Allen & Greenough · Part First — Words and Forms › Forms of Conjugation

§187. FOURTH CONJUGATION (ī-STEMS)

The Fourth Conjugation includes all verbs which add ī- to the root to form the present stem. PRINCIPAL PARTS: Active, audiō, audīre, audīvī, audītum; Passive, audior, audīrī, audītus sum.

PRESENT STEM audī-

PERFECT STEM audīv-

SUPINE STEM audīt-

ACTIVE VOICE		PASSIVE VOICE
INDICATIVE	SUBJUNCTIVE	INDICATIVE	SUBJUNCTIVE
PRESENT		PRESENT
audiō, I hear	audiam1	audior	audiar1
audīs, you hear	audiās	audīris (-re)	audiāris (-re)
audit, he hears	audiat	audītur	audiātur
audīmus	audiāmus	audīmur	audiāmur
audītis	audiātis	audīminī	audiāminī
audiunt	audiant	audiuntur	audiantur
IMPERFECT		IMPERFECT
audiēbam1	audīrem	audiēbar1	audīrer
audiēbās	audīrēs	audiēbāris (-re)	audīrēris (-re)
audiēbat	audīret	audiēbātur	audīrētur
audiēbāmus	audīrēmus	audiēbāmur	audīrēmur
audiēbātis	audīrētis	audiēbāminī	audīrēminī
audiēbant	audīrent	audiēbantur	audīrentur
FUTURE		FUTURE
audiam1		audiar1
audiēs		audiēris (-re)
audiet		audiētur
audiēmus		audiēmur
audiētis		audiēminī
audient		audientur ¹ ¹ See § 179. d.

Active Voice		Passive Voice
INDICATIVE	SUBJUNCTIVE	INDICATIVE	SUBJUNCTIVE
PERFECT		PERFECT
audīvī	audīverim	audītus sum1	audītus sim1
audīvistī	audīveris	audītus es	audītus sīs
audīvit	audīverit	audītus est	audītus sit
audīvimus	audīverimus	audītī sumus	audītī sīmus
audīvistis	audīveritis	audītī estis	audītī sītis
audīvērunt (-re)	audīverint	audītī sunt	audītī sint
PLUPERFECT		PLUPERFECT
audīveram	audīvissem	audītus eram1	audītus essem1
audīverās	audīvissēs	audītus erās	audītus essēs
audīverat	audīvisset	audītus erat	audītus esset
audīverāmus	audīvissēmus	audītī erāmus	audītī essēmus
audīverātis	audīvissētis	audītī erātis	audītī essētis
audīverant	audīvissent	audītī erant	audītī essent
FUTURE PERFECT		FUTURE PERFECT
audīverō		audītus erō1
audīveris		audītus eris
audīverit		audītus erit
audīverimus		audītī erimus
audīveritis		audītī eritis
audīverint		audītī erunt ² ² See footnote 1 p. 94.

			IMPERATIVE
	Singular	Plural		Singular	Plural
PRESENT	audī	audīte		audīre	audīminī
FUTURE	audītō	audītōte		audītor	------
	audītō	audiuntō		audītor	audiuntor
			INFINITIVE
PRESENT	audīre			audīrī
PERFECT	audīvisse			audītus esse
FUTURE	audītūrus esse		audītum īrī
			PARTICIPLES
PRESENT	audiēns, -ientis		PERFECT	audītus, -a, -um
FUTURE	audītūrus, -a, -um		GERUNDIVE	audiendus, -a, -um
	GERUND		SUPINE
audiendī, -dō, -dum, -dō	audītum, audītū

J. H. Allen and J. B. Greenough, New Latin Grammar (Boston: Ginn, 1903). Text provided under a CC BY-SA license by Perseus Digital Library, http://www.perseus.tufts.edu, with funding from the National Endowment for the Humanities.