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 must not injure
you must not injure
he must not injure
we must not injure
you must not injure
they must not injure 	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	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	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 	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 	
must I not injure?
must you not injure?
must he not injure?
must we not injure?
must you not injure?
must they not injure? 	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? 	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? 	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?