svp c'est vraiment urgent aider moi je n'arrive pas

I) transforme ces phrases de facon à exprimer une habitude passés
gary jekins was a forensic scientist
he wore a paper suit
he collected evidence but he didn't work on muders very often

II) transforme ces phrases en utilisant les expressions suggeres entre parenthese
gary jenkis used to collect evidence ( no longer)
he used to take samples at crime scenes ( not....any more)
he used to be a forensic scientist (no longer)