Do you know what our new music teacher looks like?

题目

Do you know what our new music teacher looks like?
这句话look为什么要加s?助动词后面的动词不是跟动词原形吗?

答案

what our new music teacher looks like 是宾语从句,用陈述句语序.宾语从句的主语 our new music teacher 是第三人称单数,所以动词用 单三形式 looks本句的助动词 是句首的Do ,后面跟动词原形 know .句子意思是：你...