№1
3.Pilot can fly a plane.
4.Computer can make music.
5.People can write poetry.
6.Apple can't speak.
7.Child can't drive a car.
№2
Can you play tennis?
Yes, i can.
Can you speak two languages?
Yes, i can.
Can you speak Kazakh?
No, i can't.
Can you ride a bike?
Yes, i can.
Can you skate board?
Yes, i can.
Can you run fast?
Yes, i can.
№3
can/was
weren't
Was
Could/can
were
Was
Could
№4
2.could
3.couldn't
4.were
5.could
6.weren't
7.were
8.could
9.were