Jawaban:

Activity 3

1. (+) We are having a barbecue in the backyard.

   (-) We aren't having a barbecue in the playground.

   (?) Are you having a barbecue in the backyard? Yes, we are.

   (?) Are you having a barbecue in the playground? No, we aren't.

2. (+) The ball is rolling on the floor.

    (-) The ball isn't rolling on the grass.

    (?) Does the ball roll on the floor? Yes, it does.

    (?) Does the ball roll on the grass? No, it doesn't

3. (+) The Earth rotates around the Sun.

    (-) The Earth doesn't rotate around the Moon.

    (?) Does the Earth rotate around the Sun? Yes, it does.

    (?) Does the Earth rotate around the Moon? No, it doesn't.

4. (+) The boys are studying Geography in the library.

    (-) The boys aren't studying Maths in the library.

    (?) Are the boys studying Geography in the library? Yes, they are.

    (?) Are the boys studying Maths in the library? No, they aren't

5. (+) My sister is washing the clothes.

   (-) My sister isn't ironing the clothes.

   (?) Is your sister washing the clothes? Yes, she is.

   (?) Is your sister ironing the clothes? No, she isn't.

Activity 4

1. Has.

2. Roller-skates.

3. Wears.

4. Runs.

5. Wears.

6. Rides.

7. Doesn't wear.

8. Wears.

9. Done.

10. Did.