| Wnes i ddim darllen llyfr. | I didn't read a book. |
| Wnes i ddim darllen y llyfr. | I didn't read the book. |
| Wnes i ddim bwyta cinio. | I didn't eat lunch. |
| Wnes i ddim bwyta'r cinio. | I didn't eat the lunch
|
| Chwaraea i mo'r gêm. | I won't play a game. |
| Chwaraea i ddim o'r gêm. | I won't play the game. |
| Chana i mo'r gân. | I won't sing a song. |
| Chana i ddim o'r gân. | I won't sing the song. |
Edrychwch:
|
| Gwelodd hi'r ffilm. | | Mi wnaeth hi weld y ffilm. |
| Welodd hi mo'r ffilm. | | Wnaeth hi ddim gweld y ffilm. |
| Canon ni'r gân. | | Mi wnaethon ni ganu'r gân. |
| Chanon ni mo'r gân. | | Wnaethon ni ddim canu'r gân. |