Read these sentences and choose the correct answer to fill in the gaps.

1. I _______ speak Swedish, but maybe I'll learn it someday.

• could
• couldn't
• can't
• can

2. When I was a child, I _______ drive a car.

• can
• can't
• couldn't
• could

3. She ________ buy a new car. She has enough money.

• could
• can
• can't
• couldn't