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问题 while although 的区别

Although senior citizens can contribute to society, I would argue that this demographic change can bring some problems. 这个句子中的although 是否可以替换成while？同样是引导让步状语从句，while 和although 有什么区别么？ 谢谢老师的回答

问题 关于but的用法

For example, in English you say strong wind but heavy rain. It would not be normal to say heavy wind or strong rain.本句中but应该是连词，但是结合语义没有转折的意思，反倒应该像是and的意思；请教关于这种but的意思以及类似表达。

问题 不可数名词能接例子吗

It will do much good to people, such as comsuming superfluous fat and delaying human body aging. 这句话good是不可数名词，能接例子吗？

问题 examples of是什么意思

Even people who take no interest in art cannot have failed to notice examples of modern sculpture on display in public places.老师句中examples of啥意思，学生该怎么理解？

问题 非谓语的不定式一般体

非谓语的不定式一般体to do只表示动作在谓语动词动作后可以表示和谓语动作差不多同时发生吗？还有动名词doing可以表示一个动作发生在谓语动作之后吗？

问题 for使用的问题

I would like to make an appointment for Friday for medical check-up.这里为什么用for Friday？为什么不把for Friday移到后面跟着on Friday呢？又或者说把on或for都不要了，直接把Friday放到后面当作时间副词使用.

问题 when表示“既然”引导什么从句

Why is she training to be a teacher when she doesn't even like children? 她既然不喜欢孩子，为什么要去接受培训当老师呢？请问: when表示“既然”时引导的什么从句啊?

问题 subject的用法

...批准费用，下面的句子是他的回复。This is approved subject to further approval by Mike.这个句子中的subject是名词吗？作为科目来解释， approved是过去分词来修饰subject这个词。这样的理解对吗？谢谢各位老师！

问题 after和before 的区别

Half a month passed quickly before I knew it, and I learned how to deal with different people.请问把before换成after为何不可以？我了解她后，又过去了半个月。谢谢！

问题 create basketball是什么意思

To keep his restless students occupied with an indoor sport on rainy days, James Naismith created basketball.上面的内容摘自2022年高考英语天津卷（第二次）的单项填空。请问：create basketball是什么意思？

问题 much可以修饰形容词的原级吗

我知道，much可以修饰形容词的比较级。如：The patient is much better today. 病人今天好多了。He felt in much better health. 他觉得身体好多了。It’s much easier compared with last time. 这与上次相比容易得多。The money is much better in my new job. 我的新...

问题 关于被动语态语法分析的提问

例句1：He saw her working in the garden.例句2：He was found lying on the floor.  上例句1易得知属于基本句型里的主谓+复合宾语的类型，我的疑问是如果这种带复合宾语的句子变成被动语态应该如何进行句子分析，就比如例2这种句子...

问题 这句话里的Should，在目的状语从句中，是情态动词的什么用法？推测用法？虚拟用法？基本用法？

They carved the words on the stone so that the future generation should remenber what they had done. 我个人觉得是基本用法

问题 老师，请问先行词为人时，只用who不用that的情况有哪些呢？

我看到张满胜有一个例句写的是：He is the only man that can speak four languages.但是我又在网上看到了这样的说法：当先行词是序数词或被序数词修饰时，用who不用that，如：He is the third man who witnessed the murder. 他是这起谋杀案的第三个见...

问题 状语从句和倒装句的问题

Busy as he is, he studies very hard.Complicated as was the experiment, it was finished in time.Difficult as the situation was, nobody had the thought of giving in.请问：上面三句话中的第二句算不算倒装句？书上首先说，as引导的让步状语从句必须倒装，紧接着又说...