I often go to shopping on weekends

问题描述:

I often go to shopping on weekends
在“I often go to shopping on weekends.”中week要不要加s的?为什么?请详细说明.

要加,weekend是可数名词而且这也是习惯.另外你给出的句子把TO去掉才正确,go shopping本身是一个固定短语