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peri

to cause

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

Present

Presennol

PersonForm
I (fi)paraf
You sg. (ti)peri
He/She (fe/hi)pair
We (ni)parwn
You pl. (chi)perwch
They (nhw)parant
Impersonalperir

Imperfect

Amherffaith

PersonForm
I (fi)parwn
You sg. (ti)parit
He/She (fe/hi)parai
We (ni)parem
You pl. (chi)parech
They (nhw)parent
Impersonalperid

Preterite

Gorffennol

PersonForm
I (fi)perais
You sg. (ti)peraist
He/She (fe/hi)parodd
We (ni)parasom
You pl. (chi)parasoch
They (nhw)parasant
Impersonalparwyd

Pluperfect

Gorberffaith

PersonForm
I (fi)paraswn
You sg. (ti)parasit
He/She (fe/hi)parasai
We (ni)parasem
You pl. (chi)parasech
They (nhw)parasent
Impersonalparasid

Future

Dyfodol

PersonForm
I (fi)para i
You sg. (ti)peri di
He/She (fe/hi)hi o
We (ni)parwn ni
You pl. (chi)parwch chi
They (nhw)paran nhw

Conditional

Amodol

PersonForm
I (fi)parwn
You sg. (ti)parit
He/She (fe/hi)hi
We (ni)parem
You pl. (chi)parech
They (nhw)parent
Impersonalperid

Imperative

Gorchmynnol

PersonForm
I (fi)-
You sg. (ti)pâr
He/She (fe/hi)pared
We (ni)parwn
You pl. (chi)perwch
They (nhw)parent
Impersonalparer

Example sentences

Mae'n peri pryder i mi, y twf mewn trais a bygythiadau tuag at ein cynrychiolwyr etholedig, ac mae hyn yn ddi-os yn atal llawer o bobl rhag sefyll.

It worries me, the growth in violence and intimidation that is levelled at our elected representatives, and this no doubt puts off a lot of people from standing.

C1

Mae'r arferion hyn nid yn unig yn peryglu iechyd a lles anifeiliaid, ond hefyd yn peri risgiau i iechyd y cyhoedd a bioddiogelwch.

These practices not only compromise animal health and welfare, but also pose risks to public health and biosecurity.

B2

Ceisir sawl pŵer yn y Bil sy'n peri pryder i'r pwyllgor yn hyn o beth, sef y pwerau yn adrannau 15, 21 a 30.

There are several powers sought in the Bill that cause the committee concern in this regard, namely the powers in sections 15, 21 and 30.

C1

Felly, mae hynny'n peri cryn bryder.

So, that's really quite concerning.

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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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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