名词性从句1：四大名词性从句套路说明

名词性从句：

主语从句，宾语从句，表语从句，同位语从句

Warm up：

1. 一个句子主句数量大于等于一。

2. 主干：主谓宾，主系表

例子1：His favorite gift is a pen.

            What I need now is a pen. (主语从句)

            What he said surprised me.

例子2：I don't know him.

            I don't know who he is. （宾语从句）

例子3：

My mum, a doctor, loves me very much.

The fact that he failed in the exam made his parents very angry.（同位语从句）

The fact which released last night made his parents very angry（定语从句）

定语从句不是名词性从句 （区分同位语从句本质意思）