From gyr (“drive, thrust; flock, drove”) + -u.
gyrru (first-person singular present gyrraf)
| singular | plural | impersonal | ||||||
|---|---|---|---|---|---|---|---|---|
| first | second | third | first | second | third | |||
| present indicative/future | gyrraf | gyrri | gyr | gyrrwn | gyrrwch | gyrrant | gyrrir | |
| imperfect (indicative/subjunctive)/ conditional |
gyrrwn | gyrrit | gyrrai | gyrrem | gyrrech | gyrrent | gyrrid | |
| preterite | gyrrais | gyrraist | gyrrodd | gyrasom | gyrasoch | gyrasant | gyrrwyd | |
| pluperfect | gyraswn | gyrasit | gyrasai | gyrasem | gyrasech | gyrasent | gyrasid, gyresid | |
| present subjunctive | gyrrwyf | gyrrych | gyrro | gyrrom | gyrroch | gyrront | gyrrer | |
| imperative | — | gyr, gyrra | gyrred | gyrrwn | gyrrwch | gyrrent | gyrrer | |
| verbal noun | gyrru | |||||||
| verbal adjectives | gyredig gyradwy | |||||||
| Inflected colloquial forms | singular | plural | ||||
|---|---|---|---|---|---|---|
| first | second | third | first | second | third | |
| future | gyrra i, gyrraf i | gyrri di | gyrrith o/e/hi, gyrriff e/hi | gyrrwn ni | gyrrwch chi | gyrran nhw |
| conditional | gyrrwn i, gyrswn i | gyrret ti, gyrset ti | gyrrai fo/fe/hi, gyrsai fo/fe/hi | gyrren ni, gyrsen ni | gyrrech chi, gyrsech chi | gyrren nhw, gyrsen nhw |
| preterite | gyrrais i, gyrres i | gyrraist ti, gyrrest ti | gyrrodd o/e/hi | gyrron ni | gyrroch chi | gyrron nhw |
| imperative | — | gyrra | — | — | gyrrwch | — |
| Note: All other forms are periphrastic, as usual in colloquial Welsh. | ||||||
| radical | soft | nasal | aspirate |
|---|---|---|---|
| gyrru | yrru | ngyrru | unchanged |
Note: Certain mutated forms of some words can never occur in standard Welsh.
All possible mutated forms are displayed for convenience.
R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke et al., editors (1950–present), “gyrru”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies