Everything you need to use the past perfect correctly: the formula, when to use it, signal words, common mistakes and exercises with answers.
Actions completed before another action in the past. Affirmative: S + had + V3 (past participle); Negative: S + had + not + V3; Interrogative: Had + S + V3? Signal words: before, after, by the time, already, just, never ... before.
| Form | Structure | Example |
|---|---|---|
| Affirmative | S + had + V3 (past participle) All subjects + had | She had already left when I arrived. 'Had' is the same for every person |
| Negative | S + had + not + V3 | I had not (hadn't) eaten before the meeting. Contraction: had not = hadn't |
| Interrogative | Had + S + V3? | Had you finished before 5 PM? Short answers: Yes, I had. / No, I hadn't. |
Describes an action that was completed before another one in the past.
Used with 'by the time' for something that had happened before that point.
Used in reported speech and in the third conditional.
| Word | Example | Note |
|---|---|---|
| before | I had eaten before she arrived. | |
| after | After he had left, I found his wallet. | |
| by the time | By the time I woke up, she had gone. | |
| already | They had already finished when we arrived. | Goes between 'had' and the past participle |
| just | He had just left when you called. | |
| never ... before | I had never seen snow before that day. |
Fill in the blank, then open the answer to check it.
Options: had started · has started · started · was starting
had started. "By the time" with the past simple shows the main action came earlier, so the past perfect.
Options: had never flown · had never flowned · had never flowning
had never flown. "Before" signals the past perfect. Fly → flown is irregular, and "never" goes between 'had' and the participle.
Options: had turned · is turning · turn · were turning
had turned. "before I arrived" shows that this task was completed before another milestone in the past, so this sentence uses the Past Perfect tense. The formula is had + past participle, common to all subjects: had turned.
Options: had paid · is paying · was paying · will have paid
had paid. "before that" shows that this action was completed before another point in the past, so this sentence uses the Past Perfect tense. The formula is had + past participle, common to all subjects: had paid.
Options: are telling · had told · has told · will be telling
had told. "by the time I came" shows that this event was completed before another milestone in the past, so this sentence uses the Past Perfect tense. The formula is had + past participle, common to all subjects: had told.
Options: are loving · had loved · has been loving · will be loving
had loved. "before I arrived" shows that this task was completed before another milestone in the past, so this sentence uses the Past Perfect tense. The formula is had + past participle, common to all subjects: had loved.
Options: had understood · have understood · understood · will understand
had understood. "before that" shows that this action was completed before another point in the past, so this sentence uses the Past Perfect tense. The formula is had + past participle, common to all subjects: had understood.
Options: drank · drunk · had drunk · will drink
had drunk. "by the time I came" shows that this event was completed before another milestone in the past, so this sentence uses the Past Perfect tense. The formula is had + past participle, common to all subjects: had drunk.
Options: climbs · had climbed · has climbed · will have climbed
had climbed. "before I arrived" shows that this task was completed before another milestone in the past, so this sentence uses the Past Perfect tense. The formula is had + past participle, common to all subjects: had climbed.
Options: had slept · has been sleeping · has slept · will have been sleeping
had slept. "before that" shows that this action was completed before another point in the past, so this sentence uses the Past Perfect tense. The formula is had + past participle, common to all subjects: had slept.
Options: are remembering · had remembered · have been remembering · will be remembering
had remembered. "by the time I came" shows that this event was completed before another milestone in the past, so this sentence uses the Past Perfect tense. The formula is had + past participle, common to all subjects: had reminded.
Options: had waited · has been waiting · have been waiting · will wait
had waited. "before I arrived" shows that this task was completed before another milestone in the past, so this sentence uses the Past Perfect tense. The formula is had + past participle, common to all subjects: had waited.
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