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问题 what和how引导的感叹句

1. how引导复数可数名词时，感叹句是怎样变的？What great inventions he has made！改成how引导的句子如何变呢？2. how 引导不可数名词时，句子怎么变？What bad weather it is！改成how引导怎么变？3. The road is crowded. 改成what引导的句子：是Wha...

问题 问一个国家的人口总数可以用how many people (persons)吗

...国家或地区有多少人口（指人口总数）通常是有 population 的。如：What is the total population of China? 中国的人口总数是多少？What is the population of Ireland? 爱尔兰人口有多少?What is the population of London? 伦敦的人口是多少？What is the pop...

问题 when的用法疑问

When did you play basketball?when询问动作的时间还是提问者所关心的时间呢？

问题 时间段作主语时的主谓一致问题

...ur city. 谓语是have witnessed.为什么当句子是 Ten years is a long time 时把Ten years看作一个单数整体，谓语用is.而在 The last ten years 'have witnessed'  great changes in our city.这个句子中却不能用has witnessed?

问题 yet的用法

When and where to build the new factory is not decided yet. 请问句中有yet为什么不能用has not decided呢？

问题 when在句子you told me stories of when you were small的用法

请教老师：怎样理解when在句中的用法You told me stories of when you were small.

问题 as...as句型可以用作让步状语从句吗？

As bad as he is, he is not without merits (= Bad as he is/Though he is bad, he is not without merits).括号内的同义句，我懂的，分别由连词as和连词though连接前后句子。但是原句我却不明白：As bad as he is...这种句子单独出现了as...as，怎么理解谁和谁比...

问题 虚拟语气的主从句谓语时态不相呼应

...。好像是考查虚拟语气。但是，既然是虚拟语气，为什么从句用了过去完成时，主句却不用“could+have+过去分词”呢？主句与从句的谓语时态不相呼应啊！

问题 先行词被only,any,few,little,no,all,just,very,right修饰

在定语从句中先行词被only, any, few, little, no, all, just, very, right 等修饰时，用that 不用which这是为什么呢？有什么好的解释么？谢谢!

问题 虚拟语气句子的时态前后不一致

...个虚拟语气的句子吧？为什么主句用了 would have done，而从句没有用过去完成时呢？虚拟语气句子的时态可以前后不一致吗？谢谢专家！

问题 what, who, which比较

...言习惯吗，我必须有一个一般疑问句在前面，或者说，这只能用于陈述语序，特殊疑问词不是已经有疑问的意味了吗，who came？虽然我这个对主语提问，为什么宾语就不可以呢？

问题 of短语作后置定语的名词前是否需要定冠词

They were talking about (the) pollution of the environment.请教老师，pollution的后面有定语of the environment, 所以pollution 前面需要加定冠词the吗？类似的句子，为何有时有the而有时没有？谢谢老师。

问题 than的词性

...当句中的比较状语结构；than充当从属连词引导比较状语从句时，通常省略与主句相同的成分；我想向曹老师请教一下，关于than 后面的 to do和省略to的不定式，该如何分析后面的省略部分；类似于how to do实际上是how we are to do的省...

问题 sth is to sth what sth is to sth分析

Books are to mankind what memory is to the individual. 书籍之于人类，犹如记忆之于个人。问题：请问what引导的是表语从句吗？to mainkind在句中是什么成分？

问题 第三条件句的意思与but从句矛盾吗

Appian wrote that Hadrian, like Titus, destroyed Jerusalem, implying that there was something to demolish, and the rebels, sweeping all before them, would surely have besieged the Tenth Legion in the Citadel and worshipped on the Temple Mount if they had had the chance, but we do not know if they di...