Find the modal verbs in the sentences and type them

I should visit a doctor. [ ].

1. It might be very hot tomorrow.
   [ ].
2. Can you swim well?
   [ ]
3. Everyone ought to be attentive and careful.
   [ ].
4. May I use your bathroom?
   [ ].
5. They mustn't make any noise.
   [ ].
6. Could I ask you some questions?
   [ ].
7. Do they have to wake up so early?
   [ ].