The past perfect tense of complete is had completed.
"Had awoken" is the past perfect tense.
The past perfect tense is 'had started'.
The past perfect tense of begin is had begun.
The past perfect tense of wake is had woken.
The past perfect tense of creep is had crept.
had completed.
Existed is the past tense. The past perfect tense is had existed.
The past tense of "bleed" is "bled." The past perfect tense of "bleed" is "had bled."
"They have" is the subject and auxiliary verb parts of the present perfect tense. Following these should be a past participle of a verb to complete the tense.
The past perfect tense of hope is had hoped.
The past perfect tense of "submit" is "had submitted."
The past perfect tense is had set.
The past tense of sit is sat; the past perfect tense is had sat.
present tense past tense future tense present perfect tense past perfect tense future perfect tense present progressive tense past progressive tense future progressive tense present perfect progressive tense past perfect progressive tense future perfect progressive tense
The past perfect tense of 'get' is 'had gotten'
"Had been" is the past perfect tense of be.
The past perfect tense of do is had done.