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) din¬ner. 6. You (to have) dinner now? 7. Where your brother (to work)? — He (to work) at an institute. 8. Your grandmother (to sleep) when you (to come) home yesterday? 9. What your brother (to do) to¬morrow? 10. I (not to go) to the shop yesterday. I (to go) to the shop tomorrow.