"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 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 is had submitted.
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 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 is "had confronted".
The past perfect tense is had chosen.
The past perfect tense is had burned.
The past perfect tense is had set.
The past perfect tense is had rung.
The past perfect tense of hope is had hoped.
The past perfect tense is had submitted.