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nwyeiddio

to gasify

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

Present

Presennol

PersonForm
I (fi)nwyeiddiaf
You sg. (ti)nwyeiddi
He/She (fe/hi)nwyeiddio
We (ni)nwyeiddiwn
You pl. (chi)nwyeiddiwch
They (nhw)nwyeiddiant
Impersonalnwyeiddir

Imperfect

Amherffaith

PersonForm
I (fi)nwyeiddiwn
You sg. (ti)nwyeiddit
He/She (fe/hi)nwyeiddiai
We (ni)nwyeiddiem
You pl. (chi)nwyeiddiech
They (nhw)nwyeiddient
Impersonalnwyeiddid

Preterite

Gorffennol

PersonForm
I (fi)nwyeiddiais
You sg. (ti)nwyeiddiaist
He/She (fe/hi)hi
We (ni)nwyeiddiasom
You pl. (chi)nwyeiddiasoch
They (nhw)nwyeiddiasant
Impersonalnwyeiddiwyd

Pluperfect

Gorberffaith

PersonForm
I (fi)nwyeiddiaswn
You sg. (ti)nwyeiddiasit
He/She (fe/hi)nwyeiddiasai
We (ni)nwyeiddiasem
You pl. (chi)nwyeiddiasech
They (nhw)nwyeiddiasent
Impersonalnwyeiddiasid

Future

Dyfodol

PersonForm
I (fi)nwyeiddia i
You sg. (ti)nwyeiddi di
He/She (fe/hi)hi o
We (ni)nwyeiddiwn ni
You pl. (chi)nwyeiddiwch chi
They (nhw)nwyeiddian nhw

Conditional

Amodol

PersonForm
I (fi)nwyeiddiwn
You sg. (ti)nwyeiddit
He/She (fe/hi)hi
We (ni)nwyeiddiem
You pl. (chi)nwyeiddiech
They (nhw)nwyeiddient
Impersonalnwyeiddid

Imperative

Gorchmynnol

PersonForm
I (fi)-
You sg. (ti)nwyeiddia
He/She (fe/hi)nwyeiddied
We (ni)nwyeiddiwn
You pl. (chi)nwyeiddiwch
They (nhw)nwyeiddient
Impersonalnwyeiddier

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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