Mastering Past Perfect Tense

Front

Past perfect structure

Back

Had + past participle

Front

Signal word: already

Back

She had already left.

Front

Signal word: before

Back

He had finished before noon.

Front

Negative form

Back

Had not + past participle

Front

Example: missed bus

Back

I had missed the bus.

Front

Question form

Back

Had + subject + past participle?

Front

Use: earlier action

Back

Action completed before another past event.

Front

Example: eaten lunch

Back

They had eaten lunch before the meeting.

Front

Clue: two past events

Back

Look for the earlier action.

Front

Common mistake

Back

Using 'has' instead of 'had'.