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cydweithredu

to cooperate

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

Present

Presennol

PersonForm
I (fi)cydweithredaf
You sg. (ti)cydweithredi
He/She (fe/hi)cydweithreda
We (ni)cydweithredwn
You pl. (chi)cydweithredwch
They (nhw)cydweithredant
Impersonalcydweithredir

Imperfect

Amherffaith

PersonForm
I (fi)cydweithredwn
You sg. (ti)cydweithredit
He/She (fe/hi)cydweithredai
We (ni)cydweithredem
You pl. (chi)cydweithredech
They (nhw)cydweithredent
Impersonalcydweithredid

Preterite

Gorffennol

PersonForm
I (fi)cydweithredais
You sg. (ti)cydweithredaist
He/She (fe/hi)cydweithredodd
We (ni)cydweithredasom
You pl. (chi)cydweithredasoch
They (nhw)cydweithredasant
Impersonalcydweithredwyd

Pluperfect

Gorberffaith

PersonForm
I (fi)cydweithredaswn
You sg. (ti)cydweithredasit
He/She (fe/hi)cydweithredasai
We (ni)cydweithredasem
You pl. (chi)cydweithredasech
They (nhw)cydweithredasent
Impersonalcydweithredasid

Future

Dyfodol

PersonForm
I (fi)cydweithreda i
You sg. (ti)cydweithredi di
He/She (fe/hi)hi o
We (ni)cydweithredwn ni
You pl. (chi)cydweithredwch chi
They (nhw)cydweithredan nhw

Conditional

Amodol

PersonForm
I (fi)cydweithredwn
You sg. (ti)cydweithredit
He/She (fe/hi)hi
We (ni)cydweithredem
You pl. (chi)cydweithredech
They (nhw)cydweithredent
Impersonalcydweithredid

Imperative

Gorchmynnol

PersonForm
I (fi)-
You sg. (ti)cydweithreda
He/She (fe/hi)cydweithreded
We (ni)cydweithredwn
You pl. (chi)cydweithredwch
They (nhw)cydweithredent
Impersonalcydweithreder

Example sentences

Yn gyntaf oll, mae'r cynllun ffermio cynaliadwy yn gynnyrch cydweithredu digynsail.

First of all, the sustainable farming scheme is a product of quite unprecedented collaboration.

C1

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 →

Practise "cydweithredu" with spaced repetition

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Other Welsh verbs

euro

to gild

uno

to join

duo

to become black

mela

to gather nectar to make honey

dal

to catch

trio

to try

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