I must disgrace you must disgrace she must disgrace we must disgrace you must disgrace they must disgrace
V-ing form
I must be disgracing you must be disgracing she must be disgracing we must be disgracing you must be disgracing they must be disgracing
Perfect
I must have disgraced you must have disgraced she must have disgraced we must have disgraced you must have disgraced they must have disgraced
V-ing perfect
I must have been disgracing you must have been disgracing she must have been disgracing we must have been disgracing you must have been disgracing they must have been disgracing
Negation
Simple form
I must not disgrace you must not disgrace she must not disgrace we must not disgrace you must not disgrace they must not disgrace
V-ing form
I must not be disgracing you must not be disgracing she must not be disgracing we must not be disgracing you must not be disgracing they must not be disgracing
Perfect
I must not have disgraced you must not have disgraced she must not have disgraced we must not have disgraced you must not have disgraced they must not have disgraced
V-ing perfect
I must not have been disgracing you must not have been disgracing she must not have been disgracing we must not have been disgracing you must not have been disgracing they must not have been disgracing
Interrogative form
Simple form
must I disgrace? must you disgrace? must she disgrace? must we disgrace? must you disgrace? must they disgrace?
V-ing form
must I be disgracing? must you be disgracing? must she be disgracing? must we be disgracing? must you be disgracing? must they be disgracing?
Perfect
must I have disgraced? must you have disgraced? must she have disgraced? must we have disgraced? must you have disgraced? must they have disgraced?
V-ing perfect
must I have been disgracing? must you have been disgracing? must she have been disgracing? must we have been disgracing? must you have been disgracing? must they have been disgracing?
Interro-negative form
Simple form
must I not disgrace? must you not disgrace? must she not disgrace? must we not disgrace? must you not disgrace? must they not disgrace?
V-ing form
must I not be disgracing? must you not be disgracing? must she not be disgracing? must we not be disgracing? must you not be disgracing? must they not be disgracing?
Perfect
must I not have disgraced? must you not have disgraced? must she not have disgraced? must we not have disgraced? must you not have disgraced? must they not have disgraced?
V-ing perfect
must I not have been disgracing? must you not have been disgracing? must she not have been disgracing? must we not have been disgracing? must you not have been disgracing? must they not have been disgracing?