{{Grammar Box}} Use 没有 (méiyǒu) to negate past actions (to say that someone ''didn't do'' something, or something ''didn't happen''). == Structure == Usually verbs can be [[Standard negation with bu|negated with 不 (bù)]], but that construction is used for habitual or present actions. If the verb is about an action '''in the past''', though, 没有 (méiyǒu) should be used: