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seboneiddio

to saponify

"seboneiddio" means "to saponify" in Welsh. Full conjugation table with present, imperfect, preterite, future, conditional, and imperative tenses.

Present

Presennol

PersonForm
I (fi)seboneiddiaf
You sg. (ti)seboneiddi
He/She (fe/hi)seboneiddia
We (ni)seboneiddiwn
You pl. (chi)seboneiddiwch
They (nhw)seboneiddiant
Impersonalseboneiddir

Imperfect

Amherffaith

PersonForm
I (fi)seboneiddiwn
You sg. (ti)seboneiddit
He/She (fe/hi)seboneiddiai
We (ni)seboneiddiem
You pl. (chi)seboneiddiech
They (nhw)seboneiddient
Impersonalseboneiddid

Preterite

Gorffennol

PersonForm
I (fi)seboneiddiais
You sg. (ti)seboneiddiaist
He/She (fe/hi)hi
We (ni)seboneiddiasom
You pl. (chi)seboneiddiasoch
They (nhw)seboneiddiasant
Impersonalseboneiddiwyd

Pluperfect

Gorberffaith

PersonForm
I (fi)seboneiddiaswn
You sg. (ti)seboneiddiasit
He/She (fe/hi)seboneiddiasai
We (ni)seboneiddiasem
You pl. (chi)seboneiddiasech
They (nhw)seboneiddiasent
Impersonalseboneiddiasid

Future

Dyfodol

PersonForm
I (fi)seboneiddia i
You sg. (ti)seboneiddi di
He/She (fe/hi)hi o
We (ni)seboneiddiwn ni
You pl. (chi)seboneiddiwch chi
They (nhw)seboneiddian nhw

Conditional

Amodol

PersonForm
I (fi)seboneiddiwn
You sg. (ti)seboneiddit
He/She (fe/hi)hi
We (ni)seboneiddiem
You pl. (chi)seboneiddiech
They (nhw)seboneiddient
Impersonalseboneiddid

Imperative

Gorchmynnol

PersonForm
I (fi)-
You sg. (ti)seboneiddia
He/She (fe/hi)seboneiddied
We (ni)seboneiddiwn
You pl. (chi)seboneiddiwch
They (nhw)seboneiddient
Impersonalseboneiddier

Further reading

Welsh Verb Conjugation — All Tenses, Full Tables, Clear Patterns →The Welsh Verb Bod (To Be) — Every Form, Every Tense →Welsh Pronunciation — It's Actually Easier Than English →Best Apps to Learn Welsh (2026) →Browse all Welsh verb conjugations →

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