must injure
Regular verb: injure - injured- injured

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must injure
you must injure
he must injure
we must injure
you must injure
they must injure 	I must be injuring
you must be injuring
he must be injuring
we must be injuring
you must be injuring
they must be injuring	I must have injured
you must have injured
he must have injured
we must have injured
you must have injured
they must have injured	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 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't injure
you mustn't injure
he mustn't injure
we mustn't injure
you mustn't injure
they mustn't injure 	I mustn't be injuring
you mustn't be injuring
he mustn't be injuring
we mustn't be injuring
you mustn't be injuring
they mustn't be injuring	I mustn't have injured
you mustn't have injured
he mustn't have injured
we mustn't have injured
you mustn't have injured
they mustn't have injured	I mustn't have been injuring
you mustn't have been injuring
he mustn't have been injuring
we mustn't have been injuring
you mustn't have been injuring
they mustn't have been injuring	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I injure?
must you injure?
must he injure?
must we injure?
must you injure?
must they injure? 	must I be injuring?
must you be injuring?
must he be injuring?
must we be injuring?
must you be injuring?
must they be injuring? 	must I have injured?
must you have injured?
must he have injured?
must we have injured?
must you have injured?
must they have injured? 	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 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I injure?
mustn't you injure?
mustn't he injure?
mustn't we injure?
mustn't you injure?
mustn't they injure? 	mustn't I be injuring?
mustn't you be injuring?
mustn't he be injuring?
mustn't we be injuring?
mustn't you be injuring?
mustn't they be injuring? 	mustn't I have injured?
mustn't you have injured?
mustn't he have injured?
mustn't we have injured?
mustn't you have injured?
mustn't they have injured? 	mustn't I have been injuring?
mustn't you have been injuring?
mustn't he have been injuring?
mustn't we have been injuring?
mustn't you have been injuring?
mustn't they have been injuring?