Past Perfect Tense
Subject + had + Past ParticipleShe had done her homework when I came.
Subject + had + not + Past Participle
Had not = hadn’tShe hadn’t done her homework when I came.
Had + Subject + Past Participle?Had she done her homework when you came?
The past perfect and present perfect are used in the same way. However, the past perfect refers to a time in the past, while the present perfect refers to a time in the present.
Already, just, never, ever
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