ymarfer

Welsh

From ym- (“self-”) +‎ arfer (“to use, employ”).

ymarfer (first-person singular present ymarferaf)

Conjugation (literary)

	singular			plural			impersonal
	first	second	third	first	second	third	impersonal
present indicative/future	ymarferaf	ymarferi	ymarfer	ymarferwn	ymarferwch	ymarferant	ymarferir
imperfect (indicative/subjunctive)/ conditional	ymarferwn	ymarferit	ymarferai	ymarferem	ymarferech	ymarferent	ymarferid
preterite	ymarferais	ymarferaist	ymarferodd	ymarferasom	ymarferasoch	ymarferasant	ymarferwyd
pluperfect	ymarferaswn	ymarferasit	ymarferasai	ymarferasem	ymarferasech	ymarferasent	ymarferasid, ymarferesid
present subjunctive	ymarferwyf	ymarferych	ymarfero	ymarferom	ymarferoch	ymarferont	ymarferer
imperative	—	ymarfer	ymarfered	ymarferwn	ymarferwch	ymarferent	ymarferer
verbal noun	ymarfer
verbal adjectives	ymarferedig ymarferadwy

Conjugation (colloquial)

Inflected colloquial forms	singular			plural
Inflected colloquial forms	first	second	third	first	second	third
future	ymarfera i, ymarferaf i	ymarferi di	ymarferith o/e/hi, ymarferiff e/hi	ymarferwn ni	ymarferwch chi	ymarferan nhw
conditional	ymarferwn i, ymarferswn i	ymarferet ti, ymarferset ti	ymarferai fo/fe/hi, ymarfersai fo/fe/hi	ymarferen ni, ymarfersen ni	ymarferech chi, ymarfersech chi	ymarferen nhw, ymarfersen nhw
preterite	ymarferais i, ymarferes i	ymarferaist ti, ymarferest ti	ymarferodd o/e/hi	ymarferon ni	ymarferoch chi	ymarferon nhw
imperative	—	ymarfera	—	—	ymarferwch	—
Note: All other forms are periphrastic, as usual in colloquial Welsh.

ymarfer f (plural ymarferion)

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