they like ice crean 改为特殊疑问句为什么不能用 What are they like?

问题描述:

they like ice crean 改为特殊疑问句为什么不能用 What are they like?

like 不是系动词要加助动词才能变成一般疑问句,然后才能变成特殊疑问句.
do they like ice cream?
what do they like?