Ye were, why were ye.
Uous estiez, pourquoy estiez uous.
Ye were nat, why were ye nat.
Uous nestiez pas, pourquoy nestiez uous pas.
They were, why were they.
Ilz estoient, pourquoi estoient ilz.
They were nat, why were they nat.
Ilz nestoient pas, pourquoy nestoient ilz pas.