Latin Verb "To Be" - Sum

The Irregular Verb to be in Latin is sum, esse, fui, (futurus).

Related Resources • Irregular Verb Fio • Irregular Verb Possum • First Conjugation Verbs • Second Conjugation Verbs • Third Conjugation Verbs • Fourth Conjugation Verbs • Very Basic Latin

INDICATIVE MOOD
Present Tense
	Singular	Plural
1	sum	sumus
2	es	estis
3	est	sunt
Imperfect Tense
	Singular	Plural
1	eram	eramus
2	eras	eratis
3	erat	erant
Future Tense
	Singular	Plural
1	ero	erimus
2	eris	eritis
3	erit	erunt
Perfect Tense
	Singular	Plural
1	fui	fuimus
2	fuisti	fuistis
3	fuit	fuerunt
Pluperfect Tense
	Singular	Plural
1	fueram	fueramus
2	fueras	fueratis
3	fuerat	fuerant
Future Perfect Tense
	Singular	Plural
1	fuero	fuerimus
2	fueris	fueritis
3	fuerit	fuerint
SUBJUNCTIVE MOOD
Present Tense
	Singular	Plural
1	sim	simus
2	sis	sitis
3	sit	sint
Imperfect Tense
	Singular	Plural
1	essem	essemus
2	esses	essetis
3	esset	essent
Perfect Tense
	Singular	Plural
1	fuerim	fuerimus
2	fueris	fueritis
3	fuerit	fuerint
Pluperfect Tense
	Singular	Plural
1	fuissem	fuissemus
2	fuisses	fuissetis
3	fuisset	fuissent

First Conjugation Verb Paradigm

Very Basic Latin - Latin Verbs of the First Conjugation

About Irregular Latin Verbs

Irregular Latin Verbs

• Eo - to go
• Fio - to become
• Volo - to wish
  nolo, nolle, nolui 'to be unwilling' and malo, malle, malui 'to prefer' are similar.
• Sum - to be
  compounds: adsum, desum, insum, intersum, praesum, obsum, prosum, subsum, supersum
• Do - to give
• Fero - to carry
• Edo - to eat