срочно помогите пожалуйста​

1) The homework must be done.

2) The ball can be used in the gym.

3) The dishes must be washed.

4) The essay should be written.

5) The dog should be fed.

6) This question could be discussed yesterday.

7) The things must be packed.

8) The documents couldn't be signed yesterday.

9) Mobile phones can't be used during the lesson.

10) Loud music shouldn't be played here.