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问题 时间和条件状语从句用现在完成时

...her. 你若不去，我也不去。When it gets warmer the snow will start to melt. 天气变暖时，雪开始融化。但有时从句可以用现在完成时，能请老师讲讲这方面的用法吗？

问题 in / on / at the concert中的介词辨析

The students want to play their compositions ______ the concert.请问专家：这里应该填什么介词？in the concertn, on the concert, at the concert——哪个对？如何区分？谢谢!

问题 the crowd 和 the crowds 都是对的吗

似乎听说THE+可数名词单数=一类一群人/某物/某人但是在 BBC 6MINUTES ENGLISHI中听到了the crowds 的表达【原句】Now, apparently, in many stadiums, the crowds aren't singing as much as they used to.

问题 关于beyond后接what引导的是宾语从句的疑问

The test result was far beyond what we had expected, which brought great joy to everyone of us.what 在这里引导的是宾语从句么，做介词 beyond 的宾语么？

问题 Every year at Easter...的句子成分分析

前面一个问题（http://ask.yygrammar.com/q-28645.html）让我想另一个相关问题：Every year at Easter I went to see him.请问这里的 Every year at Easter 如何分析？两个都是时间状语？

问题 be looked at by sb的说法是否有误

I don't like to be looked at by the others. 我想问一下不及物动词加介词等于及物动词，那么比如上面这句, by和at都是介词这样写是否有误?

问题 关于并列句和复合句的疑问

...加上一个及以上的从句组合成的句子，那请问But when I got to the bus station, the bus had left这个句子中，连词连接的是一个主句一个从句这种情况，叫什么句子呢？

问题 since doing 和 since having done 用法疑惑？

The United States has reduced its forces there to around 8600 since signing the deal with the Taliban in February.这里的since signing...意思是自从签署了...那么为什么不用since having signed 完成时呢？

问题 as引导的从句单独成句？

The world’s three top central bankers (Greenspan, Duisenberg and Hayami) are all close to the top of the alphabet, even if one of them really uses Japanese characters. As are the world’s five richest men (Gates, Buffett, Allen, Ellison and Albrecht).——考研英语一，2004年text2。请问...

问题 定语从句的并列省略问题（some of whom ）

During this period, researchers interviewed nearly 3,000 women, some of whom had learnt to read as children, some during the literacy crusade and some who had never learnt at all. 请问后面定语从句的并列省略有没有问题？应该怎样修改？

问题 短语run throughout在这句话如何理解

...长管理小孩手机文章中有一句话：Our school requires students to leave their phones in the home run throughout the day.如果没有单词run，那这句话中throughout day这就是介词短语做补语修饰phone。run throughout在这句话中是介词短语吗？如何理解？

问题 特指的senior high school为什么没有定冠词

Welcome to senior high school!这是高中英语新教材必修1第1单元的两个句子(p4)。请问：为什么在特指的senior high school前面没有定冠词？

问题 将来进行时和一般将来时的用法区分

将来进行时和一般将来时的用法区分，是否有对应的时间状语。习题：Tom hurried to tell us that the president _______(arrive) at any moment.此处答案给的是would be arriving。请问能否填would arrive。为什么可以，或不行？

问题 现在分词 动名词和非谓语动词之间的关系

like doing sth 中 doing指 动名词 还是现在分词啊? like to do sth 知道是个非谓语动词形式like doing sth 后面的doing是属于动名词,还是现在分词啊. 这两个词,形式,一样,可在句子中,就分不太清

问题 有more and more修饰问题

Chloe Setter, TikTok's lead on child safety public policy, said: "We're hoping that this will give us the ability to detect and remove more and more quickly."这句话的remove more，移出更多的意思吗？后面为什么要加and more quickly不加这个and可以吗？还是more and more修饰...