Question

我们说 on weekend , at weekend, 还是in the weekend

Answer 1

on weekend在周末
What about working on weekend?
你觉周末工作怎么样？
I frequently play tennis on weekend.
周末的时候我常打网球。

at weekend在周末
I like to take some energetic exercise at weekend.
我喜欢在周末做些剧烈运动。

What is wrong with my friends visiting me at weekend?
我的朋友们周末来看我有什么不对？

以上可换用.

in the weekend： 在周末

I don't work in the weekend.
我周末不工作。我周末不工作。
I never go to the cinema in the weekend.
我周末从来没有去电影院。
I finally got settled in the weekend , It's pretty nice.
这个周末终于安顿下来了，挺好的。

这个也有,但不如前两个常用.

Answer 2

at the weekend、
on weekends在周末；每逢周末、
on weekend在周末、
at weekends（美）在周末，周末时光（等于on weekends）、
at weekend在周末

Answer 3

是at the weekend或at weekends

Answer 4

on the weekend of ....后接在哪一周的周末，
at weekend 后面没有成分，就是指“在周末”。
in the weekend不成立

Answer 5

at weekend