Question

9.He (to come) from London two days ago.10.My father (to arrive) from Moscow in a week.11.When Mike entered the theatre he found that the play (to begin).12.Next year by the first of September I (to study) at the University for three years

Answer 1

9came
10will arrive
11had begun
12will have been studing

Answer 2

9. came
10. arrived
11. began
12. will study
по-моему так, могу ошибаться