Can you play tennis? No, I can't (cannot).
Can you speak two languages? Yes, I can.
Can you speak Kazakh? No, I can't (cannot).
Can you ride a bike? Yes, I can.
Can you skate board? No, I can't (cannot).
Can you run fast? Yes, I can.
Yes или no, can или can't можешь менять, если хочешь.