Penggunaan I AM (2)

 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."

I'm + (verb)

I'm' is a contraction of the words 'I am.' By adding a verb to 'I'm' this lets you express an action or occurrence about yourself.

Here are some examples:

"I'm eating lunch."
"I'm brushing my teeth."
"I'm scared."
"I'm driving to work."
"I'm crying."
"I'm typing an email."
"I'm cooking dinner."
"I'm combing my hair."
"I'm hanging a picture."
"I am texting."
"I am dancing."
"I am interested in the job."
"I am exercising."
"I am sad."
"I am learning."

Sumber: http://www.talkenglish.com