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heintio

to infect

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

Present

Presennol

PersonForm
I (fi)heintiaf
You sg. (ti)heinti
He/She (fe/hi)heintio
We (ni)heintiwn
You pl. (chi)heintiwch
They (nhw)heintiant
Impersonalheintir

Imperfect

Amherffaith

PersonForm
I (fi)heintiwn
You sg. (ti)heintit
He/She (fe/hi)heintiai
We (ni)heintiem
You pl. (chi)heintiech
They (nhw)heintient
Impersonalheintid

Preterite

Gorffennol

PersonForm
I (fi)heintiais
You sg. (ti)heintiaist
He/She (fe/hi)hi
We (ni)heintiasom
You pl. (chi)heintiasoch
They (nhw)heintiasant
Impersonalheintiwyd

Pluperfect

Gorberffaith

PersonForm
I (fi)heintiaswn
You sg. (ti)heintiasit
He/She (fe/hi)heintiasai
We (ni)heintiasem
You pl. (chi)heintiasech
They (nhw)heintiasent
Impersonalheintiasid

Future

Dyfodol

PersonForm
I (fi)heintia i
You sg. (ti)heinti di
He/She (fe/hi)hi o
We (ni)heintiwn ni
You pl. (chi)heintiwch chi
They (nhw)heintian nhw

Conditional

Amodol

PersonForm
I (fi)heintiwn
You sg. (ti)heintit
He/She (fe/hi)hi
We (ni)heintiem
You pl. (chi)heintiech
They (nhw)heintient
Impersonalheintid

Imperative

Gorchmynnol

PersonForm
I (fi)-
You sg. (ti)heintia
He/She (fe/hi)heintied
We (ni)heintiwn
You pl. (chi)heintiwch
They (nhw)heintient
Impersonalheintier

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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