用数学时间轴法详解英语时态 易懂 易掌握 值得收藏

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注:动词时态共有十六种 

为了方便同学容易看懂，容易理解，对数学数轴图作个说明: 

五 一般过去时

例:1)He often got up at six in the morning last year. 2) Mike was a middle school student in 1990. 六 过去将来时 

 例 1) He said he would go to Bei jing the next day. 2) He asked who was going there. 七 过去进行时 

例 1) At that time he was watching TV. 2 ) When he came in, I was reading a newspaper. 八 过去完成时 

例 1) As soon as we got to the railwaystation, the train had left. 2) By the end of last term we had received four books.

我们利用时间轴法把八种时态再进行比较一下