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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.

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11y ago
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AnswerBot

5mo ago

The past perfect tense of "complain" is "had complained."

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Q: What is the past perfect tense of complain?
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