I must scold you must scold she must scold we must scold you must scold they must scold
V-ing form
I must be scolding you must be scolding she must be scolding we must be scolding you must be scolding they must be scolding
Perfect
I must have scolded you must have scolded she must have scolded we must have scolded you must have scolded they must have scolded
V-ing perfect
I must have been scolding you must have been scolding she must have been scolding we must have been scolding you must have been scolding they must have been scolding
Negation
Simple form
I must not scold you must not scold she must not scold we must not scold you must not scold they must not scold
V-ing form
I must not be scolding you must not be scolding she must not be scolding we must not be scolding you must not be scolding they must not be scolding
Perfect
I must not have scolded you must not have scolded she must not have scolded we must not have scolded you must not have scolded they must not have scolded
V-ing perfect
I must not have been scolding you must not have been scolding she must not have been scolding we must not have been scolding you must not have been scolding they must not have been scolding
Interrogative form
Simple form
must I scold? must you scold? must she scold? must we scold? must you scold? must they scold?
V-ing form
must I be scolding? must you be scolding? must she be scolding? must we be scolding? must you be scolding? must they be scolding?
Perfect
must I have scolded? must you have scolded? must she have scolded? must we have scolded? must you have scolded? must they have scolded?
V-ing perfect
must I have been scolding? must you have been scolding? must she have been scolding? must we have been scolding? must you have been scolding? must they have been scolding?
Interro-negative form
Simple form
must I not scold? must you not scold? must she not scold? must we not scold? must you not scold? must they not scold?
V-ing form
must I not be scolding? must you not be scolding? must she not be scolding? must we not be scolding? must you not be scolding? must they not be scolding?
Perfect
must I not have scolded? must you not have scolded? must she not have scolded? must we not have scolded? must you not have scolded? must they not have scolded?
V-ing perfect
must I not have been scolding? must you not have been scolding? must she not have been scolding? must we not have been scolding? must you not have been scolding? must they not have been scolding?