1. i'll phone you when i (to arrive) moscow 
2. come at 7: we (to have) dinner and you (to be able) to join us. 
3. what you (to do) when you (to arrive) at the hotel? 
4. if mother (to come) home early we (to go) to the cinema 
5. you (to see) us when we (to climb) that hill over there 
6. who (to play) football tomorrow? 
7. you (to look) at me when i (to dance) on the stage? 
8. when you (to tell) me what i should do with these books?