Can you swim? Yes i can.
Can he ride a horse? No he can't.
Can you play football? Yes i can.
Can you write a poem? No i can't.
Can you stay alone? Yes i can.

Can't you come with us? No i can't.
Can't she ride a biycycle? Yes she can.
Can't we watch a movie together? Yes we can.
Can't you run as fast as me? No i can't.
Can't you climb the tree? Yes i can.