Past Tense with Gwneud in Welsh

Overview

The periphrastic past tense using "gwneud" (to do/make) as an auxiliary is the standard way to express completed past actions in spoken Welsh at the A2 level. This construction — "Wnes i + verb-noun" — is equivalent to the English simple past: "I cooked," "I read," "I went."

This is the most important past tense construction for everyday communication. While Welsh has inflected (short-form) past tenses for individual verbs, the "gwneud" construction is universal and can be used with any verb-noun, making it the most practical form to learn first.

How It Works

Conjugation of Gwneud (Past Tense)

Person	Affirmative	Negative	Question
I	Wnes i	Wnes i ddim	Wnes i...?
You (sg)	Wnest ti	Wnest ti ddim	Wnest ti...?
He	Wnaeth e/o	Wnaeth e ddim	Wnaeth e...?
She	Wnaeth hi	Wnaeth hi ddim	Wnaeth hi...?
We	Wnaethon ni	Wnaethon ni ddim	Wnaethon ni...?
You (pl)	Wnaethoch chi	Wnaethoch chi ddim	Wnaethoch chi...?
They	Wnaethon nhw	Wnaethon nhw ddim	Wnaethon nhw...?

Key Rule: Soft Mutation of the Verb-Noun

The verb-noun always undergoes soft mutation after "gwneud":

Base	Mutated	Example
coginio	goginio	Wnes i goginio.
darllen	ddarllen	Wnest ti ddarllen?
mynd	fynd	Wnaeth e fynd.
gweld	weld	Wnaethon ni weld.

Examples in Context

Welsh	English	Note
Wnes i goginio swper.	I cooked supper.	Soft mutation: c → g
Wnest ti weld y ffilm?	Did you see the film?	Question
Wnaethon nhw ddim dod.	They didn't come.	Negative
Wnaeth hi brynu llyfr.	She bought a book.	Soft mutation: p → b
Wnaethoch chi fwynhau?	Did you enjoy?	Formal question
Wnes i ddim deall.	I didn't understand.	Negative
Wnaeth e fynd i'r siop.	He went to the shop.	Completed action
Wnaethon ni gerdded adre.	We walked home.	Soft mutation: c → g
Wnest ti ddarllen y llyfr?	Did you read the book?	Question
Wnes i gwrdd â ffrind.	I met a friend.	gwrdd does not mutate (gw-)

Common Mistakes

Forgetting soft mutation of the verb-noun

• Wrong: Wnes i coginio.
• Right: Wnes i goginio.
• Why: The verb-noun always undergoes soft mutation after forms of "gwneud."

Using "gwneud" with "bod"

• Wrong: Wnes i fod yn hapus. (to say "I was happy")
• Right: Roeddwn i'n hapus. (imperfect of bod)
• Why: "Bod" has its own past tense forms. You do not use "gwneud" with "bod."

Confusing "wnes i" with "roeddwn i"

• Wrong: Wnes i'n hapus. (trying to say "I was happy")
• Right: Roeddwn i'n hapus. (state) vs Wnes i fynd. (action)
• Why: "Gwneud" is for completed actions. "Bod" imperfect is for past states and ongoing situations.

Usage Notes

In colloquial Welsh, shortened forms are common: "'Nes i" for "Wnes i," "'Nath e" for "Wnaeth e." These are widely used and understood throughout Wales.

The "gwneud" past tense is the default for most spoken situations. While some common verbs have their own short forms (es i = I went, des i = I came), the "gwneud" construction works universally and is always understood.

Practice Tips

1. Narrate your day: Each evening, recount what you did using "Wnes i...": "Wnes i godi am saith. Wnes i fwyta brecwast."

2. Practice the question form: Ask a partner "Wnest ti + verb-noun?" questions and answer them.

3. Focus on mutation patterns: Make a list of 15 verb-nouns and their soft-mutated forms. This is the key skill for this construction.

Related Concepts

• Bod - Present Tense
• Common Irregular Verbs