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问题 the n + of 理解

The sporopollenin exine surface possesses phenolic, alkane, and carboxylic acid groups. Accordingly, sporopollenins would be a promising low-cost biosorbent for the removal of heavy metals from aquatic media.Although structures of sporopollenins from various lower and higher plant species have been ...

问题 为什么说成be sworn in as 被动语态结构呢？

VOA:A less sweeping immigration ban was later upheld but is likely to be reversed by Joe Biden who will be sworn in as President Jan 20th.为什么说成be sworn in as 被动语态结构呢？

问题 系表结构(be...)可以表示动作吗

系表结构(be...)一般都是表示状态，请问它也可以表示动作吗？谢谢！

问题 be left to如何理解

This process need not be left to the unconscious.请问老师，这句话怎么理解？left是什么意思。

问题 be impossible后面的不定式该不该用被动式

...被认为是不可能的任务。He finished the task which was thought to be impossible to finish on his own.是否应改为：He finished the task which was thought to be impossible to be finished on his own.

问题 关于省略不定式的问题

...灌顶的感觉。昨天看到曹老师回答说 want sb done 是 want sb be done 即不带to的不定式省略be之后的形式，曹老师说be在这里必须省略，请问这里的be是基于为了简洁性而省略掉还是说若是be存在这个结构就不合理，即 want sb be done这个结...

问题 deserve为什么不能加being done

Deserve to be done 或doing为主动表被动为什么不能用being done我理解的是to do有逻辑将要的意思，deserve后的动作在其后发生所以用不定式 Doing安照动名词理解为动词诸如want need可以吗

文章 【问题讨论】 Especially is this the case with... 这个表达正确吗

...ouin Arabs'. 3Especially is this the case with regard to freedom of action and unexpected rewards. ▲在Oxford Fowlers Modern English Usage Dictionary第二版的第166页作者Fowlers这样写道：Especially with inversion. The word is a favourite with victims of this craze (see INVERSION): Sprin...

问题 be good 之后的介词怎么用

在 be good 之后常接 at, to, for等介词，请老师具体介绍一下，谢谢！

问题 to be done可以作主语吗

to be done可以作主语吗？ 谢谢老师！

问题 like引导的是什么从句

If these guys are anything like you say they are, then it’s gonna get worse.请问这句话中的like you say they are是定语从句修饰anything吗？但是like不能引导定语从句呀，实在是迷惑不解，然后我又搜到了另外一个类似的句子：Don't be too quick to jump int...

问题 what在句中做什么成分(为什么not可以否定它)

You fail to recognize that it matters not what someone is born, but what they grow to be.这里面的you are to recognize是主谓宾，that和but引导的并列宾补，我理解的对？what 在句中做什么成分为什么not可以否定它?

问题 see表见证的时态问题

...cedented economic growth, as well as making breakthroughs in its relations and exchanges with the rest of the world.现在完成时态have seen可以改为一般过去式saw吗?2)  Next year sees the centenary of Mahler's death. 句中的sees可以改为will see吗？

问题 请教 There appears to be 的用法

书上在说到动词 appear 用于 there be 句式时举了这样一个 例子：There appears to have been a big storm recently. 这里用的不是 there appears to have 吗？为什么没有用 there appears to be 呢？

问题 I'm probably just being silly.这是什么用法

I'm probably just being silly.  它这里为什么being silly阿? 进行时吗?