第 91 课: 使用更多的动词：参加，戴，看等-5

I am going to pour water on my head. 我要往头上浇水

I am pouring water on my head. 我在往头上浇水

I am going to read the book. 我要看书

I am reading the book. 我在看书

We are going to run. 我们要赛跑了

We are running. 我们在赛跑

We have run. 我们已经赛跑完了

I am running. 我在赛跑