Постройте вопросы как в образце:
1.we buy the tickets for the concert?
Have you bought tickets for the concert?
2The game/fish?
3.you/do your homework?
4.Mark/open his present?
5.He/meet your sister?
6.Cosmo/eat all the cat food?

3. Have you done your homework?4. Has Mark opened his present?5. Has he  met your sister?6. Has Cosmo eaten all the cat food? - якщо, Космо - людина.6. Have Cosmo eaten all the cat food?- якщо Космо - тварина.