Using the subjunctive, by the way, is usually optional. There’s no rule that says you have to use it. The term is just a way of understanding why we are sometimes inclined to say “if I were ...

In grammar, when we conjugate a verb, it just means that we change the verb in order for a sentence to make sense. In Irish, regular verbs are categorised into two conjugations.

There’s a one-word key to finding the answer: subjunctive. That’s the term for the grammar dynamic that determines whether “was” or “were” is best.

An explanation of the uses of the present tense and how to conjugate it. Video Transcript Video Transcript. It is my birthday - Es mi cumpleaños. I am 15 years old - Tengo 15 años.