We / golf (x)
We're not playing golf.
I / soccer (x)
I'm not playing soccer.
We / soccer (v)
We're playing soccer.
We / volleyball (v)
We're playing volleyball
I / football (v)
I'm playing football.
I / baseball (x)
I'm not playing baseball
I / golf (v)
I'm playing golf.
We / baseball (x)
We're not playing baseball.
We / ping pong (v)
We're playing ping pong.