I think it was on the playground on which we play basketball with some boys yesterday that you l...

题目

I think it was on the playground on which we play basketball with some boys yesterday that you l...
I think it was on the playground on which we play basketball with some boys yesterday that you lost your handbag.为什么play不加ed

答案

你的句子是错句.因为有了yesterday,句子里的play必须写成played.这个play只说明是yesterday,不说明是一种规律或者一直这样,所以用played.