We are going to swimming last week.为什么是过去式还要用ing
问题描述：
We are going to swimming last week.为什么是过去式还要用ing
答
应该是We were going to swim last week.或者是We are going to swim this week(next week).既然是last week进行时也只能是过去进行时了.还有这里to 的后面只能接原型.可以说 go swimming 或者 go to swim.不能go to...