could triffle
Verbe régulier : triffle - triffled- triffled

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could triffle
you could triffle
he could triffle
we could triffle
you could triffle
they could triffle 	I could be triffling
you could be triffling
he could be triffling
we could be triffling
you could be triffling
they could be triffling	I could have triffled
you could have triffled
he could have triffled
we could have triffled
you could have triffled
they could have triffled	I could have been triffling
you could have been triffling
he could have been triffling
we could have been triffling
you could have been triffling
they could have been triffling	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not triffle
you could not triffle
he could not triffle
we could not triffle
you could not triffle
they could not triffle 	I could not be triffling
you could not be triffling
he could not be triffling
we could not be triffling
you could not be triffling
they could not be triffling	I could not have triffled
you could not have triffled
he could not have triffled
we could not have triffled
you could not have triffled
they could not have triffled	I could not have been triffling
you could not have been triffling
he could not have been triffling
we could not have been triffling
you could not have been triffling
they could not have been triffling	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I triffle?
could you triffle?
could he triffle?
could we triffle?
could you triffle?
could they triffle? 	could I be triffling?
could you be triffling?
could he be triffling?
could we be triffling?
could you be triffling?
could they be triffling? 	could I have triffled?
could you have triffled?
could he have triffled?
could we have triffled?
could you have triffled?
could they have triffled? 	could I have been triffling?
could you have been triffling?
could he have been triffling?
could we have been triffling?
could you have been triffling?
could they have been triffling? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not triffle?
could you not triffle?
could he not triffle?
could we not triffle?
could you not triffle?
could they not triffle? 	could I not be triffling?
could you not be triffling?
could he not be triffling?
could we not be triffling?
could you not be triffling?
could they not be triffling? 	could I not have triffled?
could you not have triffled?
could he not have triffled?
could we not have triffled?
could you not have triffled?
could they not have triffled? 	could I not have been triffling?
could you not have been triffling?
could he not have been triffling?
could we not have been triffling?
could you not have been triffling?
could they not have been triffling?