Now, let's answer the exercise below using the appropriate modals.
Direction: Fill each blank with the appropriate answer from the choices inside
the parenthesis.
1. You
tell Anna about the party tomorrow night. It's a surprise! (must not,
need to, doesn't have to)
2. Tina
register for her classes on Monday, otherwise she won't get a place
in them. (doesn't have to, mustn't, has to)
3. You
send that fax. I've already sent it. (must, will have to, don't have to)
get special training in order to be a guide dog. (must, need to, don't
4.A dog
have to)
5. Ethan get up early tomorrow. His class was canceled. (mustn't, doesn't
have to, don't need to)​