I must injure you must injure he must injure we must injure you must injure they must injure
V-ing form
I must be injuring you must be injuring he must be injuring we must be injuring you must be injuring they must be injuring
Perfect
I must have injured you must have injured he must have injured we must have injured you must have injured they must have injured
V-ing perfect
I must have been injuring you must have been injuring he must have been injuring we must have been injuring you must have been injuring they must have been injuring
Negation
Simple form
I must not injure you must not injure he must not injure we must not injure you must not injure they must not injure
V-ing form
I must not be injuring you must not be injuring he must not be injuring we must not be injuring you must not be injuring they must not be injuring
Perfect
I must not have injured you must not have injured he must not have injured we must not have injured you must not have injured they must not have injured
V-ing perfect
I must not have been injuring you must not have been injuring he must not have been injuring we must not have been injuring you must not have been injuring they must not have been injuring
Interrogative form
Simple form
must I injure? must you injure? must he injure? must we injure? must you injure? must they injure?
V-ing form
must I be injuring? must you be injuring? must he be injuring? must we be injuring? must you be injuring? must they be injuring?
Perfect
must I have injured? must you have injured? must he have injured? must we have injured? must you have injured? must they have injured?
V-ing perfect
must I have been injuring? must you have been injuring? must he have been injuring? must we have been injuring? must you have been injuring? must they have been injuring?
Interro-negative form
Simple form
must I not injure? must you not injure? must he not injure? must we not injure? must you not injure? must they not injure?
V-ing form
must I not be injuring? must you not be injuring? must he not be injuring? must we not be injuring? must you not be injuring? must they not be injuring?
Perfect
must I not have injured? must you not have injured? must he not have injured? must we not have injured? must you not have injured? must they not have injured?
V-ing perfect
must I not have been injuring? must you not have been injuring? must he not have been injuring? must we not have been injuring? must you not have been injuring? must they not have been injuring?