If you know how to play with words to make people laugh 错在哪?

问题描述:

If you know how to play with words to make people laugh 错在哪?

play with the words
一般疑问句的话用Do you know更好
选择疑问句的话这句话更像是一个从句

不是句子,是个条件状语从句,假设语气,因为缺少主谓宾

不是,是条件状语从句,没有主句
如If you know how to play with words to make people laugh,please tell me.
please tell me 才是主句