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gwneud

Irregular

to do

"gwneud" means "to do" in Welsh. Irregular verb. Full conjugation table with present, imperfect, preterite, future, conditional, and imperative tenses.

Present

Presennol

PersonForm
I (fi)gwnaf
You sg. (ti)gwnei
He/She (fe/hi)gwna
We (ni)gwnawn
You pl. (chi)gwnewch
They (nhw)gwnânt
Impersonalgwneir

Imperfect

Amherffaith

PersonForm
I (fi)gwnawn
You sg. (ti)gwnait
He/She (fe/hi)gwnâi
We (ni)gwnaem
You pl. (chi)gwnaech
They (nhw)gwnaent
Impersonalgwneid

Preterite

Gorffennol

PersonForm
I (fi)gwneuthum
You sg. (ti)gwnaethost
He/She (fe/hi)gwnaeth
We (ni)gwnaethom
You pl. (chi)gwnaethoch
They (nhw)gwnaethant
Impersonalgwnaethpwyd

Pluperfect

Gorberffaith

PersonForm
I (fi)gwnaethwn
You sg. (ti)gwnaethit
He/She (fe/hi)gwnaethai
We (ni)gwnaethem
You pl. (chi)gwnaethech
They (nhw)gwnaethent
Impersonalgwnaethid

Future

Dyfodol

PersonForm
I (fi)gwnaf i
You sg. (ti)gwnei di
He/She (fe/hi)gwneith o
We (ni)gwnawn ni
You pl. (chi)gwnewch chi
They (nhw)gwnân nhw

Conditional

Amodol

PersonForm
I (fi)gwnawn
You sg. (ti)gwnait
He/She (fe/hi)gwnâi
We (ni)gwnaem
You pl. (chi)gwnaech
They (nhw)gwnaent
Impersonalgwneid

Imperative

Gorchmynnol

PersonForm
I (fi)-
You sg. (ti)gwna
He/She (fe/hi)gwnaed
We (ni)gwnawn
You pl. (chi)gwnewch
They (nhw)gwnaent
Impersonalgwnaer

Example sentences

Beth mae Tom yn gwneud?

What is Tom doing?

A2

Dywedodd Mari a wnaeth hi feddwl na fyddai Tomos yn gwneud hynny yfory.

Mary said she thought that Tom wouldn't do that tomorrow.

B2

Mae o'n gwneud mor â mynydd o bethau.

He's making a mountain out of a molehill.

A2

Peidiwch â gwneud sŵn.

Don't make noise.

A2

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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Other Welsh verbs

bod

to be

mynd

to go

dod

to come

cael

to get

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