Modal Auxiliary

Present
- I can make you proud someday.
- Can you give me one cup of coffee ?
- Because one cup of coffee can make you already to start your day.
- Say to your self that you can on top!
- I promise i can be a good man.
-i cannot be somebody else
Past 
- Sorry, i couldn't come to your party last night, cause i was sick.
- Could you watched stand up comedy yesterday ?
- i couldn't make them believe in me that i wasn't there laast week.
- i could give them the reason for the trouble last week.
- i couldn't told them about story of my car.