I must restart you must restart he must restart we must restart you must restart they must restart
V-ing form
I must be restarting you must be restarting he must be restarting we must be restarting you must be restarting they must be restarting
Perfect
I must have restarted you must have restarted he must have restarted we must have restarted you must have restarted they must have restarted
V-ing perfect
I must have been restarting you must have been restarting he must have been restarting we must have been restarting you must have been restarting they must have been restarting
Negation
Simple form
I must not restart you must not restart he must not restart we must not restart you must not restart they must not restart
V-ing form
I must not be restarting you must not be restarting he must not be restarting we must not be restarting you must not be restarting they must not be restarting
Perfect
I must not have restarted you must not have restarted he must not have restarted we must not have restarted you must not have restarted they must not have restarted
V-ing perfect
I must not have been restarting you must not have been restarting he must not have been restarting we must not have been restarting you must not have been restarting they must not have been restarting
Interrogative form
Simple form
must I restart? must you restart? must he restart? must we restart? must you restart? must they restart?
V-ing form
must I be restarting? must you be restarting? must he be restarting? must we be restarting? must you be restarting? must they be restarting?
Perfect
must I have restarted? must you have restarted? must he have restarted? must we have restarted? must you have restarted? must they have restarted?
V-ing perfect
must I have been restarting? must you have been restarting? must he have been restarting? must we have been restarting? must you have been restarting? must they have been restarting?
Interro-negative form
Simple form
must I not restart? must you not restart? must he not restart? must we not restart? must you not restart? must they not restart?
V-ing form
must I not be restarting? must you not be restarting? must he not be restarting? must we not be restarting? must you not be restarting? must they not be restarting?
Perfect
must I not have restarted? must you not have restarted? must he not have restarted? must we not have restarted? must you not have restarted? must they not have restarted?
V-ing perfect
must I not have been restarting? must you not have been restarting? must he not have been restarting? must we not have been restarting? must you not have been restarting? must they not have been restarting?