Bonjour,
Réponse :
They had gathered round the barbecue when we arrived.
Before they opened their restaurant, they had owned a burger joint.
I had bought my ticket to New York before I discovered you were going too.
Explications :
simple preterit ( actions passées )
past perfect ( actions qui ont eu lieu avant une action passée. C'est du "passé dans le passé". Se forme : had + participe passé )
