Kept is the past tense of keep. The past perfect tense is had kept.
The past tense of kept is "kept."Past: keptPresent: keepFuture: keep
The past perfect tense of hope is had hoped.
"Had been" is the past perfect tense of be.
The past perfect tense is had met.
The past perfect tense is had run.
The past perfect tense of keep is had kept.
Existed is the past tense. The past perfect tense is had existed.
The past tense of kept is "kept."Past: keptPresent: keepFuture: keep
The past tense is bled, and the past perfect tense is had bled.
The past tense of sit is sat; the past perfect tense is had sat.
I/you/we/they have kept. She/he/it has kept.
The past perfect tense of hope is had hoped.
The past perfect tense is had submitted.
The past perfect tense is had chosen.
The past perfect tense is "had confronted".
The past perfect tense is had set.
The past perfect tense is had burned.