Usually
De gnáth
From time to time
Ó am go chéile / Ó am go ham
On the weekend
Ag an deireadh seachtaine
Twice a week
Dhá uair sa tseachtaine
Twice a day
Dhá uair in agaidh
Sometimes
Uaireanta
Every fortnight
Gach coícís
Frequently
go minic
Now
Anois
At the moment
I láthair na huaire
Next month
an mhí seo chugainn
For one hour
ar feadh uair an chloig
Yesterday
Inné
Tommorow
Amárach
For one and a half hours
ar feadh uair go leith