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问题 现在分词所做的成分

The figures have generally been on an upward trend since the tracker was launched in 2000,  peaking at nearly $46 billion in 2016.请问这里的peaking at nearly $46 billion in 2016作什么成分，是作前面整个句子的非限制性定语吗？

问题 介词短语用法请教

We are simply involved in an advisory capacity on the project. 我们只不过是以顾问身份参与这个项目。请问老师be involved on这个用法真确吗，这句话是不是应该改成We are simply involved in an advisory capacity in the project.plus提交问题...

问题 翻译:有很多人出席招待会吗?

助动词do通常用来协助助动词表示否定意义，那么 翻译:有很多人出席招待会吗？ 除了Were there many people at the reception? 那么Do many people at the reception?翻译的对吗？

问题 done和having been done的区别

请教专家 They sat in the room with the curtains drawn. 这里的 drawn 可以是 having been drwan 吗？为什么？

问题 反意疑问句there be问题

There must be something weird in the room, isn’t there?可否改成There must be something weird in the room, mustn’t there?

问题 thus后面接过去分词还是现在分词

The oil spill has killed off billions of microscopic sea plants, thus threatening marine life further up the food chain. 这里为什么用 thus threatening，可以用 thus threatened 吗？ 

问题 as if 虚拟语气的用法

He sang and danced as if he ________(be) the only person in the world?答案是were,请问为什么不用had beenas if 虚拟的规则：与过去事实相反，从句谓语动词用had done.

问题 planning在句子中的成分

请问各位老师，以下这个句子：The evidence from Russia and Ukraine pointed towards President Vladimir Putin planning what could be the biggest war in Europe since 1945.此处President Vladimir Putin planning的planning是做什么成分呢？

问题 That的用法

That China and Thailand shall cooperate in the field of railway is in line with the respective development need of both countries, and would be truly of mutual benefits and win-win should such cooperation be successful.问：上句中不用 that完全不影响表达，这句中为什么要开头用...

问题 direct,directly,straight的用法区别

...作副词（包括direct），那请问有区别吗？ He went directly to his office. 此处用 direct 与 staight 可否？ 相同的形容词也搞不清楚：east 和 eastern。它们在词典上的意思差不多，但应如何区分呢？

问题 虚拟语气的用法

...谓语形式 将来动词过去式(be用were)should + 动词原形were to + 动词原形 would / should / might / could + 动词原形现在动词过去式(be 用 were)would / should / might / could + 动词原形过去had +动词过去分词would / should / might / could have + 动词过...

问题 是同位语还是独立主格结构

这句话逗号后面的部分是做什么成分？不是同位语为什么可以直接跟在后面： ...and beside it was a book bound in yellow paper, the cover slightly torn and the edges soiled. 有人说这是独立主格结构，是吗？

问题 out of是动态介词吗

King Rudolf the Fifth stepped out of the train.老师，out of 可以用 outside 代替吗？into, onto, out of...都是动态介词吗？动态介词有从外到内（重点是内），从里到外（重点是外），从上到下（重点是下）……的意思吗？

问题 英语句子分析

...omising technology that detects pedestrians and cyclists, again overruling the driver and stopping the vehicle before it hits them中文：有些汽车厂家向消费者承诺说，他们正在开发的技术能够探测到行人和骑车者，它不仅能代替驾驶员作出判断，而且还能...

问题 as is done 是什么用法

Rather than punctuating the music content, as is done on radio or TV, some of the online services can still use advertising support.句子里as is done 是什么用法？