bonjour
Le past perfect ( had + participe passé BV) est utilisé pour exprimer un événement qui s'est produit avant un autre événement dans le passé
ex = They had left when we arrived
a) When James Cook discovered America , he met the Arboriginal people who had arrived long before him
b) English settlers had brought diseases so by 1901 they killed thousand of Arborigines
c) When the Federal State of Australia was created in 1901, the settlers had already taken most of the land from the Arborigines
bonne fin de journée
