Past Perfect Tense :
This tense is used to indicate an action which completed in the past and the effect of which was still there during the time period about which we talk.
I had gone to bed when someone rang the door bell.
The wounded person had already dies when the ambulance arrived.
When we reached the airport, the plane had already left.
We had taken our seats in the hall when the film star arrived.
They reached the station after the train had left.
They had completed their project when you asked for it.
It had come to Delhi when our Chief was there.
You had invited your friends when you went to their houses.
He had written the exam when he applied for the job.
She had given her oral text when she asked for a hike in her salary.
They had bought a computer when you approached them.
Related Links :
Past Perfect Tense
Keywords to indicate the presence of Past Perfect Tense
Where to use Past Perfect Tense?