问题 It is because...句型中的it是形式主语吗

请问老师：这里的 It 是形式主语吗？可是 because 后接的是原因而不是代指成分。it 应该不是形式主语啊！那这里为啥不能用 that 呢？

问题 which的先行词这里是整个句子还是单词

托福TPO3的一句话it’s a huge honor to win and there’s an award ceremony they’ve invited me to attend which I’m so excited about。which I’m so excited about这个定语从句的先行词是an award ceremony，还是“他们邀请我去参加典礼”这句话。更一般的，如何...

问题 run aground 是系动词+形容词吗？

The ship ran aground where there should have been a depth of 35 ft.请教老师：上句是词典例句。aground词典都列为adv副词，词组run aground是搁浅的意思。我的疑惑是，run aground应该是系动词+adj用法，aground怎么会是副词呢？如果aground是副词，修饰...

问题 关于非谓语to be done和done的区别

...语之后，后者表完成，是否以谓语的时态来区分？比如：There are some letters to be sent. (将要被send)I found my bike stolen. (在我发现之前就被偷了)

问题 请问这是哪种条件句（和通常的“主将从现”不同）

词典是有一种动词的释义VERB 带领; 引领; 护送If you are shepherded somewhere, someone takes you there to make sure that you arrive at the right place safely.这种主句和从句都是一般现在时，和通常的“主将从现”不同，这是哪一种条件句呢？

问题 请问在 the reason why... is that... 中 why 后面和 reason​

问题 he is crying这句话是主谓结构还是主系表结构呢？

问题 The key to his success is honest 为什么有问题

问题 翻译:By power is meant the rate of doing work.

问题 表语从句who和what的区分

He's___ as a "bellyacher"—he's always complaining about something.A. who is known                B. whom is knownC. what is known                D. which is known.请问这道题为什么不能选择A，答案解析是“is 后的连接词既连接引导表从，又...

问题 这句话的in可以翻译成在…里面嘛

I wrap the book in a brown paper.in可以翻译成在…里面，所以可以翻译成我把书包裹在棕色的纸里面嘛？

问题 in about 45 seconds 应该如何去理解

This brand of air conditioner usually humidifies in about 45 seconds of power up.老师，这是一个美国电子文献，学生想问一下，这里in about 45 seconds 应该如何去理解！

问题 最高级后面接介词in还是of

The biggest hall ______ the town has been booked for the meeting.A. in        B. of请问如何选？最高级后面接介词 in 还是 of？

问题 分析is to be given as much importance as the product

The process of writing is to be given as much importance as the product.这句话里面的 as...as...是表示比较吧，第一个 as 是副词，第二个 as 是介词，那么这个不定式 to be given 怎么理解，它在这儿是什么意思？起什么作用的？

问题 just in time to do sth 在句中做什么成分

We arrived in the summer, just in time to enjoy the midnight sun. just in time to do sth 在句中做什么成分呢？