Present Active IndicativeSingular | Plural | duplicō | duplicāmus | duplicās | duplicātis | duplicat | duplicant |
| Present Passive IndicativeSingular | Plural | duplicor | duplicāmur | duplicāris, duplicāre (short_form) | duplicāminī | duplicātur | duplicantur |
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Imperfect Active IndicativeSingular | Plural | duplicābam | duplicābāmus | duplicābās | duplicābātis | duplicābat | duplicābant |
| Imperfect Passive IndicativeSingular | Plural | duplicābar | duplicābāmur | duplicābāris, duplicābāre (short_form) | duplicābāminī | duplicābātur | duplicābantur |
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Future Active IndicativeSingular | Plural | duplicābō | duplicābimus | duplicābis | duplicābitis | duplicābit | duplicābunt |
| Future Passive IndicativeSingular | Plural | duplicābor | duplicābimur | duplicāberis, duplicābere (short_form) | duplicābiminī | duplicābitur | duplicābuntur |
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Perfect Active IndicativeSingular | Plural | duplicāvī | duplicāvimus | duplicāvistī, duplicāvtī (colloquial) | duplicāvistis | duplicāvit | duplicāvērunt, duplicāvēre (short_form) |
| Perfect Passive IndicativeSingular | Plural | duplicātus, -a, -um sum | duplicātī, -ae, -a sumus | duplicātus, -a, -um es | duplicātī, -ae, -a estis | duplicātus, -a, -um est | duplicātī, -ae, -a sunt |
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Pluperfect Active IndicativeSingular | Plural | duplicāveram | duplicāverāmus | duplicāverās | duplicāverātis | duplicāverat | duplicāverant |
| Pluperfect Passive IndicativeSingular | Plural | duplicātus, -a, -um eram | duplicātī, -ae, -a erāmus | duplicātus, -a, -um erās | duplicātī, -ae, -a erātis | duplicātus, -a, -um erat | duplicātī, -ae, -a erant |
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Future Perfect Active IndicativeSingular | Plural | duplicāverō | duplicāverimus | duplicāveris | duplicāveritis | duplicāverit | duplicāverint |
| Future Perfect Passive IndicativeSingular | Plural | duplicātus, -a, -um erō | duplicātī, -ae, -a erimus | duplicātus, -a, -um eris | duplicātī, -ae, -a eritis | duplicātus, -a, -um erit | duplicātī, -ae, -a erunt |
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Present Active SubjunctiveSingular | Plural | duplicem | duplicēmus | duplicēs | duplicētis | duplicet | duplicent |
| Present Passive SubjunctiveSingular | Plural | duplicer | duplicēmur | duplicēris, duplicēre (short_form) | duplicēminī | duplicētur | duplicentur |
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Imperfect Active SubjunctiveSingular | Plural | duplicārem | duplicārēmus | duplicārēs | duplicārētis | duplicāret | duplicārent |
| Imperfect Passive SubjunctiveSingular | Plural | duplicārer | duplicārēmur | duplicārēris, duplicārēre (short_form) | duplicārēminī | duplicārētur | duplicārentur |
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Perfect Active SubjunctiveSingular | Plural | duplicāverim | duplicāverīmus | duplicāverīs | duplicāverītis | duplicāverit | duplicāverint |
| Perfect Passive SubjunctiveSingular | Plural | duplicātus, -a, -um sim | duplicātī, -ae, -a sīmus | duplicātus, -a, -um sīs | duplicātī, -ae, -a sītis | duplicātus, -a, -um sit | duplicātī, -ae, -a sint |
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Pluperfect Active SubjunctiveSingular | Plural | duplicāvissem | duplicāvissēmus | duplicāvissēs | duplicāvissētis | duplicāvisset | duplicāvissent |
| Pluperfect Passive SubjunctiveSingular | Plural | duplicātus, -a, -um essem | duplicātī, -ae, -a essēmus | duplicātus, -a, -um essēs | duplicātī, -ae, -a essētis | duplicātus, -a, -um esset | duplicātī, -ae, -a essent |
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Present Active Participleduplicāns, duplicantis (3rd declension) |
| Present Passive Participle ** does not exist in Latin |
Perfect Active Participle ** does not exist in Latin | Perfect Passive Participleduplicātus, -a, -um (2-1-2 declension) |
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Future Active Participleduplicātūrus, -a, -um (2-1-2 declension) |
| Future Passive Participleduplicandus, -a, -um (2-1-2 declension) |
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