Помогите с английским! Нужно раскрыть скобки, и поставить слова в нужном времени (написано в задании), естественно не забывая про предлоги т.д. Заранее спасибо!

1. teaches, subtitutes, is
2. am going, is leaving, is he coming back, dont know
3. stays, comes, is staying
4. is leaving, what train is he taking,  is catching
5. is repairing
6. are writing, write, do you want
7. says, is leaving
8. am going
9. is coming
10. call, play, think