Latin Third Conjugation i-stem Paradigm

Principal parts for iacere, to throw, hurl

iacio, iacere, ieci, iactus.

Infinitives

Present Perfect Future
Active Voice iacere iecisse iacturus esse
Passive Voice iaceri iactus esse iactum iri

Participles

Present Perfect Future
Active Voice iaciens ----- iacturus
Passive Voice ----- iactus iaciendus

Indicative Mood

Active Voice

Present Tense Imperfect Tense Future Tense
Singular Plural
1 iacio iacimus
2 iacis iacitis
3 iacit iaciunt
Singular Plural
1 iaciebam iaciebamus
2 iaciebas iaciebatis
3 iaciebat iaciebant
Singular Plural
1 iaciam iaciemus
2 iacies iacietis
3 iaciet iacient
Perfect Tense Pluperfect Tense Future Perfect Tense
Singular Plural
1 ieci iecimus
2 iecisti iecistis
3 iecit iecerunt
Singular Plural
1 ieceram ieceramus
2 ieceras ieceratis
3 iecerat iecerant
Singular Plural
1 iecero iecerimus
2 ieceris ieceritis
3 iecerit iecerint

Passive Voice

Present Tense Imperfect Tense Future Tense
Singular Plural
1 iacior iacimur
2 iaceris iacimini
3 iacitur iaciuntur
Singular Plural
1 iaciebar iaciebamur
2 iaciebaris iaciebamini
3 iaciebatur iaciebantur
Singular Plural
1 iaciar iaciemur
2 iacieris iaciemini
3 iacietur iacientur

The perfect passives of iacere are formed from the passive participle and the present, past or future tense of esse.

Perfect passive: iactus sum
Pluperfect passive: iactus eram
Future perfect passive: iactus ero

The ending -unt in the perfect active (3 pl) and the ending -is in the present, past and future passive (2 sing) are sometimes contracted to -e.

Subjunctive Mood

Active Voice

Present Tense Imperfect Tense
Singular Plural
1 iaciam iaciamus
2 iacias iaciatis
3 iaciat iaciant
Singular Plural
1 iacerem iaceremus
2 iaceres iaceretis
3 iaceret iacerent
Perfect Tense Pluperfect Tense
Singular Plural
1 iecerim iecerimus
2 ieceris ieceritis
3 iecerit iecerint
Singular Plural
1 iecissem iecissemus
2 iecisses iecissetis
3 iecisset iecissent

Passive Voice

Present Tense Imperfect Tense
Singular Plural
1 iaciar iaciamur
2 iaciaris iaciamini
3 iaciatur iaciantur
Singular Plural
1 iacerer iaceremur
2 iacereris iaceremini
3 iaceretur iacerentur

The perfect passive subjunctives of iacere are formed from the passive participle and the present or past subjunctive of esse.

Perfect passive subjunctive: iactus sim
Pluperfect passive subjunctive: iactus essem

The ending -is in the present and past passive subjunctive (2 sing) is sometimes contracted to -e.

Imperative Mood

Active Voice

Present Tense Future Tense
Singular Plural
2 iace iacite
3 ----- -----
Singular Plural
2 iacito iacitote
3 iacito iaciunto

Passive Voice

Present Tense Future Tense
Singular Plural
2 iacere iacimini
3 ----- -----
Singular Plural
2 iacitor -----
3 iacitor iaciuntor

Gerund and Supine

Genitive Dative Accusative Ablative
Gerund iaciendi iaciendo iaciendum iaciendo
Supine ----- ----- iactum iactu

Mail comments to Eric Conrad (econrad@math.ohio-state.edu).
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Last updated: Wed Aug 27 21:01:38 EDT 1997