Can
1. I can ride a horse.
2. I can speak English.
3. I can do that.
Could
1. I could speak French when I was a kid.
2. Five years ago she could swim very well.
3. She could drive a car.
Объяснение:
Модальные глаголы сan / could обозначает умственную или физическую что-то сделать.
