不对 What will you take when you go home?
are 用作助动词,只能构成进行时(are doing)、被动语态(are done)或表示将来(are to do),该句中出现了 are 和 take 两个没有语法关系的动词,这是英语造句的大忌。
如果想表达“你回家拿什么”,可以用不定式 to take 作为目的状语,用 What do you go home to take、What are you going to take at home 或 What are you going home to take.
What are you going to take when you go home(精)(锐)