ymddiheuro

Welsh

From ym- +‎ diheuro (“to excuse”).

ymddiheuro (first-person singular present ymddiheuraf)

Conjugation (literary)

	singular			plural			impersonal
	first	second	third	first	second	third	impersonal
present indicative/future	ymddiheuraf	ymddiheuri	ymddiheura	ymddiheurwn	ymddiheurwch	ymddiheurant	ymddiheurir
imperfect (indicative/subjunctive)/ conditional	ymddiheurwn	ymddiheurit	ymddiheurai	ymddiheurem	ymddiheurech	ymddiheurent	ymddiheurid
preterite	ymddiheurais	ymddiheuraist	ymddiheurodd	ymddiheurasom	ymddiheurasoch	ymddiheurasant	ymddiheurwyd
pluperfect	ymddiheuraswn	ymddiheurasit	ymddiheurasai	ymddiheurasem	ymddiheurasech	ymddiheurasent	ymddiheurasid, ymddiheuresid
present subjunctive	ymddiheurwyf	ymddiheurych	ymddiheuro	ymddiheurom	ymddiheuroch	ymddiheuront	ymddiheurer
imperative	—	ymddiheura	ymddiheured	ymddiheurwn	ymddiheurwch	ymddiheurent	ymddiheurer
verbal noun	ymddiheuro
verbal adjectives	ymddiheuredig ymddiheuradwy

Conjugation (colloquial)

Inflected colloquial forms	singular			plural
Inflected colloquial forms	first	second	third	first	second	third
future	ymddiheura i, ymddiheuraf i	ymddiheuri di	ymddiheurith o/e/hi, ymddiheuriff e/hi	ymddiheurwn ni	ymddiheurwch chi	ymddiheuran nhw
conditional	ymddiheurwn i, ymddiheurswn i	ymddiheuret ti, ymddiheurset ti	ymddiheurai fo/fe/hi, ymddiheursai fo/fe/hi	ymddiheuren ni, ymddiheursen ni	ymddiheurech chi, ymddiheursech chi	ymddiheuren nhw, ymddiheursen nhw
preterite	ymddiheurais i, ymddiheures i	ymddiheuraist ti, ymddiheurest ti	ymddiheurodd o/e/hi	ymddiheuron ni	ymddiheuroch chi	ymddiheuron nhw
imperative	—	ymddiheura	—	—	ymddiheurwch	—
Note: All other forms are periphrastic, as usual in colloquial Welsh.

Welsh mutation
radical	soft	nasal	h-prothesis
ymddiheuro	unchanged	unchanged	hymddiheuro
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.