Надо сделать предложения отрицательными, Помогите !!!
He helped me yesterday
She cleaned her room
They watched TV
Ann and Bob played chess
My sister cried yesterday
They closed the shop
Bob opened the box
The girls skipped yesterday
Her sister cooked dinner
We liked the film
Mr Brown lived in africa
The boys thanked their aunt
They finished their work
He stopped near the house
Ann listened to music