Irregular Latin Verbs - Sum

Conjugate sum, esse, fui, (futurus).

Graffiti reading
"I am a Roman citizen." A proud graffito on via dell'Umiltà. "civis romanus sum" (CC BY 2.0) by  antmoose 

About Irregular Latin Verbs

After the paradigm of the verb sum you'll find other Latin irregular verbs and compound verbs formed from sum.

INDICATIVE MOOD

Present Tense
 SingularPlural
1sumsumus
2esestis
3estsunt
Imperfect Tense
 SingularPlural
1erameramus
2eraseratis
3eraterant
Future Tense
 SingularPlural
1eroerimus
2eriseritis
3eriterunt
Perfect Tense
 SingularPlural
1fuifuimus
2fuistifuistis
3fuitfuerunt
Pluperfect Tense
 SingularPlural
1fueramfueramus
2fuerasfueratis
3fueratfuerant
Future Perfect Tense
 SingularPlural
1fuerofuerimus
2fuerisfueritis
3fueritfuerint

SUBJUNCTIVE MOOD

Present Tense
 SingularPlural
1simsimus
2sissitis
3sitsint
Imperfect Tense
 SingularPlural
1essemessemus
2essesessetis
3essetessent
Perfect Tense
 SingularPlural
1fuerimfuerimus
2fuerisfueritis
3fueritfuerint
Pluperfect Tense
 SingularPlural
1fuissemfuissemus
2fuissesfuissetis
3fuissetfuissent

 

Irregular Verbs in Latin

Eo - to goFio - to become
nolo, nolle, nolui - 'to be unwilling' and malo, malle, malui 'to prefer' are similar.Volo - to wish
Fero - to carrySum - to be
compounds: adsum, desum, insum, intersum, praesum, obsum, prosum, subsum, supersum
Do - to giveEdo - to eat