Open the brackets and use Present Continuous, Present Simple, Past Simple.
1. Look at these children: they (to skate) very well. 2. You (to skate) last Sunday? — Yes, we (to skate) the whole day last Sunday. We (to skate) again next Sunday. 3. My brother can skate very well. He (to skate) every Sunday. 4. What you (to do) now? — I (to wash) the dishes. 5. What you (to do) at three o'clock yesterday? — I (to have) dinner