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, don't 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