could outrival
Regular verb: outrival - outrivaled- outrivaled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could outrival
you could outrival
she could outrival
we could outrival
you could outrival
they could outrival 	I could be outrivaling
you could be outrivaling
she could be outrivaling
we could be outrivaling
you could be outrivaling
they could be outrivaling	I could have outrivaled
you could have outrivaled
she could have outrivaled
we could have outrivaled
you could have outrivaled
they could have outrivaled	I could have been outrivaling
you could have been outrivaling
she could have been outrivaling
we could have been outrivaling
you could have been outrivaling
they could have been outrivaling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't outrival
you couldn't outrival
she couldn't outrival
we couldn't outrival
you couldn't outrival
they couldn't outrival 	I couldn't be outrivaling
you couldn't be outrivaling
she couldn't be outrivaling
we couldn't be outrivaling
you couldn't be outrivaling
they couldn't be outrivaling	I couldn't have outrivaled
you couldn't have outrivaled
she couldn't have outrivaled
we couldn't have outrivaled
you couldn't have outrivaled
they couldn't have outrivaled	I couldn't have been outrivaling
you couldn't have been outrivaling
she couldn't have been outrivaling
we couldn't have been outrivaling
you couldn't have been outrivaling
they couldn't have been outrivaling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I outrival?
could you outrival?
could she outrival?
could we outrival?
could you outrival?
could they outrival? 	could I be outrivaling?
could you be outrivaling?
could she be outrivaling?
could we be outrivaling?
could you be outrivaling?
could they be outrivaling? 	could I have outrivaled?
could you have outrivaled?
could she have outrivaled?
could we have outrivaled?
could you have outrivaled?
could they have outrivaled? 	could I have been outrivaling?
could you have been outrivaling?
could she have been outrivaling?
could we have been outrivaling?
could you have been outrivaling?
could they have been outrivaling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I outrival?
couldn't you outrival?
couldn't she outrival?
couldn't we outrival?
couldn't you outrival?
couldn't they outrival? 	couldn't I be outrivaling?
couldn't you be outrivaling?
couldn't she be outrivaling?
couldn't we be outrivaling?
couldn't you be outrivaling?
couldn't they be outrivaling? 	couldn't I have outrivaled?
couldn't you have outrivaled?
couldn't she have outrivaled?
couldn't we have outrivaled?
couldn't you have outrivaled?
couldn't they have outrivaled? 	couldn't I have been outrivaling?
couldn't you have been outrivaling?
couldn't she have been outrivaling?
couldn't we have been outrivaling?
couldn't you have been outrivaling?
couldn't they have been outrivaling?