| Mae annwyd trwm arna i. | I have a heavy cold. |
| Mae gwres uchel arna i. | I have a high temperature. |
| Mae peswch cas arna i' | I have a nasty cough. |
The preposition 'ar' changes according to the person it is referring to. Learn this pattern:
| Arna i | Mae peswch arna i. | I have a cough. |
| Arnat ti | Mae annwyd arnat ti. | You have a cough. |
| Arno fe | Mae'r ddannodd arno fe. | He has toothache. |
| Arni hi | Mae gwres arni hi. | She has a temperature. |
| Arnon ni | Mae annwyd arnon ni. | We have a cold. |
| Arnoch chi | Mae peswch arnoch chi. | You (pl./formal) have a cough. |
| Arnyn nhw | Mae'r ddannodd arnyn nhw. | They have toothache. |