Use "must, " "to have" or "to be": 1. The train ... arrive in five minutes, we... hurry up. 2. If he doesn't meet you at the station you... take a taxi. 3. They be here an hour ago. 4.1... go to the library after classes because I... make a report tomorrow. 5. It ... be a very interesting novel, I know the author. 6. I don't think you ... wait long. 7. They... marry early in June, so they... stay in Moscow. 8. She ... clean her shoes after working in the garden. 9. The lecture... begin in a minute. 10. You... be tired, you... have a little rest. 11. I.. answer a lot of questions at the examination. 12. We ... leave on Monday.

1) He will have been here for two hours by the time you come back. 2.”It is very late.” – “They will be back soon.”3. “There are no planes tonight.” – “Never mind, I will go by train.” 4. Will you be angry if I talk to you about it? 5. By the time you finish cooking they will have done their work. 6. “I am afraid, my train will have left by that time.” – “Don't worry, I will drive you home.”7. I hope it will have stopped snowing by tomorrow morning. 8.If you think it over you will see I am right. 9. If you don't take a taxi, you will be late. By the time you get to the theatre the first act will have been over and you will miss the most interesting dialogues.