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* infinitive: know * past: knew * past participle: known

Past Perfect is formed like this: had + past participle

Past Perfect: had known

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15y ago
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5mo ago

The past perfect tense of "know" is "had known."

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Q: What is the past perfect tense of know?
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Related questions

What the past perfect tense of know?

The past perfect tense of "know" is "had known." It is formed by using the past tense of the auxiliary verb "have" (had) followed by the past participle of the main verb (known).


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The past tense of "exist" is "existed." The past perfect tense is "had existed."


What is the present perfect tense of known?

Known is the past participle of know. The present perfect tense of know is have/has known.


What is past tense of know?

The past simple tense is knew. e.g. "I knew the answer but I forgot. "The perfect past tense is had known. e.g. "I had known once, but I don't know now."


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The past perfect tense of hope is had hoped.


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The past perfect tense of "confront" is "had confronted."


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The past perfect tense of "learn" is "had learned."