问题 although 和 though 从句也可以省略主语和动词be 吗

He is very experienced though young.请问这里的 though young属于省略用法吗? though 后面是不是省略了 he is？

问题 keep后面的省略用法

The children cannot lose; whatever they earn, they keep（and they only have to return the principle if they profit.）请问老师，keep后有省略吗？

问题 enjoying可以表示“正在喜欢”吗

刘老师，enjoy的ing形式怎么解释？像like, want,know,wish等词没有ing形式，那么，enjoy"喜欢,欣赏",为什么有ing形式？enjoying怎么解释？能解释为"正在喜欢"吗？

问题 share与share about有什么区别

例如：They would like to share/share about their own lives. 哪个是对的？

问题 there be句式后面跟被动语态还可以接宾语吗

On her birthday, there was held a splendid party.这个句子对吗？如果对的话，应如何理解？明明是个被动语态（was held），后面为什么还有宾语呢？

问题 老师您好, The production of oil will be down 10 percentage.be down是系表结构，那后面的百分之10又是作什么成分呢？是down的补语嘛？这里的down是副词作表语吧？另外，10 percentage前面的by是省略了吗？

问题 关于trouble可数与不可数

I had a lot of trouble with him.I had a lot of troubles with him.请问这句话 trouble 到底要不要加s, 为什么？

问题 朗文词典上be/lie at the root of sth理解中at为什么没有

朗文词典说 be/lie at the root of sth (=be the cause of something)是某事物的根本原因,例句：1)Allergies are at the root of a lot of health problems. 过敏是许多健康问题的根源。2)The love of money is the root of all evil . 贪财是万恶之源。为什么句1）are at the ...

问题 as...as 前面为什么没有动词 be

I click on the modem, the once-annoying sound of the connection now as pleasant as my favorite tune.请问老师，第一个as前面为何少了is？是因为名词短语作状语省略了？谢谢老师为我们指点迷津。

问题 believe sb to be hidden的用法对吗（涉及hide是状态动词还是动态动词）

People believe him to be hidden in the woods.请问专家：这个句子对吗？不是说 believe 后面作宾补的不定式必须是状态动词吗？这里的 hide 是状态动词还是动态动词？谢谢您！

问题 up的词性(be high up on the cliffs)

The light was high up on the cliffs.请问这里的 up 是介词还是副词？为什么？

问题 The dishes need be cleaned carefully这句话错了吗

如题。感觉情态动词+被动语态，没错啊。

问题 曹老师解答的《until 引导的时间状语从句时态的问题》自己有不明白的地方

...说话人关心的时间原文一段话：I heard nothing about it until you had told me. 说话人关注的是主句谓语的时间。（我是从你这里听说的）疑问2：Until语意到…时；直到…为止可是从句居然用过去完成时这个逻辑不通。你都告诉我了我怎么...

问题 句子结构分析

...tudy, carried out by the Guttmacher Institute in New York in collaboration with the World Health Organisation (WHO) and published in a British medical journal, the Lancet, found that most abortions occur in developing countries—35m a year, compared with just 7m in rich countries.求此句子结构...

问题 一道介词单选填空题

Richard Johnson was a great US general, starting with his time as a soldier _______ Vietnam.A. through  B. with  C. during  D. beyond   请问应该选哪个正确？