HeyRua Get the app

To be in Irish (bí): Meaning, Conjugation, Examples

Other uses of ‘bí’: have · know

The Irish for to be is bí; ag bheith is being.
Updated October 2026Report a mistake

How to say “to be” in Irish

Irish:
bí
English:
to be, have, know
Word type:
verb, irregular
Verbal noun:
bheith (ag bheith, being)
Pronunciation:
“bee”  /bʲiː/

What does “bí” mean?

“Bí” has three alternative meanings. The most common comes first.

to be
To exist or to be in a certain state, place or condition.Also: exist, is, are, was.
2 other meanings: have or know
2to have
Used with 'ag' to express possession: something is at someone.Also: own, possess.
3to know
Used with 'ar eolas ag' or 'a fhios ag' to express knowing something.Also: be aware.

“Bí” in the different tenses

Every form follows An Caighdeán Oifigiúil.

Irregular verb. Bí is one of the eleven irregular verbs in Irish, so its forms do not follow the regular pattern. After ní, an and go, the past uses the stem raibh: ní raibh mé and an raibh mé?

Aimsir Chaite (Past)

PersonPositiveNegativeQuestion
mé (I)Bhí méI wasNí raibh méI was notAn raibh mé?Was I?
tú (you)Bhí túYou wereNí raibh túYou were notAn raibh tú?Were you?
sé / sí (he / she)Bhí sé / síHe wasNí raibh sé / síHe was notAn raibh sé / sí?Was he?
sinn (we)BhíomarWe wereNí rabhamarWe were notAn rabhamar?Were we?
sibh (you, plural)Bhí sibhYou wereNí raibh sibhYou were notAn raibh sibh?Were you?
siad (they)Bhí siadThey wereNí raibh siadThey were notAn raibh siad?Were they?
saorbhriathar (autonomous)BhíothasNí rabhthasAn rabhthas?

Aimsir Láithreach (Present)

PersonPositiveNegativeQuestion
mé (I)Tá méI amNíl méI am notAn bhfuil mé?Am I?
tú (you)Tá túYou areNíl túYou are notAn bhfuil tú?Are you?
sé / sí (he / she)Tá sé / síHe isNíl sé / síHe is notAn bhfuil sé / sí?Is he?
sinn (we)TáimidWe areNílimidWe are notAn bhfuilimid?Are we?
sibh (you, plural)Tá sibhYou areNíl sibhYou are notAn bhfuil sibh?Are you?
siad (they)Tá siadThey areNíl siadThey are notAn bhfuil siad?Are they?
saorbhriathar (autonomous)TátharNíltearAn bhfuiltear?

Aimsir Fháistineach (Future)

PersonPositiveNegativeQuestion
mé (I)Beidh méI will beNí bheidh méI will not beAn mbeidh mé?Will I be?
tú (you)Beidh túYou will beNí bheidh túYou will not beAn mbeidh tú?Will you be?
sé / sí (he / she)Beidh sé / síHe will beNí bheidh sé / síHe will not beAn mbeidh sé / sí?Will he be?
sinn (we)BeimidWe will beNí bheimidWe will not beAn mbeimid?Will we be?
sibh (you, plural)Beidh sibhYou will beNí bheidh sibhYou will not beAn mbeidh sibh?Will you be?
siad (they)Beidh siadThey will beNí bheidh siadThey will not beAn mbeidh siad?Will they be?
saorbhriathar (autonomous)BeifearNí bheifearAn mbeifear?

Modh Coinníollach (Conditional)

PersonPositiveNegativeQuestion
mé (I)BheinnI would beNí bheinnI would not beAn mbeinn?Would I be?
tú (you)BheifeáYou would beNí bheifeáYou would not beAn mbeifeá?Would you be?
sé / sí (he / she)Bheadh sé / síHe would beNí bheadh sé / síHe would not beAn mbeadh sé / sí?Would he be?
sinn (we)BheimisWe would beNí bheimisWe would not beAn mbeimis?Would we be?
sibh (you, plural)Bheadh sibhYou would beNí bheadh sibhYou would not beAn mbeadh sibh?Would you be?
siad (they)BheidísThey would beNí bheidísThey would not beAn mbeidís?Would they be?
saorbhriathar (autonomous)BheifíNí bheifíAn mbeifí?

“Bí” in a sentence: Irish examples

Past, present, future and conditional, with a negative and a question.

Bhí sé an-te inné.
It was very hot yesterday.
Tá mé tuirseach anois.
I am tired now.
Beidh mé sa bhaile amárach.
I will be at home tomorrow.
Bheadh sé go deas dá mbeadh an ghrian ann.
It would be nice if the sun were out.
Ní raibh sí ar scoil inniu.
She wasn't at school today.
An bhfuil tú ag teacht linn?
Are you coming with us?

Phrases with bí: Go raibh maith agat (thank you), Go raibh míle maith agat (thank you very much), Go raibh míle maith agat (thanks a million), Tá fáilte romhat (you're welcome), Tá brón orm (sorry)

Other verbs in Irish

More everyday Irish verbs to learn next.

Phrases with “bí”

To be in Irish: frequently asked questions

What is the Irish for to be?

The Irish for to be is bí (pronounced “bee”). It is an irregular verb; the verbal noun is bheith.

What is the verbal noun of bí?

The verbal noun of bí is bheith, used after ag for the continuous: ag bheith (being).

How do you say bí in the past and the future?

Past: Bhí mé; negative Ní raibh mé; question An raibh mé?. Future: Beidh mé; negative Ní bheidh mé; question An mbeidh mé?.

What is the modh coinníollach of bí?

The conditional (modh coinníollach) first person is Bheinn (I would be); negative Ní bheinn; question An mbeinn?.

Is bí an irregular verb?

Bí is one of the eleven irregular verbs in Irish, so its forms do not follow the regular pattern. After ní, an and go, the past uses the stem raibh: ní raibh mé and an raibh mé? The tables above give every form.

Does bí have more than one meaning?

Yes. Bí can mean to be, to have or to know, depending on context; the first is the most common.

What is the difference between 'bí' and the copula 'is'?

'Bí' (tá) describes states, locations and conditions, as in 'Tá sé fuar', while the copula 'is' classifies or identifies, as in 'Is múinteoir í'.

How do I say 'I have' with 'bí'?

Use 'tá' with 'ag': 'Tá carr agam' means 'I have a car'.

Learn Irish by
actually speaking it

Learn everyday Irish verbs like bí through guided conversation with Rua.

7-day free trial. Cancel anytime.

The HeyRua app home screen