thisiswheredevelopingnewhabitscomesin.这是什么从句

Question

this is where developing new habits comes in.
这是什么从句

Answer 1

this is where developing new habits comes in.
这是一个表语从句,is是be动词,后面接表语 where developing new habits comes in是从句的主干,developing new habits是从句主语,comes in是谓语,where是状语 从句是个简单的主谓结构