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osgiliadu

to oscillate

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

Present

Presennol

PersonForm
I (fi)osgiliadaf
You sg. (ti)osgiliedi
He/She (fe/hi)osgiliada
We (ni)osgiliadwn
You pl. (chi)osgiliedwch
They (nhw)osgiliadant
Impersonalosgiliedir

Imperfect

Amherffaith

PersonForm
I (fi)osgiliadwn
You sg. (ti)osgiliadit
He/She (fe/hi)osgiliadai
We (ni)osgiliadem
You pl. (chi)osgiliadech
They (nhw)osgiliadent
Impersonalosgiliedid

Preterite

Gorffennol

PersonForm
I (fi)osgiliedais
You sg. (ti)osgiliedaist
He/She (fe/hi)hi
We (ni)osgiliadasom
You pl. (chi)osgiliadasoch
They (nhw)osgiliadasant
Impersonalosgiliadwyd

Pluperfect

Gorberffaith

PersonForm
I (fi)osgiliadaswn
You sg. (ti)osgiliadasit
He/She (fe/hi)osgiliadasai
We (ni)osgiliadasem
You pl. (chi)osgiliadasech
They (nhw)osgiliadasent
Impersonalosgiliadasid

Future

Dyfodol

PersonForm
I (fi)osgiliada i
You sg. (ti)osgiliadi di
He/She (fe/hi)hi o
We (ni)osgiliadwn ni
You pl. (chi)osgiliadwch chi
They (nhw)osgiliadan nhw

Conditional

Amodol

PersonForm
I (fi)osgiliadwn
You sg. (ti)osgiliadit
He/She (fe/hi)hi
We (ni)osgiliadem
You pl. (chi)osgiliadech
They (nhw)osgiliadent
Impersonalosgiliedid

Imperative

Gorchmynnol

PersonForm
I (fi)-
You sg. (ti)osgiliada
He/She (fe/hi)osgiliaded
We (ni)osgiliadwn
You pl. (chi)osgiliedwch
They (nhw)osgiliadent
Impersonalosgiliader

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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