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achlysuro

to cause

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

Present

Presennol

PersonForm
I (fi)achlysuraf
You sg. (ti)achlysuri
He/She (fe/hi)achlysur
We (ni)achlysurwn
You pl. (chi)achlysurwch
They (nhw)achlysurant
Impersonalachlysurir

Imperfect

Amherffaith

PersonForm
I (fi)achlysurwn
You sg. (ti)achlysurit
He/She (fe/hi)achlysurai
We (ni)achlysurem
You pl. (chi)achlysurech
They (nhw)achlysurent
Impersonalachlysurid

Preterite

Gorffennol

PersonForm
I (fi)achlysurais
You sg. (ti)achlysuraist
He/She (fe/hi)hi
We (ni)achlysurasom
You pl. (chi)achlysurasoch
They (nhw)achlysurasant
Impersonalachlysurwyd

Pluperfect

Gorberffaith

PersonForm
I (fi)achlysuraswn
You sg. (ti)achlysurasit
He/She (fe/hi)achlysurasai
We (ni)achlysurasem
You pl. (chi)achlysurasech
They (nhw)achlysurasent
Impersonalachlysurasid

Future

Dyfodol

PersonForm
I (fi)achlysura i
You sg. (ti)achlysuri di
He/She (fe/hi)hi o
We (ni)achlysurwn ni
You pl. (chi)achlysurwch chi
They (nhw)achlysuran nhw

Conditional

Amodol

PersonForm
I (fi)achlysurwn
You sg. (ti)achlysurit
He/She (fe/hi)hi
We (ni)achlysurem
You pl. (chi)achlysurech
They (nhw)achlysurent
Impersonalachlysurid

Imperative

Gorchmynnol

PersonForm
I (fi)-
You sg. (ti)achlysur
He/She (fe/hi)achlysured
We (ni)achlysurwn
You pl. (chi)achlysurwch
They (nhw)achlysurent
Impersonalachlysurer

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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