All the conjunctions
Which ones change the verb
Lenition (a séimhiú) after má, nuair a and ó: má thagann, nuair a bhí, ó tháinig. Eclipsis (an urú) after go, dá, mura, sula, cé go, toisc go, ionas go and go dtí go: go bhfuil, dá mbeadh, sula dtéann. In the past tense of a regular verb those become gur, murar, sular, cé gur with a séimhiú: gur tháinig.
Conjunctions in Irish: agus, ach, má, nuair a, go and more: the questions people ask
What is the Irish for and?
Agus. Tae agus caife, tea and coffee. In speech it is often shortened to is.
What is the difference between má and dá?
Má is if for something that may well be true, and lenites: má thagann sé, if he comes. Dá is if for something imagined or unlikely, eclipses, and takes the conditional: dá dtiocfadh sé, if he were to come.
When is it go and when is it gur?
Go (that) eclipses: deir sé go bhfuil sé tinn. In the past tense of a regular verb it becomes gur with a séimhiú: dúirt sí gur tháinig sé. The irregular pasts keep go: go raibh, go ndeachaigh, go bhfaca.