Mastering Past Perfect Tense

Front

Definition

Back

Action completed before another past action

Front

Structure

Back

Had + past participle

Front

Example 1

Back

She had finished her homework.

Front

Example 2

Back

They had left before we arrived.

Front

Negative form

Back

Had not + past participle

Front

Question form

Back

Had + subject + past participle?

Front

Usage 1

Back

To show sequence of past events

Front

Usage 2

Back

To express regret or missed opportunity

Front

Signal words

Back

Already, before, by the time

Front

Common mistake

Back

Using 'has' instead of 'had'