?
I'm good at playing video games
?
He isn't good at painting
?
The can isn't good at swimming
?
She is good at cooking
?
He is good at doing puzzles.
?
He isn't good at dancing
?
He isn't good at painting
?
They aren't good at dancing
?
He is good at playing the guitar
?
He is good at painting
?
I'm not good at drawing
?
She is good at dancing ballet
?
He isn't good at singing
?