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tywyllu

to darken

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

Present

Presennol

PersonForm
I (fi)tywyllaf
You sg. (ti)tywylli
He/She (fe/hi)tywyll
We (ni)tywyllwn
You pl. (chi)tywyllwch
They (nhw)tywyllant
Impersonaltywyllir

Imperfect

Amherffaith

PersonForm
I (fi)tywyllwn
You sg. (ti)tywyllit
He/She (fe/hi)tywyllai
We (ni)tywyllem
You pl. (chi)tywyllech
They (nhw)tywyllent
Impersonaltywyllid

Preterite

Gorffennol

PersonForm
I (fi)tywyllais
You sg. (ti)tywyllaist
He/She (fe/hi)tywyllodd
We (ni)tywyllasom
You pl. (chi)tywyllasoch
They (nhw)tywyllasant
Impersonaltywyllwyd

Pluperfect

Gorberffaith

PersonForm
I (fi)tywyllaswn
You sg. (ti)tywyllasit
He/She (fe/hi)tywyllasai
We (ni)tywyllasem
You pl. (chi)tywyllasech
They (nhw)tywyllasent
Impersonaltywyllasid

Future

Dyfodol

PersonForm
I (fi)tywyllaf i
You sg. (ti)tywylli di
He/She (fe/hi)hi o
We (ni)tywyllwn ni
You pl. (chi)tywyllwch chi
They (nhw)tywyllan nhw

Conditional

Amodol

PersonForm
I (fi)tywyllwn
You sg. (ti)tywyllit
He/She (fe/hi)hi
We (ni)tywyllem
You pl. (chi)tywyllech
They (nhw)tywyllent
Impersonaltywyllid

Imperative

Gorchmynnol

PersonForm
I (fi)-
You sg. (ti)tywyll
He/She (fe/hi)tywylled
We (ni)tywyllwn
You pl. (chi)tywyllwch
They (nhw)tywyllent
Impersonaltywyller

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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uno

to join

duo

to become black

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dal

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trio

to try

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