The park is quite different from what it was three years ago.这里为什么用what?

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/21 08:34:50

The park is quite different from what it was three years ago.这里为什么用what?

表示这个公园与3年前大不一样
from 后是what 引导的宾语从句
what it was three years ago= the park that (可见:what=先行词+ 关系代词)it was three years ago

what是连接代词,词义是“所....是事物”,因为需要这样的词义,不用what

这是宾语从句 what做was的宾语。
即换成正常语序:it was what three years ago.