Had performed.
Performed is past tense. The present tense is perform, and the future tense is will perform.
"Perform" by itself is present tense; "will perform" is in future tense. The past tense would be "performed".
Have performed
Have/Has been performing.
The past perfect progressive tense is formed with the auxiliary verbs had + been and a present participle. The past perfect progressive tense of dance is had been dancing.
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.
The past perfect tense of "learn" is "had learned."
The past perfect tense is had bathed.