请问文中的‘will’和‘to’两者用哪个都可以吗?childrenwouldusetheir‘emotionalknowledge’thattheyneed,tounderstandwhatisthe‘sad’forthemwill（to）face孩子们用他们所需要的情感知识去理解他们

Question

请问文中的‘will’和‘to’两者用哪个都可以吗?
children would use their ‘emotional knowledge’ that they need,to understand what is the ‘sad’ for them will（to） face
孩子们用他们所需要的情感知识去理解他们要面对的悲伤

Answer 1

不,该句只能用to,如果用will,要用一个状语从句
改为：to understand what is the sad for them ,which they will face.
一定及时采纳