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 must not disfigure you must not disfigure he must not disfigure we must not disfigure you must not disfigure they must not disfigure
V-ing form
I must not be disfiguring you must not be disfiguring he must not be disfiguring we must not be disfiguring you must not be disfiguring they must not be disfiguring
Perfect
I must not have disfigured you must not have disfigured he must not have disfigured we must not have disfigured you must not have disfigured they must not have disfigured
V-ing perfect
I must not have been disfiguring you must not have been disfiguring he must not have been disfiguring we must not have been disfiguring you must not have been disfiguring they must not 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
must I not disfigure? must you not disfigure? must he not disfigure? must we not disfigure? must you not disfigure? must they not disfigure?
V-ing form
must I not be disfiguring? must you not be disfiguring? must he not be disfiguring? must we not be disfiguring? must you not be disfiguring? must they not be disfiguring?
Perfect
must I not have disfigured? must you not have disfigured? must he not have disfigured? must we not have disfigured? must you not have disfigured? must they not have disfigured?
V-ing perfect
must I not have been disfiguring? must you not have been disfiguring? must he not have been disfiguring? must we not have been disfiguring? must you not have been disfiguring? must they not have been disfiguring?