| C� ? | who ? |
| C� eile ? | who else ? |
| C� h� seo / sin ? | who is this / that ? |
| C� at� ann ? | who is there ? |
| C� at� ag caint ? | who is speaking ? |
| C� a rinne � seo ? | who did this ? |
| C� leis � seo ? | who owns this ? |
| C� aige a bhfuil ....? | who has the....? |
| C� mh�ad ? | how many / how much ? |
| C� mh�ad at� air ? | how much is it ? |
| . | . |
| Cad chuige ? | what for ? |
| Cad ina thaobh ? | what about it ? |
| Cad as duit ? | where are you from ? |
| . | . |
| C�ard at� ort ? | what's wrong with you ? |
| C�ard a bhfuair t� ? | what did you get ? |
| . | . |
| C�n �it ? | where ? |
| C�n f�th ? | why ? |
| C�n chaoi ? | how ? |
| C�n duine ? | who ? |
| C�n t-am � ? | what time is it ? |
| C�n aois t� ? | what age are you ? |
| C�n dath � sin ? | what colour is that ? |
| C�n l� den t-seachtain at� ann ? | what day of the week is it ? |
| . | . |
| C� bhfuil s� ? | where is he? |
| C� bhfuilimid anois ? | where are we now ? |
| C�r bhfuair t� � ? | where did you get it? |
| C�r fh�g t� � ? | where did you leave it ? |
| C�r chuir t� � ? | where did you put it ? |