My father has a black jacket.改为否定句 这种句子该怎么改?

题目

My father has a black jacket.改为否定句 这种句子该怎么改?

答案

My father doesn't have a black jacket.
先看句子中有没有be动词,有的话在她后面直接加not,没有的话,主语是单数用doesn't 复数用don't