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cyfaddasu

to adapt

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

Present

Presennol

PersonForm
I (fi)cyfaddasaf
You sg. (ti)cyfaddesi
He/She (fe/hi)cyfaddasa
We (ni)cyfaddaswn
You pl. (chi)cyfaddeswch
They (nhw)cyfaddasant
Impersonalcyfaddesir

Imperfect

Amherffaith

PersonForm
I (fi)cyfaddaswn
You sg. (ti)cyfaddasit
He/She (fe/hi)cyfaddasai
We (ni)cyfaddasem
You pl. (chi)cyfaddasech
They (nhw)cyfaddasent
Impersonalcyfaddesid

Preterite

Gorffennol

PersonForm
I (fi)cyfaddesais
You sg. (ti)cyfaddesaist
He/She (fe/hi)hi
We (ni)cyfaddasasom
You pl. (chi)cyfaddasasoch
They (nhw)cyfaddasasant
Impersonalcyfaddaswyd

Pluperfect

Gorberffaith

PersonForm
I (fi)cyfaddasaswn
You sg. (ti)cyfaddasasit
He/She (fe/hi)cyfaddasasai
We (ni)cyfaddasasem
You pl. (chi)cyfaddasasech
They (nhw)cyfaddasasent
Impersonalcyfaddasasid

Future

Dyfodol

PersonForm
I (fi)cyfaddasa i
You sg. (ti)cyfaddasi di
He/She (fe/hi)hi o
We (ni)cyfaddaswn ni
You pl. (chi)cyfaddaswch chi
They (nhw)cyfaddasan nhw

Conditional

Amodol

PersonForm
I (fi)cyfaddaswn
You sg. (ti)cyfaddasit
He/She (fe/hi)hi
We (ni)cyfaddasem
You pl. (chi)cyfaddasech
They (nhw)cyfaddasent
Impersonalcyfaddesid

Imperative

Gorchmynnol

PersonForm
I (fi)-
You sg. (ti)cyfaddasa
He/She (fe/hi)cyfaddased
We (ni)cyfaddaswn
You pl. (chi)cyfaddeswch
They (nhw)cyfaddasent
Impersonalcyfaddaser

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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