When?
Cén uair, cathain
Why?
Cén fáth?
How much?
Cé mhéad
What?
Cad atá,
What does our child have?
Cad atá ag ár bpáiste?
Where?
Cá bhfuil
Where is he living?
Cá bhuil sé ina chónaí?
What does he eat?
Céard a itheann sé?
What hour?
Cá huair?
How many do you have?
Cá mhéad atá agat?
At what place?
Cá háit?
How (method?)
conas