- 'di (colloquial)
- past (time)
- chwarter wedi naw ― quarter past nine
- hanner awr ’di un ― half (an hour) past one
- after, used to form the perfect aspect
- Dw i wedi cysgu.
- I have slept (lit. "I am after sleeping").
- Dw i ddim wedi dysgu.
- I have not learnt (lit. "I am not after learning).
- Wyt ti wedi aros?
- Have you stayed? (lit. "Are you after staying?").
- Bydd o ’di gyrru.
- He will have driven (lit. "He will be after driving").
- Fydd o ddim ’di clywed
- He will not have heard (lit. "He will not be after hearing").
- Roedd hi ’di gweld
- She had seen (lit. "She was after seeing").
- Maen nhw wedi gorffen
- They have finished (lit. "They are after finishing").
- used to translate English passive participles and past tenses, depending on the verb
- Dw i wedi blino
- I am tired / I have tired (lit. "I am after tiring").
- Mae e wedi marw
- He is dead / he has died (lit. "He is after dying").