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adeiladu

to erect

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

Present

Presennol

PersonForm
I (fi)adeiladaf
You sg. (ti)adeiledi
He/She (fe/hi)adeilada
We (ni)adeiladwn
You pl. (chi)adeiledwch
They (nhw)adeiladont
Impersonaladeiledir

Imperfect

Amherffaith

PersonForm
I (fi)adeiladwn
You sg. (ti)adeiladit
He/She (fe/hi)adeiladai
We (ni)adeiladem
You pl. (chi)adeiladech
They (nhw)adeiladent
Impersonaladeiledid

Preterite

Gorffennol

PersonForm
I (fi)adeiledais
You sg. (ti)adeiledaist
He/She (fe/hi)adeiladodd
We (ni)adeiladasom
You pl. (chi)adeiladasoch
They (nhw)adeiladasant
Impersonaladeiladwyd

Pluperfect

Gorberffaith

PersonForm
I (fi)adeiladaswn
You sg. (ti)adeiladasit
He/She (fe/hi)adeiladasai
We (ni)adeiladasem
You pl. (chi)adeiladasech
They (nhw)adeiladasent
Impersonaladeiladasid

Future

Dyfodol

PersonForm
I (fi)adeilada i
You sg. (ti)adeiladi di
He/She (fe/hi)hi o
We (ni)adeiladwn ni
You pl. (chi)adeiladwch chi
They (nhw)adeiladan nhw

Conditional

Amodol

PersonForm
I (fi)adeiladwn
You sg. (ti)adeiladit
He/She (fe/hi)hi
We (ni)adeiladem
You pl. (chi)adeiladech
They (nhw)adeiladent
Impersonaladeiledid

Imperative

Gorchmynnol

PersonForm
I (fi)-
You sg. (ti)adeilada
He/She (fe/hi)adeiladed
We (ni)adeiladwn
You pl. (chi)adeiledwch
They (nhw)adeiladent
Impersonaladeilader

Example sentences

A wnaiff yr Ysgrifennydd Cabinet roi'r wybodaeth ddiweddaraf ar raglen adeiladu tai y Llywodraeth ar gyfer tymor y Senedd hon?

Will the Cabinet Secretary provide an update on the Government’s house building programme for this Senedd term?

C1

Rwyf hefyd wedi cyhoeddi £57 miliwn ychwanegol i ymestyn cynllun adeiladu newydd Cymorth i Brynu—Cymru am 18 mis arall.

I have also announced an additional £57 million to extend the Help to Buy—Wales new-build scheme for a further 18 months.

C1

Rwy'n falch iawn o weld hynny, oherwydd y tu hwnt i hynny, gwyddom fod angen inni barhau i adeiladu mwy o gartrefi, gwyddom fod angen inni ddarparu mwy o gartrefi, a dyna pam fod hynny mor bwysig.

I'm really pleased to see that, because, beyond that, we know we need to keep building more homes, we know we need to be delivering more homes, and that's why that is so important.

C1

Mae hyn yn galw am ddull system gyfan, gan adeiladu ar syniadau presennol wrth fynd ati i ddatblygu dulliau gweithredu newydd.

This does require a whole-system approach, building on existing ideas while developing those new approaches.

C1

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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uno

to join

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to become black

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dal

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trio

to try

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