事物存在的状态。肯定式疑问式否定式疑问否定式I work.Do I work?I don't work.Don't I work?You work.Do you work?You don't work.Don't you work?We work.Do we work?We don't work.Don't we work?They work.Do they work?They don't work.Don't they work?He(She, It) works.Does he(she, it) work?He(She, It) doesn't work.Doesn't he(she, it) work?表示经常性或习惯性的动作或存在的状态。表示客观事实或普遍真理。在时间、条件等状语从句中,用一般现在时表示将来。在某些以here,there开头的句子中,用一般现在时表示正在发生的动作。