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Fourth Conjugation Verbs

List of Fourth conjugation verbs and their grammar.

Ending Pattern

  • -iō, -īre (audio, audire)

Present Indicative Chart

Singular Plural
1st -iō -īmus
2nd -īs -ītis
3rd. -it -iunt

Present Imperative Chart

2nd Singular Plural
stem + ī stem + īte

Present Active Infinitive Chart

Latin Form English Translation
stem + re to verb
Ex: audire to listen

Present Passive Infinitive Chart

Latin Form English Translation
stem + ri to be verbed
Ex: audiri to be heard

Imperfect Indicative Chart

Singular Plural
1st -iebam -iebamus
2nd -iebas -iebatis
3rd. -iebat -iebant

Future Indicative Chart

Singular Plural
1st -iam -iemus
2nd -ies -ietis
3rd. -iet -ient

Perfect Active Indicative Chart

I have verbed; I verbed
Singular Plural
1st -ī -imus
2nd -istī -istis
3rd. -it -ērunt

Pluperfect Active Indicative Chart

I had verbed
Singular Plural
1st -eram -erāmus
2nd -erās -erātis
3rd. -erat -erant

Future Perfect Active Indicative Chart

I shall have verbed
Singular Plural
1st -erō -erimus
2nd -eris -eritis
3rd. -erit -erint

Present Indicative Passive

I am (being) verbed
Singular Plural
1st -ior -imur
2nd -iris -iminī
3rd. -itur -iuntur

Imperfect Indicative Passive

I was (being) verbed, used to be verbed
Singular Plural
1st -iebar -iebamur
2nd -iebaris -iebaminī
3rd. -iebatur -iebantur

Future Indicative Passive

I will be verbed
Singular Plural
1st -iar -iemur
2nd -iēris -ieminī
3rd. -ietur -ientur

Perfect Indicative Passive

I was verbed, have been verbed
Singular Plural
1st (4th principal stem + -us/-a/-um) sum (4th principal stem + -i/-ae/-a) sumus
2nd (4th principal stem + -us/-a/-um) es (4th principal stem + -i/-ae/-a) estis
3rd. (4th principal stem + -us/-a/-um) est (4th principal stem + -i/-ae/-a) sunt

Pluperfect Perfect Indicative Passive

I had been verbed
Singular Plural
1st (4th principal stem + -us/-a/-um) eram (4th principal stem + -i/-ae/-a) eramus
2nd (4th principal stem + -us/-a/-um) erās (4th principal stem + -i/-ae/-a) erātis
3rd. (4th principal stem + -us/-a/-um) erat (4th principal stem + -i/-ae/-a) erant

Future Perfect Indicative Passive

I will have been verbed
Singular Plural
1st (4th principal stem + -us/-a/-um) erō (4th principal stem + -i/-ae/-a) erimus
2nd (4th principal stem + -us/-a/-um) eris (4th principal stem + -i/-ae/-a) eritis
3rd. (4th principal stem + -us/-a/-um) erit (4th principal stem + -i/-ae/-a) erunt

List of Fourth Conjugation Verbs

Term Definition Derivatives
audio, audire, audivi, auditum to hear, listen to audible, audience, audition
venio, venire, veni, ventum to come advent, adventure, avenue, convene, contravene, event, intervene
invenio, invenire, inveni, inventum to come upon, find invent, inventor, inventive, inventory
sentio, sentire, sensi, sensum to feel, perceive, think, experience assent, consent, dissent, resent, sentient, sentimental, scent
sciō, scīre, scīvī, scītum to know science, scientific, conscience, conscious, pre-science, scilicet