Make a request: speak up
Can / could you speak up?
Make a question: Sally can run fast.
Can Sally run fast?
Make a question: Sally can’t skate.
Can Sally skate?
Make a question: Suzie can’t sing.
Can Suzie sing?
Make a question: I couldn't walk when I was 6 months old.
Could you walk when you were 6 months old?
Make a request: hold the door
Can / could you hold the door?
Make a request: open the window
Can / could you open the window?
Make a question: My sister couldn´t do exercise yesterday because she was ill.
Could you sister swim yesterday?
Can you play tennis?
Yes, I can / No, I can't
Can you play basketball?
Yes, I can / No, I can´t
Could you run fast when you were a child?
Yes, I could / No, I couldn´t
Could you play many games when you were 5 years old?
Yes, I could / No, I couldn't
Can you swim well?
Yes, I can / No, I can´t
Can you ski or skate?
Yes, I can / No, I can´t