1. could||can||can't||couldn't that child prodigy play the piano when she was two?
2. The boy on TV now can||could||can't||couldn't remember 1,000 different numbers - he's amazing!
3. My little sister can't||could||can||couldn't write any words at the moment, but she can read easy sentences.
4. We couldn't||can't||could||can play tennis when we were ten, but we're good at it now.
5. That famous artist could||can||can't||couldn't paint well at an early age.
6. How many languages can||could||can't||couldn't your cousin speak now?