Caibidil a Trí: The Verb (an Briathar)

Irregular only in the preterite (stem chuala, note: also the autonomous form is lenited!)
No special dependent forms
 

	indicative				imperative	conditional	subjunctive
	present	preterite	imperfect	future			present	preterite
1st pers. sg.	cloisim	chuala mé	chloisinn	cloisfidh mé	cloisim	chloisfinn	go gcloise mé	dá gcloisinn
2nd pers. sg.	cloiseann tú	chuala tú	chloisteá	cloisfidh tú	clois	chloisfeá	go gcloise tú	dá gcloisteá
3rd pers. sg.	cloiseann sé	chuala sé	chloiseadh sé	cloisfidh sé	cloiseadh sé	chloisfeadh sé	go gcloise sé	dá gcloiseadh sé
1st pers. pl.	cloisimid	chualamar	chloisimis	cloisfimid	cloisimis	chloisfimis	go gcloisimid	dá gcloisimis
2nd pers. pl.	cloiseann sibh	chuala sibh	chloiseadh sibh	cloisfidh sibh	cloisigí	chloisfeadh sibh	go gcloise sibh	dá gcloiseadh sibh
3rd pers. pl.	cloiseann siad	chuala siad	chloisidís	cloisfidh siad	cloisidís	chloisfidis	go gcloise siad	dá gcloisidís
autonomous	cloistear	chualathas	chloistí	cloisfear	cloistear	chloisfí	go gcloistear	dá gcloistí

Derivatives:
 

verbal noun		cloisteáil
genitive of the verbal noun	substantiv.	cloisteála
	infinitive	cloisteála
verbal adjective		cloiste

instead of clois in Ulster also (with same preterite form chuala): cluin = hear
As a verbal noun, also cloisint.