The past perfect is formed with - had + past participle
The past participle of leave is left
Therefore the past perfect is had left - James had leftby the time I arrived
"Had left" is the past perfect tense of leave.
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."
The past perfect tense of "submit" is "had submitted."
The past tense of sit is sat; the past perfect tense is had sat.
"Had left" is the past perfect tense of leave.
The past perfect tense of leave is 'had left'.
Existed is the past tense. The past perfect tense is had existed.
The past perfect tense of hope is had hoped.
The past tense of "bleed" is "bled." The past perfect tense of "bleed" is "had bled."
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.
Perfected is the past tense of perfect.
The past perfect tense of borrow is "had borrowed."