Past Perfect Tense

Rule Title
Past Perfect Tense
Category
Tenses
Rule Explanation

Used for an action completed before another past action.

Structure

Subject + had + V3

Key Pattern

The earlier action uses past perfect; the later action uses simple past.

Signals

before, after, when, by the time, already.

Correct Example
  • By the time she arrived, he had already left.
  • She had studied for three hours before the exam started.
Incorrect Example
  • When he arrived, she already left. (earlier action should be past perfect)

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