The past perfect tense is created with the auxiliary verb had and a past participle. The past perfect tense of complain is had complained. The past perfect progressive tense is created with had + been + a present participle. The past perfect progressive of complain is had been complaining.
The past perfect tense of "complain" is "had complained."
The past tense of "complain" is "complained."
Complain is present tense. The past tense is complained.
"Complain" in past tense is "complained" and in present tense is "complains."
The past tense of "complain" is "complained" and the past participle is also "complained."
The past tense of "exist" is "existed." The past perfect tense is "had existed."
Complain is present tense. The past tense is complained.
The past tense of "exist" is "existed." 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 of sit is had sat.
The past tense of "complain" is "complained."
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." For example, "She had done her homework before dinner."
The past perfect tense of borrow is "had borrowed."