She didn't tell us when to come bake.

问题描述:

She didn't tell us when to come bake.
请教为什么填to come ,能不能填came

原句是She didn't tell us when to come back吧!
我想是这样的She didn't tell us when (she was)to come bake.括号里省略掉的,直接填came,没有状语从句的主语!