2018年军校招生备考英语陈述句的否定式

 陈述句的否定式：

　　1)谓语动词如果是 be 、助动词、情态动词时,在它们的后面加"not"。如：My brother is not a teacher.(我的弟弟不是教师)/ He does not have a cousin.(他没有堂兄弟)/ I will not go there tomorrow.(明天我不去那儿)/ My mother is not cooking a meal in the kitchen.(我母亲现在不在厨房里做饭)/ You must not make such mistakes again.(你不该再犯类似错误了) / We haven't discussed the question yet(我们还没有讨论那个问题呢).