时（tense) 是一个语卜枝法范畴，它是表示时间区别的形式。
体（aspect)也是此芹一个语法范畴，它表示动作或过程在一定时间内处于何种状态的动词形式。型扒敏英语动词有两个体：进行体和完成体。
（语法中动词的）体 In grammar, aspect is the way that a verb group shows whether an activity is continuing, is repeated, or is completed. For example, in 'They were laughing', the verb is in the progressive aspect and shows that the action was continuing.
