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tyfu

to grow

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

Present

Presennol

PersonForm
I (fi)tyfaf
You sg. (ti)tyfi
He/She (fe/hi)tyf
We (ni)tyfwn
You pl. (chi)tyfwch
They (nhw)tyfant
Impersonaltyfir

Imperfect

Amherffaith

PersonForm
I (fi)tyfwn
You sg. (ti)tyfit
He/She (fe/hi)tyfai
We (ni)tyfem
You pl. (chi)tyfech
They (nhw)tyfent
Impersonaltyfid

Preterite

Gorffennol

PersonForm
I (fi)tyfais
You sg. (ti)tyfaist
He/She (fe/hi)tyfodd
We (ni)tyfasom
You pl. (chi)tyfasoch
They (nhw)tyfasant
Impersonaltyfwyd

Pluperfect

Gorberffaith

PersonForm
I (fi)tyfaswn
You sg. (ti)tyfasit
He/She (fe/hi)tyfasai
We (ni)tyfasem
You pl. (chi)tyfasech
They (nhw)tyfasent
Impersonaltyfasid

Future

Dyfodol

PersonForm
I (fi)tyfa i
You sg. (ti)tyfi di
He/She (fe/hi)hi o
We (ni)tyfwn ni
You pl. (chi)tyfwch chi
They (nhw)tyfan nhw

Conditional

Amodol

PersonForm
I (fi)tyfwn
You sg. (ti)tyfit
He/She (fe/hi)hi
We (ni)tyfem
You pl. (chi)tyfech
They (nhw)tyfent
Impersonaltyfid

Imperative

Gorchmynnol

PersonForm
I (fi)-
You sg. (ti)tyf
He/She (fe/hi)tyfed
We (ni)tyfwn
You pl. (chi)tyfwch
They (nhw)tyfent
Impersonaltyfer

Example sentences

Mae Tom wedi bod yn tyfu barf trwy'r haf.

Tom has been growing a beard all summer.

B2

Mae ffermwyr yn dda am drefnu gweithgarwch cymunedol a ralïau, am eu bod wedi tyfu i fyny trwy'r ffermwyr ifanc, a bod ganddynt gynrychiolaeth undebol gref, ac yn rhannu gwybodaeth ac offer.

Farmers are good at organising community action and rallies, with growing up through young farmers, having strong union representation, sharing information and equipment.

C1

O fusnesau teuluol gwely a brecwast hyd at yr atyniadau o'r radd flaenaf sydd i'w cael yno, mae busnesau lleol yn tyfu mewn modd cynaliadwy ac yn creu swyddi, sy'n helpu cymunedau ledled y rhanbarth.

From family-run bed-and-breakfasts to the world-class attractions that it hosts, local businesses are growing sustainably and creating jobs, helping communities right across the region.

C1

O ran tyfu'r rhwydwaith bysiau, mae'r Ysgrifennydd Cabinet wedi cyfeirio at ddau gynllun rhwydwaith masnachfraint sy'n cael eu datblygu gan Trafnidiaeth Cymru.

In terms of growing the bus network, the Cabinet Secretary has referred to two franchised network plans being developed by Transport for Wales.

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 →

Practise "tyfu" with spaced repetition

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Other Welsh verbs

euro

to gild

uno

to join

duo

to become black

mela

to gather nectar to make honey

dal

to catch

trio

to try

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