ПОМОГИТЕ!!! ОЧЕНЬ СРОЧНО

Упр. 201. Раскройте скобки, употребляя гла¬голы в одном из следующих времен: Present, Past, Future Simple; Present, Past Continuous.
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. 11. Where Kate (to go) when you (to meet) her yesterday? 12. Every day the boss (to enter) the office at nine o'clock. 13. Yesterday the boss (to enter) the office at half past nine. 14. When the secretary (to come) tomor¬row? 15. At six o'clock yesterday we (to listen) to a very interesting lecture. 16. When I (to enter) the office, the secretary (to type) some letters. 17. My friend (to ring) me up at eight o'clock yesterday.