Understanding “Had Not”

The phrase “had not” (often contracted as “hadn’t”) is used in English to form the negative of the past perfect tense. It describes an action that did not happen before another point or action in the past.

Structure

Subject + had not + past participle

Common Uses

Examples

• She had not seen the movie before last night.
• We hadn’t eaten anything all day.
• If I had not forgotten my keys, I wouldn’t have been locked out.

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