prosze o pomoc na teraz plis dam naj

Odpowiedź:
Could Sam swim at 5? Yes, he could.
Can Sam swim now? Yes, he can.
Could Sam ski at 5? No, he couldn't.
Can Sam ski now? No, he can't.
Could Sam play chess at 5? No, he couldn't.
Can Sam play chess now? No, he can't.
Wyjaśnienie: