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penderfynu

to decide

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

Present

Presennol

PersonForm
I (fi)penderfynaf
You sg. (ti)penderfyni
He/She (fe/hi)penderfyn
We (ni)penderfynwn
You pl. (chi)penderfynwch
They (nhw)penderfynant
Impersonalpenderfynir

Imperfect

Amherffaith

PersonForm
I (fi)penderfynwn
You sg. (ti)penderfynit
He/She (fe/hi)penderfynai
We (ni)penderfynem
You pl. (chi)penderfynech
They (nhw)penderfynent
Impersonalpenderfynid

Preterite

Gorffennol

PersonForm
I (fi)penderfynais
You sg. (ti)penderfynaist
He/She (fe/hi)penderfynodd
We (ni)penderfynasom
You pl. (chi)penderfynasoch
They (nhw)penderfynasant
Impersonalpenderfynwyd

Pluperfect

Gorberffaith

PersonForm
I (fi)penderfynaswn
You sg. (ti)penderfynasit
He/She (fe/hi)penderfynasai
We (ni)penderfynasem
You pl. (chi)penderfynasech
They (nhw)penderfynasent
Impersonalpenderfynasid

Future

Dyfodol

PersonForm
I (fi)penderfyna i
You sg. (ti)penderfyni di
He/She (fe/hi)hi o
We (ni)penderfynwn ni
You pl. (chi)penderfynwch chi
They (nhw)penderfynant nhw

Conditional

Amodol

PersonForm
I (fi)penderfynwn
You sg. (ti)penderfynit
He/She (fe/hi)penderfynai
We (ni)penderfynem
You pl. (chi)penderfynech
They (nhw)penderfynent
Impersonalpenderfynid

Imperative

Gorchmynnol

PersonForm
I (fi)-
You sg. (ti)penderfyn
He/She (fe/hi)penderfyned
We (ni)penderfynwn
You pl. (chi)penderfynwch
They (nhw)penderfynent
Impersonalpenderfyner

Example sentences

Yr hyn yr hoffwn ei ddeall yn benodol yw pam y mae Llywodraeth Cymru wedi penderfynu gwneud awdurdodau lleol yn rheoleiddiwr, yn hytrach na chadw'r cyfrifoldebau pwysig iawn hyn yn ganolog.

What I'd like to understand specifically is why the Welsh Government has decided to make local authorities the regulator, rather than holding these very important responsibilities centrally.

C1

Cynnig: bod y pwyllgor yn penderfynu gwahardd y cyhoedd o weddill y cyfarfod yn unol â Rheol Sefydlog 17.42(ix).

Motion: that the committee resolves to exclude the public from the remainder of the meeting in accordance with Standing Order 17.42(ix).

B2

Cynnig: bod y pwyllgor yn penderfynu gwahardd y cyhoedd o'r cyfarfod yn unol â Rheol Sefydlog 17.42(vi).

Motion: that the committee resolves to exclude the public from the meeting in accordance with Standing Order 17.42(vi).

B1

Cynnig: bod y pwyllgor yn penderfynu gwahardd y cyhoedd o weddill y cyfarfod yn unol â Rheol Sefydlog 17.42(vi).

Motion: that the committee resolves to exclude the public from the remainder of the meeting in accordance with Standing Order 17.42(vi).

B2

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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