could counterpetition
Verbe régulier : counterpetition - counterpetitioned- counterpetitioned

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could counterpetition
you could counterpetition
he could counterpetition
we could counterpetition
you could counterpetition
they could counterpetition 	I could be counterpetitioning
you could be counterpetitioning
he could be counterpetitioning
we could be counterpetitioning
you could be counterpetitioning
they could be counterpetitioning	I could have counterpetitioned
you could have counterpetitioned
he could have counterpetitioned
we could have counterpetitioned
you could have counterpetitioned
they could have counterpetitioned	I could have been counterpetitioning
you could have been counterpetitioning
he could have been counterpetitioning
we could have been counterpetitioning
you could have been counterpetitioning
they could have been counterpetitioning	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not counterpetition
you could not counterpetition
he could not counterpetition
we could not counterpetition
you could not counterpetition
they could not counterpetition 	I could not be counterpetitioning
you could not be counterpetitioning
he could not be counterpetitioning
we could not be counterpetitioning
you could not be counterpetitioning
they could not be counterpetitioning	I could not have counterpetitioned
you could not have counterpetitioned
he could not have counterpetitioned
we could not have counterpetitioned
you could not have counterpetitioned
they could not have counterpetitioned	I could not have been counterpetitioning
you could not have been counterpetitioning
he could not have been counterpetitioning
we could not have been counterpetitioning
you could not have been counterpetitioning
they could not have been counterpetitioning	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I counterpetition?
could you counterpetition?
could he counterpetition?
could we counterpetition?
could you counterpetition?
could they counterpetition? 	could I be counterpetitioning?
could you be counterpetitioning?
could he be counterpetitioning?
could we be counterpetitioning?
could you be counterpetitioning?
could they be counterpetitioning? 	could I have counterpetitioned?
could you have counterpetitioned?
could he have counterpetitioned?
could we have counterpetitioned?
could you have counterpetitioned?
could they have counterpetitioned? 	could I have been counterpetitioning?
could you have been counterpetitioning?
could he have been counterpetitioning?
could we have been counterpetitioning?
could you have been counterpetitioning?
could they have been counterpetitioning? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not counterpetition?
could you not counterpetition?
could he not counterpetition?
could we not counterpetition?
could you not counterpetition?
could they not counterpetition? 	could I not be counterpetitioning?
could you not be counterpetitioning?
could he not be counterpetitioning?
could we not be counterpetitioning?
could you not be counterpetitioning?
could they not be counterpetitioning? 	could I not have counterpetitioned?
could you not have counterpetitioned?
could he not have counterpetitioned?
could we not have counterpetitioned?
could you not have counterpetitioned?
could they not have counterpetitioned? 	could I not have been counterpetitioning?
could you not have been counterpetitioning?
could he not have been counterpetitioning?
could we not have been counterpetitioning?
could you not have been counterpetitioning?
could they not have been counterpetitioning?