1. Susan has to get up early.

Susan doesn't have to get up early.

Does Susan have to get up early?

2. Peter has to do five exercises.

Peter doesn't have to do five exercises.

Does Peter have to do five exercises?

3. They have to wear ties at work.

They don't have to wear ties at work.

Do they have to wear ties at work?

4. People have to wear masks in public places.

People don't have to wear masks in public places.

Do people have to wear masks in public places?