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问题 感官动词被动句主补可以用现在分词么？

Listen！Is Tim heard (   ) in the room now?A.to singB.singing答案是A，我知道这种还原不定时符号to的用法。我的疑问是既然是让听，那么应该是正在唱歌，用现在分词表示正在 有错么？感谢老师指点~！谢谢。

问题 请问along在这里是什么词性？

Little Pearl，sensitive to her mother’s excitement without knowing the reason for it，was dancing along at Hester‘s side，singing and……翻译：小珍珠敏感地觉察到母亲的兴奋，尽管她并不知道原因。她在母亲身旁边跳边唱，……请问was dancing along at Hest...

问题 有关虚拟语气的选择题(涉及insist后的从句)

They all insisted that the plan _______ practicable.A. was      B. were    C. be     D. should be

问题 Once upon a time,once upon 的修饰关系

Once upon a time,there was a king ruling the country.老师，once 是副词，upon 是介词，前者修饰后者吗？

问题 throw是不接动词不定式的，在句子中如何理解？

 someone threw open the church door.老师，throw to open....好像没有throw to do sth.的，请问如何理解？

问题 doing和to do的选择问题

I suspect that whatever Facebook has done to invade our privacy is only the beginning, which is why I’m considering canceling my account.  这个空，填invading和to invade的区别在哪里呢？invade的动作都是Facebook发出的，从哪里判断，是不定式的形式呢？

问题 there be 句型的表语是否能用不定冠词

there be 句型常见的都是 There is a lamp on 【the】 table. 这个表语的位置是定冠词，是否可以用不定冠词呢？如果不能用，原因是？

问题 Some water中some是什么词性

...，some是什么词性呢？是形容词，还是代词做定语呢？ The last man alive last在现代语法中也被归为限定词，但是他的词性是形容词吧？

问题 play off against each other是什么意思

Elizabeth successfully played off against each other the two great Catholic powers，France and Spain. 这里的played off against each other理解不了。 each other是什么成分修饰什么？

问题 facial expressions(面部表情)为什么用复数

Anthropologists have discovered that fear, happiness, sadness, and surprise are universally reflected in facial expressions. 请问老师这句末尾"面部表情"为什么要用复数？可以写成“in the facial expression." 或”in a facial expression."吗？

问题 谓语是动词和谓语是动词加介词的困惑

students tend to find that the consequences proves less impressive的句型中 谓语是tend 宾语是to find 那从句是做宾补吗？ 为什么又说谓语是tend to，不是非谓语动词做宾语吗？请帮我分析一下到底谁做宾语以及为什么，谢谢了！

问题 不定式做什么成分及含义

The dinner is ready to eat.I'm glad to help.He is eager to please.He is easy to please.这些句子中不定式分别做什么成分？其中第三四句怎么看出来主语是不是不定式动作的承受者还是发出者，只能凭句意吗？He is easy to please翻译成他很好愉悦不...

问题 虚拟语气的问题

What would you do with the money you raise? 之前遇到一个问题，老师解答说这个句子是虚拟语气，可是我想了半天还是没完全懂。以下是我绞尽脑汁想出的原因，不知是否正确：之所以说它是虚拟语气，是因为这个would表示的是可能性，...

问题 课文的3个小疑问

... being 呢？之所以问是否省略，是因为：At 2,473 metres, it is the highest mountain pass in Europe.(老师说，介词短语At 2,473 metres是非谓语省略了being，作原因状语。)这是做精读时，我自己无法确定答案才提问的，谢谢老师解答！

问题 plus作并列连词的疑问

There's nothing worse than having to invent and deliver an opinion on school league tables or Tom's move to Manchester United, plus listen to everyone else's opinions, when all you really want to do is enjoy each mouthful along the way.这里的plus是并列连词，与invent和deliver并列吗？...