"Had left" is the past perfect tense of leave.
The past perfect is formed with - had + past participleThe past participle of leave is leftTherefore the past perfect is had left - James had leftby the time I arrived
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.
The past perfect tense of leave is 'had left'.
The past perfect is formed with - had + past participleThe past participle of leave is leftTherefore the past perfect is had left - James had leftby the time I arrived
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 hope is had hoped.
The past perfect tense of "submit" is "had submitted."
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
Perfected is the past tense of perfect.
"Had been" is the past perfect tense of be.
The past perfect tense of 'get' is 'had gotten'
The past perfect tense of do is had done.