1 When the object appeared in the sky... we / play / football in the garden We were playing football in the garden 2 my friend / catch/ a ball 3 my sister / climb/a tree 4 ... my mum / talk / to a friend on the phone 5 ... a car/drive/ down the street 6 ... our dog / chase / the car 7 ... my neighbour / cut/ the grass 8 ... the police officers / help / an old lady

Bess doesn't help her mom. My friend doesn't play the piano. We don't listen to music. You don't make a lot of mistakes. The farmer doesn't work in the field. The small boy doesn't ride a bike. He doesn't look at the pictures in the book. The work man doesn't paint the house. Richard and Hendry don't serverin summer. John doesn't go to school by tram. She doesn't get up at 8 o'clock. He doesn't breakfast. She doesn't usually has dinner at two o'clock. Peter doesn't live in London.

Я использовал правила отрицание. Удачи!