Past Perfect Tense

It refers to a time before the recent past. We use it to indicate that one event occurred before another in the past tense.

Its structure is as follows:

Subject + had + Verb Past Participle

To ask questions at this time we use the following structure:

Wh + Had + Subject + Past Participle Verb +?

Examples

-When we arrived, the movie had started

-Why had she chosen to do her home stay in Alaska?

An example in real life can be found in the song called "My girl" by Madness:

"We had got it straight"

(Taken from the Madness song "My girl")

In the previous paragraph you can see correctly how this verb tense is used.