There are those that argue that this would not be a very good idea.请教这个句子有几个从句,分别是什么从句.

There are those that argue that this would not be a very good idea.
请教这个句子有几个从句,分别是什么从句.

this would not be a very good idea.做argue的宾语从句
that argue that this would not be a very good idea.做those的同位语从句

两个，一个定语从句，一个宾语从句
1. There are those 主句
that argue （that this would not be a very good idea.宾语从句）定语从句