must injure
Regular verb: injure - injured- injured

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must injure
you must injure
she must injure
we must injure
you must injure
they must injure 	I must be injuring
you must be injuring
she must be injuring
we must be injuring
you must be injuring
they must be injuring	I must have injured
you must have injured
she 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
she 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
she 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
she 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
she 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
she 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 she injure?
must we injure?
must you injure?
must they injure? 	must I be injuring?
must you be injuring?
must she be injuring?
must we be injuring?
must you be injuring?
must they be injuring? 	must I have injured?
must you have injured?
must she 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 she 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 she 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 she 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 she 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 she not have been injuring?
must we not have been injuring?
must you not have been injuring?
must they not have been injuring?