Diana había visitado Londres demasiadas veces.
WHAT IS THE PAST PERFECT USED FOR?
TO WORK
ANNE
Had used
TO USE
Had called
Had+ past participle
Had asked
TO ASK
To express the past action already finished when another past action happenned
PAST PERFECT STRUCTURE
Diana had visited London too many time.
GILBERT
She ____ the cake as soon as we came.
TO CALL
Had cooked.
Had worked