The past prefect tense of forget is forgotten.
Example:
I had forgotten my lunch box at home
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 is had borne.
There is no past participle tense. A past participle is a form of a verb that is used to make different tenses.The past participle form of forget is forgotten. Forgotten is used to make different tenses egpresent perfect -- have forgottenpast perfect -- had forgottenpassive -- be forgotten
Present tense: forget, Perfect tense: have forgotten
The past tense of the word forget is the word "forgot".
Existed is the past tense. The past perfect tense is had existed.
The present perfect tense of forget is have/has forgotten.
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.
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.