I'm good at
Again, 'I'm' is used here as 'I am.' 'Good at' informs someone what you excel at and are comfortable doing. Here are some examples: " I'm good at drawing. " " I'm good at video games. " " I'm good at swimming. " " I'm good at driving. " " I'm good at reading. " " I'm good at sports. " " I'm good at writing. " " I'm good at math. " " I'm good at dancing. " " I'm good at chess. "