Past Tense with Gwneud in Welsh

In Brief

For a completed past action, spoken Welsh commonly uses a past form of gwneud (“to do”) as a helper verb, followed by the subject and a verb-noun: Wnes i ddarllen (“I read”). The main verb normally undergoes soft mutation in statements and questions, but after negative ddim it stays in its basic form: Wnes i ddim darllen (“I didn’t read”). Unlike English “did,” this helper is completely ordinary in positive statements too.

Overview

The past tense with gwneud (gorffennol gyda gwneud) is one of the most productive ways to describe a finished event in modern spoken Welsh. It is a periphrastic construction—that simply means that several words work together to express the tense. Instead of adding a past ending to every main verb, Welsh puts gwneud into the past and follows it with a verb-noun, the dictionary form used for an action, such as darllen (“read/reading”), mynd (“go/going”), or coginio (“cook/cooking”).

This is an important A2 pattern because one set of forms lets you talk about the past with a very large number of verbs. Once you know Wnes i... (“I...”), Wnest ti...? (“Did you...?”), and Wnaethon nhw ddim... (“They didn’t...”), you can make useful sentences about yesterday, a journey, a meal, work, or the weekend without learning a new past-tense form for every action.

There is a helpful comparison with English “did”: both languages place a form of “do” before another verb in questions and negatives. However, English normally says “I cooked,” not “I did cook,” unless “did” is emphatic. Welsh Wnes i goginio is neutral: it usually means simply “I cooked.” Do not automatically give it the emphatic force of English “I did cook.”

How It Works

The basic pattern

The helper form comes first, then the subject, then the main action.

Sentence type	Pattern	Example	Meaning
Positive statement	past gwneud + subject + soft-mutated verb-noun	Wnes i ddarllen.	I read.
Yes/no question	past gwneud + subject + soft-mutated verb-noun?	Wnest ti ddarllen?	Did you read?
Negative	past gwneud + subject + ddim + basic verb-noun	Wnes i ddim darllen.	I didn’t read.
Question-word question	question word + past gwneud + subject + soft-mutated verb-noun?	Pryd wnest ti ddarllen?	When did you read?

The subject is the person or thing doing the action. In Wnaeth hi brynu bara, hi (“she”) is the subject. Welsh normally keeps it directly after the helper: helper + subject + main verb.

Past forms of gwneud

Learn these as complete spoken chunks rather than trying to build them one letter at a time.

Person	Welsh form	English sense
I	Wnes i	I did / I ...-ed
you, one familiar person	Wnest ti	you did / you ...-ed
he	Wnaeth e / Wnaeth o	he did / he ...-ed
she	Wnaeth hi	she did / she ...-ed
we	Wnaethon ni	we did / we ...-ed
you, plural or polite	Wnaethoch chi	you did / you ...-ed
they	Wnaethon nhw	they did / they ...-ed

Welsh has normal regional variation. E is common for “he” in southern varieties and o in northern varieties. The rest of your course may also use regional spoken pronunciations or spellings. Keep one consistent model when speaking, but learn to recognise the alternatives.

English uses a separate word order for “You went” and “Did you go?” Welsh can use the same visible order—Wnest ti fynd and Wnest ti fynd?—with intonation and the question mark showing the difference. In real conversation, the speaker’s rising or questioning intonation is important.

Soft mutation after the helper

In a positive statement or question, the main verb-noun normally takes soft mutation, a regular change to its first consonant. This is why the dictionary form mynd appears as fynd in Wnes i fynd.

Basic verb-noun	After the helper	Change	Example
prynu (buy)	brynu	p → b	Wnaeth hi brynu bara.
talu (pay)	dalu	t → d	Wnes i dalu.
coginio (cook)	goginio	c → g	Wnaethon ni goginio.
bwyta (eat)	fwyta	b → f	Wnaethon nhw fwyta.
darllen (read)	ddarllen	d → dd	Wnest ti ddarllen?
gweld (see)	weld	g disappears	Wnaeth hi weld y neges.
mynd (go)	fynd	m → f	Wnes i fynd adref.
llwyddo (succeed)	lwyddo	ll → l	Wnaethoch chi lwyddo.
rhedeg (run)	redeg	rh → r	Wnaeth e redeg.

Welsh f sounds like English v, while Welsh dd sounds like the “th” in “this.” Mutation is part of the grammar, not a spelling decoration. If a verb begins with a vowel or a consonant that does not change under soft mutation, there may be nothing visible to alter: Wnes i aros (“I waited”), Wnaeth hi siarad (“She spoke”).

Negatives with ddim

To make the construction negative, put ddim immediately after the subject. The following verb-noun normally appears in its basic, unmutated form.

Positive	Negative	Meaning of negative
Wnes i fynd.	Wnes i ddim mynd.	I didn’t go.
Wnaeth hi brynu bara.	Wnaeth hi ddim prynu bara.	She didn’t buy bread.
Wnaethon nhw ddod.	Wnaethon nhw ddim dod.	They didn’t come.
Wnest ti weld y ffilm?	Wnest ti ddim gweld y ffilm?	Didn’t you see the film?

Notice that two things happen: ddim is added, and the mutation used in the positive pattern disappears. This gives useful pairs to practise: fynd / ddim mynd, brynu / ddim prynu, weld / ddim gweld.

Questions and short answers

A yes/no question starts with the relevant past form:

• Wnest ti glywed hynny? — Did you hear that?
• Wnaeth hi ffonio? — Did she phone?
• Wnaethoch chi orffen? — Did you finish?

Welsh often answers a verb question by matching its tense rather than using a direct equivalent of English “yes” or “no.” With these past questions, common short answers are Do (“yes”) and Naddo (“no”):

• Wnest ti fwynhau? — Do. — Did you enjoy it? — Yes.
• Wnaethon nhw aros? — Naddo. — Did they stay? — No.

You can also answer with a fuller clause when clarity matters: Do, wnes i fwynhau yn fawr (“Yes, I enjoyed it a lot”).

Question words come before the helper:

Welsh	English
Beth wnest ti brynu?	What did you buy?
Ble wnaethon nhw aros?	Where did they stay?
Pryd wnaeth hi gyrraedd?	When did she arrive?
Pam wnaethoch chi adael?	Why did you leave?
Sut wnaeth e wneud hynny?	How did he do that?

Time expressions and objects

A time expression can usually come later in the sentence: Wnes i weithio ddoe (“I worked yesterday”), Wnaethon ni gyrraedd am saith (“We arrived at seven”). It can also be placed first to set the scene: Ddoe, wnes i weithio gartref (“Yesterday, I worked at home”).

An object is the person or thing affected by an action: in “I read the book,” “the book” is the object. It follows the main verb in this pattern: Wnes i ddarllen y llyfr. Longer sentences still retain the same core order:

Wnaethon ni + brynu + anrheg i Carys + yn y dref ddoe.

We bought a present for Carys in town yesterday.

Examples in Context

Welsh	English	Note
Wnes i goginio swper.	I cooked supper.	Neutral positive statement; coginio → goginio.
Wnest ti weld y ffilm?	Did you see the film?	Gweld loses initial g after the helper.
Wnaethon nhw ddim dod.	They didn’t come.	Ddim is followed by basic dod.
Wnaeth hi brynu coffi ar y ffordd.	She bought coffee on the way.	Prynu → brynu.
Wnaethon ni gyrraedd cyn naw.	We arrived before nine.	A completed event with a time limit.
Wnaethoch chi fwynhau'r cyngerdd?	Did you enjoy the concert?	Polite or plural “you.”
Wnes i ddim deall y cwestiwn.	I didn’t understand the question.	No mutation of deall after ddim.
Ble wnaeth e adael y car?	Where did he leave the car?	The question word comes first.
Pryd wnest ti ddarllen yr e-bost?	When did you read the email?	Darllen → ddarllen.
Wnaethon nhw redeg i'r orsaf.	They ran to the station.	Rhedeg → redeg.
Wnes i aros am hanner awr.	I waited for half an hour.	No visible mutation before a vowel.
Wnaeth hi ddim prynu dim byd.	She didn’t buy anything.	Negative clause with basic prynu.
Ddoe, wnaethon ni ymweld â'r castell.	Yesterday, we visited the castle.	The time expression is fronted.
Wnaeth o wneud y gwaith ei hun.	He did the work himself.	Here gwneud is the main action as well as the source of the helper form.

Common Mistakes

1. Leaving the main verb unmutated in a positive sentence

• Wrong: Wnes i darllen y llyfr.
• Right: Wnes i ddarllen y llyfr.
• Why: The main verb-noun normally takes soft mutation after the helper in positive statements and questions: darllen → ddarllen.

2. Keeping the positive mutation after ddim

• Wrong: Wnes i ddim fynd i'r gwaith.
• Right: Wnes i ddim mynd i'r gwaith.
• Why: In this negative pattern, ddim is normally followed by the basic form. Compare Wnes i fynd with Wnes i ddim mynd.

3. Adding an English-style form of the main verb

• Wrong: Wnest ti went? or a Welsh equivalent built from a past main verb after wnest.
• Right: Wnest ti fynd?
• Why: Wnest already carries the past tense. The main action remains a verb-noun, just as English uses the base form in “Did you go?”, not “Did you went?”

4. Treating every positive sentence as emphatic

• Misleading translation: Wnes i goginio = “I did cook” in every context.
• Usual translation: Wnes i goginio = “I cooked.”
• Why: The Welsh helper construction is an ordinary past-tense choice. English emphatic “did” is only appropriate when the context contains a correction or contrast.

5. Putting the subject before the helper in a basic question

• Wrong: Ti wnest fynd?
• Right: Wnest ti fynd?
• Why: The normal beginner pattern starts with the conjugated helper, followed by the subject and mutated verb-noun.

6. Using this completed-action past for every past meaning

• Wrong for an ongoing background: Wnes i ddarllen pan ddaeth hi i mewn if you mean “I was reading when she came in.”
• Right: Roeddwn i'n darllen pan ddaeth hi i mewn.
• Why: Wnes i ddarllen presents reading as a completed event. Roeddwn i'n darllen presents it as ongoing background: “I was reading.”

Usage Notes

The gwneud past is highly useful in conversation because it works productively with new vocabulary. It is natural for everyday completed actions such as phoning, watching, buying, cooking, and working. It does not mean that Welsh has only one past tense. You will also meet inflected past forms, in which the main verb itself has a past ending, and very common short irregular forms.

In affirmative speech, you may hear a preverbal particle—a small word placed before the verb—especially mi in northern usage and fe in southern usage:

• Mi wnes i fynd.
• Fe wnes i fynd.
• Wnes i fynd.

All can express “I went.” The particle is often absent in neutral everyday sentences, and course conventions differ. The initial w- in wnes, wnest, and wnaeth fits the mutated forms used in these patterns.

Use ti for one person in a familiar relationship. Use chi for more than one person and commonly for polite singular address. This changes the helper: Wnest ti...? but Wnaethoch chi...? Welsh communities differ in how readily they move from formal chi to familiar ti, so follow the usage of the people you are speaking with.

For past states and background descriptions, past bod (“to be”) is often the better tool: Roedd hi'n flinedig (“She was tired”), Roedden nhw yng Nghaerdydd (“They were in Cardiff”), Roeddwn i'n gweithio (“I was working / I used to work”). The boundary is meaning, not a ban on placing bod after gwneud. A bounded experience such as Wnes i fod yng Nghymru am wythnos can present “being in Wales for a week” as a completed whole, while Roeddwn i yng Nghymru simply sets a past scene or state.

Beyond the Basics / Advanced Use

You do not need to master every alternative at A2, but you should recognise that Welsh offers several ways to package a past event.

The gwneud past and the inflected past

Compare these two ways of saying “I read the book”:

• Wnes i ddarllen y llyfr. — periphrastic past with gwneud
• Darllenais i'r llyfr. — inflected past of darllen

Both can describe a completed event. Their frequency and stylistic feel vary with the verb, speaker, region, and setting. The gwneud construction is especially convenient and prominent in speech; inflected forms are important in writing and are also heard in speech, particularly with familiar verbs. Avoid reducing the contrast to “spoken correct form versus written correct form”: real Welsh usage is more flexible than that.

Several common verbs have short past forms worth learning early:

Meaning	Gwneud construction	Common short form
I went	Wnes i fynd.	Es i.
I came	Wnes i ddod.	Des i.
I got / received	Wnes i gael.	Ces i.

The longer versions remain understandable, but the short forms are frequent enough that learners should recognise them.

Completed event versus past background

When telling a story, the gwneud past can move the sequence forward, while roedd...yn... supplies the background:

Roedd hi'n bwrw glaw, felly wnaethon ni aros gartref.

It was raining, so we stayed at home.

Here Roedd hi'n bwrw glaw describes the situation already in progress. Wnaethon ni aros presents the completed response. This event/background contrast is more useful than trying to match every Welsh tense mechanically to one English tense.

Gwneud as helper and as the main verb

Usually another verb-noun gives the action: Wnes i olchi'r llestri (“I washed the dishes”). But gwneud itself also means “do” or “make,” so it can be the main action:

• Wnes i'r gwaith. — I did the work.
• Wnaeth hi gacen. — She made a cake.
• Sut wnaethoch chi wneud hynny? — How did you do that?

In the final example, wnaethoch is the helper and wneud is the mutated main verb-noun. The repetition is grammatical because the two forms have different jobs.

Formal written Welsh may show explicit particles and forms that differ from conversational models. Treat them as register choices to learn gradually, not as evidence that the everyday construction is defective. At this stage, aim first for a consistent spoken pattern, accurate mutation, and a clear distinction between completed events and ongoing past situations.

Practice Tips

1. Build three-way sets. Start with a verb-noun and say a statement, question, and negative: prynu → Wnes i brynu bara → Wnest ti brynu bara? → Wnes i ddim prynu bara. This trains word order and mutation together.
2. Keep a short “yesterday” diary. Write five completed actions using different persons: Wnes i..., Wnaeth hi..., Wnaethon ni.... Then underline each mutated main verb and check its dictionary form.
3. Listen for chunks, not isolated words. Notice wnes i, wnest ti, wnaethon ni, and wnaethoch chi in Welsh audio. Repeat the whole phrase with its pronoun so that the person ending becomes automatic.

Related Concepts

• Prerequisite: Bod – Present Tense — provides essential experience with Welsh verb-first patterns and pronouns.
• Helpful foundation: Soft Mutation — explains changes such as mynd → fynd and darllen → ddarllen.
• Next step: Common Irregular Verbs — introduces frequent alternatives and high-value verb forms that do not always follow the most productive pattern.