deddfu

Welsh

From deddf +‎ -u.

deddfu (first-person singular present deddfaf)

Conjugation (literary)

	singular			plural			impersonal
	first	second	third	first	second	third	impersonal
present indicative/future	deddfaf	deddfi	deddfa	deddfwn	deddfwch	deddfant	deddfir
imperfect (indicative/subjunctive)/ conditional	deddfwn	deddfit	deddfai	deddfem	deddfech	deddfent	deddfid
preterite	deddfais	deddfaist	deddfodd	deddfasom	deddfasoch	deddfasant	deddfwyd
pluperfect	deddfaswn	deddfasit	deddfasai	deddfasem	deddfasech	deddfasent	deddfasid, deddfesid
present subjunctive	deddfwyf	deddfych	deddfo	deddfom	deddfoch	deddfont	deddfer
imperative	—	deddfa	deddfed	deddfwn	deddfwch	deddfent	deddfer
verbal noun	deddfu
verbal adjectives	deddfedig deddfadwy

Conjugation (colloquial)

Inflected colloquial forms	singular			plural
Inflected colloquial forms	first	second	third	first	second	third
future	deddfa i, deddfaf i	deddfi di	deddfith o/e/hi, deddfiff e/hi	deddfwn ni	deddfwch chi	deddfan nhw
conditional	deddfwn i, deddfswn i	deddfet ti, deddfset ti	deddfai fo/fe/hi, deddfsai fo/fe/hi	deddfen ni, deddfsen ni	deddfech chi, deddfsech chi	deddfen nhw, deddfsen nhw
preterite	deddfais i, deddfes i	deddfaist ti, deddfest ti	deddfodd o/e/hi	deddfon ni	deddfoch chi	deddfon nhw
imperative	—	deddfa	—	—	deddfwch	—
Note: All other forms are periphrastic, as usual in colloquial Welsh.

Welsh mutation
radical	soft	nasal	aspirate
deddfu	ddeddfu	neddfu	unchanged
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.