dancing
I'm good at dancing. | I'm not good at dancing.
playing volleyball
I'm good at playing volleyball. | I'm not good at playing volleyball.
Science
I'm good at Science. | I'm not good at Science.
playing the piano
I'm good at playing the piano. | I'm not good at playing the piano.
drawing
I'm good at drawing. | I'm not good at drawing.
playing soccer
I'm good at playing soccer. | I'm not good at playing soccer.
skating
I'm good at skating. | I'm not good at skating.
jump rope
I'm good at jump rope. | I'm not good at jump rope.
cooking
I'm good at cooking. | I'm not good at cooking.
playing baseball
I'm good at playing baseball. | I'm not good at playing baseball.
swimming
I'm good at singing. | I'm not good at swimming.
Math
I'm good at Math. | I'm not good at Math.
running
I'm good at running. | I'm not good at running.
playing badminton
I'm good at playing badminton. | I'm not good at playing badminton.
singing
I'm good at singing. | I'm not good at singing.