1) You (must) go to bed at 11 p. m.
Gregory must go to bed at 11 p.m.
2) You (must) take the map with you.
Gregory must take the map with him.
3)You (must) spend more time on your home work
Gregory must spend more time on his home work.
4)You (must) come back at ten tonight
Gregory must come backe at ten tonight.
5)You (must) wear your uniform at school
Gregory must wear his uniform at school.
6)You (must) reas to your younger brother
Gregory must reas to his younger brother.