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问题 分析：He is at a loss what to say.

分析：He is at a loss what to say.请教曹老师: 句中的 what to say 是什么成分？

问题 of和for的介词使用含义辨析

1)It is kind of you to help me.2)It is important for you to do come here.请教老师：有2个问题一直困扰着我：1)我知道of和for的使用区别。第二句用for sb引出后面不定式的逻辑主语，但是对第一句来说，是不是应该理解成：不定式的逻辑主语是of...

问题 句型分析He is worried about whether he can join them.

已知 He is worried about whether he can join them 是主系表结构，请进一步分析句子成分。He  is  worried  about whether he can join them.主  谓   补语    介词   宾语从句请问 worried 是补语还是表语？   

问题 ​But more to this point is the fact that...是倒装句吗

But more to this point is the fact that advertising plays off the information available from outside sources.这个句子是倒装句吗？the fact is available from……

问题 sb is hurt to do sth的句型举例

国内出版的书认为可以说 sb is hurt to do sth：He was hurt to find that few had voted for him.他发现很少有人投他的票.感到痛苦。She was hurt to find that no one admired her performance. 她发现无人赞赏她的表演而感到伤心。但在原版词典中没有找到类...

问题 There is 的宾语（名词词组）拆开的意义

There is preserved among the papers of Washington a letter, written to a friend while he was engaged on his first surveying tour, and when he was, consequently, but sixteen years of age. I quote a sentence from it, in spite of the homeliness of the details, for which I like it the better, and becaus...

问题 Tom is drinking (a bottle) of orange.对括号部分提问

Tom is drinking a bottle of orange. 对划分部分提问。

问题 It is time for me to leave的句子成分

请问一下：如何划分下面句子的成分？It is time for me to leave.

问题 难句分析：...is there none around which intelligent...

Of all the billions of stars out there，is there none around which intelligent life has arisen.后半句没看懂什么意思，结构也不太懂，请老师分析解答，谢谢!

问题 mbs, as he is generally known,中as 用法

And though Mbs, as he is generally known, has strengthened himself, he has weakened the institution. 请问老师as引导的句子做什么成分？

问题 all you have to do is...表示我所必须要做的事该怎么表达

All I have to do is wait it out.All I have to do is locate the sack.All I have to do is whistle这里的have to 是那个 ‘必须/不得不‘的词组吗？如果想表示我所必须要做的事是... , 该...

问题 It is important for us to learn English句子分析

请分析一下这个句子:It is important for us to learn English. 

问题 Exercise regularly is one of...（regularly修饰哪个词）

Exercise regularly is one of the most important ways to help you stay away from catching an infection. 为什么exercise可以被regularly修饰，在这里不是名词吗？

问题 请教There is thought to be…句式的用法

There be 句式可以与 think 的被动式连用成 there is thought to be…句式吗？比如：There is thought to be a strike soon. 据认为，很快会有罢工。There are thought to be more than 3000 languages in the world. 据认为，世界上有有3000多种语言。在网上查到这样...

问题 Sth is difficult to do中的不定式是什么成分

This problem is difficult to work out.中的 to work out 作什么成分？