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The form of the past perfect tense is easy to understand:
it always has two parts: had and the past participle
("third form") of the verb:
| had asked |
|
had arisen |
| had begged |
|
had been |
| had checked |
|
had cost |
| had dropped |
|
had driven |
| had expected |
|
had eaten |
| had fixed |
|
had frozen |
| had guessed |
|
had gone |
| had hoped |
|
had had* |
| had implied |
|
had hurt |
| had jumped |
|
had known |
| had kissed |
|
had lent |
| had liked |
|
had meant |
| had missed |
|
had put |
| had needed |
|
had quit |
| had opened |
|
had run |
| had passed |
|
had seen |
| had questioned |
|
had taken |
| had risked |
|
had understood |
| had stopped |
|
had won |
| had uncovered |
|
|
| had viewed |
|
|
| had watched |
|
|
| had x-rayed |
|
|
| had yelled |
|
|
| had zoomed |
|
|
* Notice that had can be both an auxiliary verb
and a main verb. |
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In the past perfect, the auxiliary had is often contracted to 'd:
| I had ---> I'd |
|
we had --->we'd |
| you had ---> you'd |
|
you had ---> you'd |
he / she / it had --->
he'd / she'd / it'd |
|
they had --->they'd |
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The past perfect is made negative by adding not after had,
but had not is often contracted to hadn't. In addition,
contractions are common with subject pronouns:
| I had not ---> I'd not |
|
we had not --->we'd not |
| you had not ---> you'd not |
|
you had not ---> you'd not |
he / she / it had not --->
he'd not / she'd not / it'd not |
|
they had not --->they'd not |
|