Short verbs are more southern, using wnes before the regular form of verbs is more colloquial.
You will find gwneud + verb-noun constructions all over Wales in the colloquial language.
So this one is a form of 'gwneud', right? Are irregular verbs like this still put in the past tense using 'gwneud' as an auxiliary in the north? Are irregular verbs put in the past the same way in both the north and south?
All the irregular verbs have dialect variations, including bod. Parts of west Wales, for example, have some which are very different at first sight.
Only if you live in an area where people use mi. Some people use fe instead. Many people do not use a pre-verbal particle at all.
The use of gwneud to form some tenses of other verbs in the colloquial language is wuite common all over Wales.