как надо здесь cделать отрицательные и вопросительные предложения к предложению 

mary was eight last month.
jack was at school yesterday.
the children were good at running.
mr green was in russia iast year.
the browns were in great britain
пожалуста помагите мне очень срочно надо завтра мне в школу идти 

Was Mary  eight last month?  Mary was not  eight last monthWas Jack at school yesterday? Jack was not at school yesterdayWere the children good at running? the children were not good at runningWas Mr Green  in Russia last year? Mr Green was not  in Russia last yearWere the Browns in Great Britain? the Browns  were not in Great Britain