To form the perfect active infinitive, take the perfective
stem (second principle part minus the -i), and add -isse. To form
the passive, take the fourth principle part (in the neuter) and add the
present infinitive of sum, esse: esse
| Verb |
Active |
Passive |
| amo, amare, amavi, amatum |
amavisse |
amatum esse |
| debeo, debere, debui, debitum |
debuisse |
debitum esse |
| rego, regere, rexi, rectum |
rexisse |
rectum esse |
| capio, capere, cepi, captum |
cepisse |
captum esse |
| audio, audire, audivi, auditum |
audivisse |
auditum esse |
Infinitives do not decline.
The perfect active infinitive is generally translated like, " to
have verbed".
The perfect passive infinitive is generally translated like, " to
have been verbed".
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Other
Verb Paradigms by Tense
Present Tense
Imperfect Tense
Future Tense
Perfect Tense
Pluperfect Tense
Future Perfect Tense
Present Passive
Imperfect Passive
Future Passive
Perfect Passive
Pluperfect Passive
Future Perfect Passive
Present Active Infinitive
Present Passive Infinitive
Perfect Infinitives
Future Active Infinitive
Present Active Partiple
Perfect Passive Participle
Future Active Participle
Gerunds
Gerundives
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Morphology Index
Noun Morphology
Adjective Morphology
Pronouns
Verb Elements
Verb Conjugations
Verb Tenses
Irregular Verbs
Infinitive Forms
Imperative Mood
Subjunctive Conjugations
Subjunctive Tenses
Variant Forms
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Related
Topics
View Verb Paradigms by
Conjugation
Verb Syntax
Infinitives
Present Active Infinitive
Present Passive Infinitive
Future Active Infinitive
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