I must scatter you must scatter he must scatter we must scatter you must scatter they must scatter
V-ing form
I must be scattering you must be scattering he must be scattering we must be scattering you must be scattering they must be scattering
Perfect
I must have scattered you must have scattered he must have scattered we must have scattered you must have scattered they must have scattered
V-ing perfect
I must have been scattering you must have been scattering he must have been scattering we must have been scattering you must have been scattering they must have been scattering
Negation
Simple form
I must not scatter you must not scatter he must not scatter we must not scatter you must not scatter they must not scatter
V-ing form
I must not be scattering you must not be scattering he must not be scattering we must not be scattering you must not be scattering they must not be scattering
Perfect
I must not have scattered you must not have scattered he must not have scattered we must not have scattered you must not have scattered they must not have scattered
V-ing perfect
I must not have been scattering you must not have been scattering he must not have been scattering we must not have been scattering you must not have been scattering they must not have been scattering
Interrogative form
Simple form
must I scatter? must you scatter? must he scatter? must we scatter? must you scatter? must they scatter?
V-ing form
must I be scattering? must you be scattering? must he be scattering? must we be scattering? must you be scattering? must they be scattering?
Perfect
must I have scattered? must you have scattered? must he have scattered? must we have scattered? must you have scattered? must they have scattered?
V-ing perfect
must I have been scattering? must you have been scattering? must he have been scattering? must we have been scattering? must you have been scattering? must they have been scattering?
Interro-negative form
Simple form
must I not scatter? must you not scatter? must he not scatter? must we not scatter? must you not scatter? must they not scatter?
V-ing form
must I not be scattering? must you not be scattering? must he not be scattering? must we not be scattering? must you not be scattering? must they not be scattering?
Perfect
must I not have scattered? must you not have scattered? must he not have scattered? must we not have scattered? must you not have scattered? must they not have scattered?
V-ing perfect
must I not have been scattering? must you not have been scattering? must he not have been scattering? must we not have been scattering? must you not have been scattering? must they not have been scattering?