I must disfigure you must disfigure he must disfigure we must disfigure you must disfigure they must disfigure
V-ing form
I must be disfiguring you must be disfiguring he must be disfiguring we must be disfiguring you must be disfiguring they must be disfiguring
Perfect
I must have disfigured you must have disfigured he must have disfigured we must have disfigured you must have disfigured they must have disfigured
V-ing perfect
I must have been disfiguring you must have been disfiguring he must have been disfiguring we must have been disfiguring you must have been disfiguring they must have been disfiguring
Negation
Simple form
I mustn't disfigure you mustn't disfigure he mustn't disfigure we mustn't disfigure you mustn't disfigure they mustn't disfigure
V-ing form
I mustn't be disfiguring you mustn't be disfiguring he mustn't be disfiguring we mustn't be disfiguring you mustn't be disfiguring they mustn't be disfiguring
Perfect
I mustn't have disfigured you mustn't have disfigured he mustn't have disfigured we mustn't have disfigured you mustn't have disfigured they mustn't have disfigured
V-ing perfect
I mustn't have been disfiguring you mustn't have been disfiguring he mustn't have been disfiguring we mustn't have been disfiguring you mustn't have been disfiguring they mustn't have been disfiguring
Interrogative form
Simple form
must I disfigure? must you disfigure? must he disfigure? must we disfigure? must you disfigure? must they disfigure?
V-ing form
must I be disfiguring? must you be disfiguring? must he be disfiguring? must we be disfiguring? must you be disfiguring? must they be disfiguring?
Perfect
must I have disfigured? must you have disfigured? must he have disfigured? must we have disfigured? must you have disfigured? must they have disfigured?
V-ing perfect
must I have been disfiguring? must you have been disfiguring? must he have been disfiguring? must we have been disfiguring? must you have been disfiguring? must they have been disfiguring?
Interro-negative form
Simple form
mustn't I disfigure? mustn't you disfigure? mustn't he disfigure? mustn't we disfigure? mustn't you disfigure? mustn't they disfigure?
V-ing form
mustn't I be disfiguring? mustn't you be disfiguring? mustn't he be disfiguring? mustn't we be disfiguring? mustn't you be disfiguring? mustn't they be disfiguring?
Perfect
mustn't I have disfigured? mustn't you have disfigured? mustn't he have disfigured? mustn't we have disfigured? mustn't you have disfigured? mustn't they have disfigured?
V-ing perfect
mustn't I have been disfiguring? mustn't you have been disfiguring? mustn't he have been disfiguring? mustn't we have been disfiguring? mustn't you have been disfiguring? mustn't they have been disfiguring?