could injure
Regular verb: injure - injured- injured

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could injure
you could injure
he could injure
we could injure
you could injure
they could injure 	I could be injuring
you could be injuring
he could be injuring
we could be injuring
you could be injuring
they could be injuring	I could have injured
you could have injured
he could have injured
we could have injured
you could have injured
they could have injured	I could have been injuring
you could have been injuring
he could have been injuring
we could have been injuring
you could have been injuring
they could have been injuring	

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

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I injure?
could you injure?
could he injure?
could we injure?
could you injure?
could they injure? 	could I be injuring?
could you be injuring?
could he be injuring?
could we be injuring?
could you be injuring?
could they be injuring? 	could I have injured?
could you have injured?
could he have injured?
could we have injured?
could you have injured?
could they have injured? 	could I have been injuring?
could you have been injuring?
could he have been injuring?
could we have been injuring?
could you have been injuring?
could they have been injuring? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I injure?
couldn't you injure?
couldn't he injure?
couldn't we injure?
couldn't you injure?
couldn't they injure? 	couldn't I be injuring?
couldn't you be injuring?
couldn't he be injuring?
couldn't we be injuring?
couldn't you be injuring?
couldn't they be injuring? 	couldn't I have injured?
couldn't you have injured?
couldn't he have injured?
couldn't we have injured?
couldn't you have injured?
couldn't they have injured? 	couldn't I have been injuring?
couldn't you have been injuring?
couldn't he have been injuring?
couldn't we have been injuring?
couldn't you have been injuring?
couldn't they have been injuring?