问题 to do还是to doing

to什么时候是不定式的标志什么时候是介词？

问题 move to closing arguments 还是应该是 move to close arguments 呢？

VOA《Defense Argues Trump Not Directly Responsible for Capitol Violence》Senators had several hours Friday to ask questions of both sides and will move to closing arguments Saturday.老师： move to closing arguments - move to doing sth 是什么意思？ 这里用了介词to,而不是不定式to...

问题 It is convenient to sb to

I don’t think it is convenient to him to meet her at the station. 我认为他去车站接她不是很方便。 请问这里为什么用 to sb to do sth 呢？英语不是通常要用 for sb to do sth 吗？

问题 was to 中的to 可以省略吗？

这是教美式发音的美国老师说的;This challenge was introduce somebody.是不是was后少了to呢？ 像这种to是必须有，还是可以省略呢？

问题 to be chosen from 与to choose from的区别

There are five pairs ______, but I’m at a loss which to buy.A. to be chosen     B. to choose fromC. to choose           D. for choosing这里用 to be chosen from 与to choose from 有什么区别, 主动被动有何区别？谢...

问题 appear to be / seem to be 接名词时to be究竟能省略吗

... / seem 这类词在接名词的时候，究竟能否像接形容词一样 to be 可以去掉呢？(appear + n.)  我在网上搜索的时候，有的网站写接名词/形容词都可以省略to be，有的网站又写分情况（当名词前带有定冠词或物主代词修饰时），我被搞...

问题 to be playing to do it 怎么理解

But we need to be playing to do it.这连着的两个to都是宾语吗? 为什么它用进行时?

问题 to hold和to be held的区别

I will attend the meeting to be held next week.I will attend the meeting to hold next week.I will attend the meeting held next week.to be held / to hold/ held, 哪个表达是对的？如果都对的话，表达意思上有什么区别？

问题 appear to have done 和appear to do 的区别

原句：A desire to sell gold appeared to have been worsened by thinking that concerns about the Greek economy have somewhat eased. 此句中可以用appear to be 吗？Appear to have done 和appear to do 有何区别？谢谢老师精彩解答。

问题 tell B to A/announce B to A结构分析

请问老师，像tell B to A/announce B to A这种结构，to A应分析为介词短语做谓语动词的对象状语，当B结构比较长的时候，需要将对象状语移到B之前形成tell to A B、announce to A B的结构，老师我总结的对吗？另外to A是不是对于tell是必具...

问题 as,to的用法

For a glacier to grow or maintain its mass, there must be sufficient snowfall to match or exceed the annual loss through melting, evaporation, and calving, which occurs when the glacier loses solid chunks as icebergs to the sea or to large lakes.“as icebergs to the sea or to large lakes”这里as...

问题 nice to see you,good to see you,glad to see you区别

问题 go(get) back to,go(get) back和back to区别

请教老师下面三个疑问:1.go back to,go back和back to区别这三者间用法有什么区别？2.当追溯到意时go back to,go back和date back to有何区别？3.get back 和get back to又有何区别？和go back to，go back的区别又是什么？

问题 go to school与go to prison有相似性吗

英语说 go to school, go to bed, go to church 等，分别表示“去上学”“上床去睡觉”“去做礼拜”等，这些好像都含有“主动”的意味，但 go to prison 则感觉有点奇怪，难道一个人还会像 go to school 一样“去坐牢”吗？请专家老师释疑...

话题 to be able to