Исправь предложения

Образец Miss Chatter had a big crocodile. -- Miss Chatter didn't have a big crocodile.

1) Tiny wrote songs for pop-singers last year. -- ?

2) Billy was in Antarctica three days ago. -- ?

3) The boy drank cold and dirty water yesterday. -- ?

4) Jill played football an hour ago. -- ?

5) Tim and Tom were in the desert a week ago. -- ?

Помогите пожалуйста!!!