问题 定语从句介词前置与介词宾语从句的区别

All of us work through problems in ways of which we're unaware, she says.请问老师，为什么of which不是介词+宾语从句呢？怎么与定语从句介词提前做区别呢？

问题 形式主语

请教一下老师：1 It is dangerous playing with fire.       It是形式主语，指代playing with fire 2 This is my first time driving a car.     This也是形式主语指代driving a car吗？？driving a car是动名词短语吗？这句话的语法不理解 3 It is my first time ...

问题 分析: I am a divorced woman in her 60s.

有个句子：I am a divorced woman in her 60s. 请问这里的her是不是应该用my?

问题 sudden death 还是 a sudden death

为什么课文使用的是不可数，而字典使用的是可数单数呢？

问题 not...until能否与延续性动词一起使用

...night. They should rest early.You shouldn't wait until the last minute to study for a test.not...until 中使用了wait 和 play，这两句话该怎么翻译？not...until 与延续性动词能否一起使用？

问题 想问句子结构的问题

No one pretends that camp matters are of any but local importance or of more than transient interest, but their importance there is great.这句话里逗号前的那句话我基本知道每个词的常见意思，知道be of+n.=adj.但是还是看不懂在说啥呀.

问题 How的理解疑问

Mainly because I know how harsh these sort of terrains can be.疑问语序：How harsh can these sort of terrians be？陈述语序：How harsh these sort of terrians can be？这里的How harsh是做表语吗？疑问语序：How happy can we be friend？陈述语序：How happy we can be friend？...

问题 一般现在时在没有时间状语修饰时的理解

... ▲一般现在时在没有时间状语修饰的情况下，如： I read a book in a cafe. 在没有时间状语修饰的情况下是不是指：我最近目前这段时间，在“某一个（同一个）”咖啡店，读“某一本（同一本）书。 I read books in a cafe...

问题 一架天平（scales）可以直接用a scales吗

问题 使用 a.m., p.m. 时有哪些要注意的地方

问题 形容词语序分析:a superb medieval stained-glass window

a superb medieval stained-glass window 为什么是superb medieval这个顺序？

问题 句子成分分析

Balance of international payments is an overall statement of one nation's economic transactions compared with that of other nations, including current and capital accounts. 1) that指代的是什么，如果是overall statement的话，那么是不是应该为other nations' ？ 2) including的逻...

问题 分析：A worker is there helping them.

谢谢！

问题 with dinner与with a dinner

The evening concluded with dinner and speeches. 这个夜晚在宴会和讲话中结束。 请问句子中的with dinner可加个冠词说成with a dinner吗？

问题 first time, a first time, the first time的用法区别

请专家老师讲讲 first time, a first time, the first time 在用法上的区别！谢谢！