play video game
I'm good at/not good at playing video game.
play the guitar
I'm good at/not good at playing the guitar.
sing
I'm good at/not good at singing
play the piano
I'm good at/not good at playing the piano.
play soccer
I'm good at/I'm not good at playing soccer.
jump
I'm good at/not good at jumping.
paint
I'm good at/not good at painting
ride a bike
I'm good at/not good at riding a bike
use the computer
I'm good at/not good at using the computer.
swim
I'm good at/not good at swimming
play basketball
I'm good at/not good at playing basketball.
snorkel
I'm good at/not good at snorkeling.
dance
I'm good at/not good at dancing
sing
I'm good at/not good at singing.
ride a horse.
I'm good at/not good at riding a horse.
play tennis
I'm good at/not good at playing tennis
speak English
I'm good at/not good at speaking English
cook
I'm good at/not good at cooking.
do puzzles.
I'm good at/not good at doing puzzles.
climb a tree
I'm good at/not good at climbing a tree.
fly a kite
I'm good at/not good at flying a kite.
do Math
I'm good at/not good at doing Math