一、明确概念一般过去时表示过去某个时间里发生的动作或状态,还表示过去习惯性、经常性的动作或行为。二、弄清词形一般过去时的谓语动词要用过去式形式。be动词有was、were两个过去式,was是is、am的过去式,用于第一、三人称单数;were是are First, the definition of the concept of the past in the past in the past at a certain time or action occurred in the state, but also the past habitual, regular actions or behavior. Second, to clarify the past tense predicative verbs use past tense form. The be verbs are has and were two past tense, was is the past tense of is, am, used for the first, three are singular; were are