Tiny wrote songs for pop-singers last year.-Tiny didn`t write songs for pop-singers last year.2)Billy was in Antarctica three days ago.-Billy wasn`t in Antarctica three days ago.3)The boy drank cold and dirty water yesterday.-The boy didn`t drink cold and dirty water yesterday.4)Jill played football an hour ago.-Jill didn`t play football an hour ago.5)Tim and Tom were in the desert a week ago.-Tim and Tom weren`t in the desert a week ago.