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teirannu

to trisect

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

Present

Presennol

PersonForm
I (fi)teirannaf
You sg. (ti)teirenni
He/She (fe/hi)teiranna
We (ni)teirannwn
You pl. (chi)teirennwch
They (nhw)teirannant
Impersonalteirennir

Imperfect

Amherffaith

PersonForm
I (fi)teirannwn
You sg. (ti)teirannit
He/She (fe/hi)teirannai
We (ni)teirannem
You pl. (chi)teirannech
They (nhw)teirannent
Impersonalteirennid

Preterite

Gorffennol

PersonForm
I (fi)teirennais
You sg. (ti)teirennaist
He/She (fe/hi)hi
We (ni)teiranasom
You pl. (chi)teiranasoch
They (nhw)teiranasant
Impersonalteirannwyd

Pluperfect

Gorberffaith

PersonForm
I (fi)teiranaswn
You sg. (ti)teiranasit
He/She (fe/hi)teiranasai
We (ni)teiranasem
You pl. (chi)teiranasech
They (nhw)teiranasent
Impersonalteiranasid

Future

Dyfodol

PersonForm
I (fi)teiranna i
You sg. (ti)teiranni di
He/She (fe/hi)hi o
We (ni)teirannwn ni
You pl. (chi)teirannwch chi
They (nhw)teirannan nhw

Conditional

Amodol

PersonForm
I (fi)teirannwn
You sg. (ti)teirannit
He/She (fe/hi)hi
We (ni)teirannem
You pl. (chi)teirannech
They (nhw)teirannent
Impersonalteirennid

Imperative

Gorchmynnol

PersonForm
I (fi)-
You sg. (ti)teiranna
He/She (fe/hi)teiranned
We (ni)teirannwn
You pl. (chi)teirennwch
They (nhw)teirannent
Impersonalteiranner

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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