老师解答

问题 形容词短语后置

...改成定语从句，不能说life which is unwilling to die，也不能说a self-obsessed online culture  which is hellbent on getting…vanity，那这里还是形容词做后置定语吗？或者说这里是形容词短语作同位语。

问题 后置定语加定语从句

There is a long novel (called the Da Vinci code )（which was written by an American writer Dan brown).请问各位老师，括号1是后置定语吗？可否改为which called the Da Vinci code吗？如果可以的话，那么前置词novel 就有两个定语从句了吧？ 

问题 comparatively, moderately, relatively是程度副词吗

请问专家：comparatively, moderately, relatively是程度副词吗？另外，a bit, fairly, pretty, quite, rather 算程度副词吧！

问题 what 在从句中作什么成分

what 在从句中作什么成分?Alden described what he wanted to a designer.在这里what 引导宾语从句在从句中作什么成分?

问题 not 放在句首否定主语的用法

Not a syllable was uttered by either.请问各位老师，把 not 放在句首否定主语是什么用法？

问题 still作副词修饰什么

请教老师，这个句子里的still是修饰形容词only么，还是修饰什么？However,progress remains painfully slow and there were still only 18 posts filled by women out of a total of 354 non-executive positions surveyed.

问题 the first的用法

In a story, horsemen from Mongolia were the first to make hot pot.这里的 first 后面省略了people么? 还是直接作代词，后面的 to make hot pot 是一个形容词片语修饰 people 或者代词的first？是这样么?