宾语从句：动词或介词后面所跟的一个句子,就叫宾语从句,很简单.
如：i think you are a pretty girl.
表语从句：就是系动词后面所跟的一个句子.你自己查查系动词有哪些.
it seems that Tom does't like playing football.
定语从句：起修饰限定作用的一个句子.如 a beautiful girl. 只是相当于把beautiful 换成一个句子而已.
This is the mountain village (which) I visited last year.
非限制性定语从句：只是在从句前面加了逗号.从句句子存在与否,不影响原句.
My house, which I bought last year, has got a lovely garden.
条件状语从句：由if ,unless引导的句子.
If you want to lose weight you must/ should eat less bread.
同位语从句：从句和前面的名词或代词指的是同一个人或同一件事情.
I heard the news that our team had won
这是比较概括,简单的区分.
奉贤精锐教育---代老师