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tynhau

to tighten

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

Present

Presennol

PersonForm
I (fi)tynhaf
You sg. (ti)tynhei
He/She (fe/hi)tynha
We (ni)tynhawn
You pl. (chi)tynhewch
They (nhw)tynhânt
Impersonaltynheir

Imperfect

Amherffaith

PersonForm
I (fi)tynhawn
You sg. (ti)tynhait
He/She (fe/hi)tynhâi
We (ni)tynhaem
You pl. (chi)tynhaech
They (nhw)tynhaent
Impersonaltynheid

Preterite

Gorffennol

PersonForm
I (fi)tynheais
You sg. (ti)tynheaist
He/She (fe/hi)hi
We (ni)tynhasom
You pl. (chi)tynhasoch
They (nhw)tynhasant
Impersonaltynhawyd

Pluperfect

Gorberffaith

PersonForm
I (fi)tynhaswn
You sg. (ti)tynhasit
He/She (fe/hi)tynhasai
We (ni)tynhasem
You pl. (chi)tynhasech
They (nhw)tynhasent
Impersonaltynhasid

Future

Dyfodol

PersonForm
I (fi)tynheua i
You sg. (ti)tynheui di
He/She (fe/hi)hi o
We (ni)tynheuwn ni
You pl. (chi)tynheuwch chi
They (nhw)tynheuan nhw

Conditional

Amodol

PersonForm
I (fi)tynhawn
You sg. (ti)tynhait
He/She (fe/hi)hi
We (ni)tynhaem
You pl. (chi)tynhaech
They (nhw)tynhaent
Impersonaltynheid

Imperative

Gorchmynnol

PersonForm
I (fi)-
You sg. (ti)tynha
He/She (fe/hi)tynhaed
We (ni)tynhawn
You pl. (chi)tynhewch
They (nhw)tynhaent
Impersonaltynhaer

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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