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troseddu

to commit a crime

"troseddu" means "to commit a crime" in Welsh. Full conjugation table with present, imperfect, preterite, future, conditional, and imperative tenses.

Present

Presennol

PersonForm
I (fi)troseddaf
You sg. (ti)troseddi
He/She (fe/hi)trosedda
We (ni)troseddwn
You pl. (chi)troseddwch
They (nhw)troseddant
Impersonaltroseddir

Imperfect

Amherffaith

PersonForm
I (fi)troseddwn
You sg. (ti)troseddit
He/She (fe/hi)troseddai
We (ni)troseddem
You pl. (chi)troseddech
They (nhw)troseddent
Impersonaltroseddid

Preterite

Gorffennol

PersonForm
I (fi)troseddais
You sg. (ti)troseddaist
He/She (fe/hi)troseddodd
We (ni)troseddasom
You pl. (chi)troseddasoch
They (nhw)troseddasant
Impersonaltroseddwyd

Pluperfect

Gorberffaith

PersonForm
I (fi)troseddaswn
You sg. (ti)troseddasit
He/She (fe/hi)troseddasai
We (ni)troseddasem
You pl. (chi)troseddasech
They (nhw)troseddasent
Impersonaltroseddasid

Conditional

Amodol

PersonForm
I (fi)troseddwn
You sg. (ti)troseddit
He/She (fe/hi)troseddai
We (ni)troseddem
You pl. (chi)troseddech
They (nhw)troseddent
Impersonaltroseddid

Imperative

Gorchmynnol

PersonForm
I (fi)-
You sg. (ti)trosedda
He/She (fe/hi)trosedded
We (ni)troseddwn
You pl. (chi)troseddwch
They (nhw)troseddent
Impersonaltrosedder

Example sentences

Mae'r ddadl cydsyniad deddfwriaethol ar y Bil Troseddu a Phlismona wedi ei gohirio tan 10 Mawrth.

The legislative consent debate on the Crime and Policing Bill has been postponed until 10 March.

C2

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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