1. might
2. Mary might be trying to call us.
3. The students must finish the test in one hour.
4. Mum could be working in the garden.
5. Jane must be hungry.
6. Dad might not take us to dinner.
7. Luke must have not reached the station yet.
8. Grandma has to take her medication every morning.
9. They might've gone to the supermarket.
10. William couldn't leave the party early.
proszę :>
