“The patient had died before the doctor arrived.” Does this sentence belong to the following category of tense?

“The patient had died before the doctor arrived.” Does this sentence belong to the following category of tense?

Explanation

The sentence "The patient had died before the doctor arrived" uses the past perfect tense.

مریض ڈاکٹر کے آنے سے پہلے ہی دم توڑ چکا تھا۔

It to indicate that one action (the patient dying) happened before another past action (the doctor arriving).