The Irish Language Grimoire — Two Verbs of Being
Where English has one verb “to be”, Irish has two: “is” and “tá”. They are not interchangeable. Each one covers a particular kind of statement about the subject, and choosing the wrong one produces a sentence that grammatically does not say what you meant. Learning the distinction is the single biggest leap from English-speaker fluency to Irish-speaker fluency for everyday speech.
The split
| Use | Verb | Example |
|---|---|---|
| State, condition, location | Tá | Tá mé sásta. (I am happy.) |
| Classification, identity, definition | Is | Is múinteoir mé. (I am a teacher.) |
Tá (the substantive verb) describes how something is at this moment: a temporary state, an emotion, a place, a condition. Is (the copula) describes what something is in essence: a category, a role, an identity.
Tá — the substantive verb
Use tá when you would say “I am in a state of X” or “X is located somewhere”:
| English | Irish |
|---|---|
| I am happy. | Tá áthas orm. (lit. “Joy is on me”) |
| She is at home. | Tá sí sa bhaile. |
| The dog is hungry. | Tá ocras ar an madra. (lit. “Hunger is on the dog”) |
| It is cold. | Tá sé fuar. |
| I am tired. | Tá tuirse orm. (lit. “Tiredness is on me”) |
| The book is on the table. | Tá an leabhar ar an mbord. |
Irish frequently expresses emotions and bodily states as something that is “on” the person, not as a property they “are”. This is the “on-me construction”:
- Tá brón orm — Sadness is on me — I am sad
- Tá fearg air — Anger is on him — He is angry
- Tá ocras ar an madra — Hunger is on the dog — The dog is hungry
The construction takes the emotion as a noun and the person as the object of a preposition.
Is — the copula
Use is when you would say “X is a [category]” or “X is [identifying-property]”:
| English | Irish |
|---|---|
| I am a teacher. | Is múinteoir mé. |
| She is an Irish-speaker. | Is Gaeilgeoir í. |
| Brigid is a goddess. | Is bandia í Bríd. |
| The dog is mine. | Is liomsa an madra. |
| It is a fine day. | Is breá an lá é. |
| He is the doctor. | Is é an dochtúir é. |
The copula sentence structure is different from tá sentences. Notice the order: Is + predicate + subject. The thing being classified often comes after the classification.
The same English sentence, two Irish sentences
Some English sentences map to different Irish sentences depending on which verb of being you use:
| English | Tá version | Is version |
|---|---|---|
| She is a doctor. | (rarely natural with tá) | Is dochtúir í. |
| She is the doctor. | Tá sí ina dochtúir. (She is in her doctor-role) | Is í an dochtúir í. |
| The cake is good. | Tá an cáca go maith. (state: it tastes good now) | Is maith an cáca é. (judgement: it is a good cake) |
The tá version often describes how the subject is being at this moment. The is version describes what the subject is.
Common mistakes for English-speakers
The most common mistake: using tá for classification or profession. “He is a teacher” almost always wants Is múinteoir é, not Tá sé múinteoir.
The second most common: using tá mé + emotion as an adjective. “I am sad” is Tá brón orm (sadness is on me), not Tá mé brónach. The “on-me” construction is the natural Irish frame.
A useful test: if you can paraphrase the English as “X belongs to the category Y”, use is. If you can paraphrase it as “X is currently feeling/located/experiencing Y”, use tá.
Practise
The flashcard drill below gives you 25 English sentences and asks you to choose Is or Tá for each one. The reveal shows the correct Irish construction with a short explanation.