英语时态的时间轴（上）-- 10分钟解决英语时态的过去思维 | How to think in English | past tenses timeline

这个视频是用时间轴的方式展示一些英语的过去时态。帮助大家用英语思维理解动词时态。 I have created a diagram to compare all the English tenses. It can help to view the different time expressions on one timeline.