could horn
Verbe régulier : horn - horned- horned

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could horn
you could horn
he could horn
we could horn
you could horn
they could horn 	I could be horning
you could be horning
he could be horning
we could be horning
you could be horning
they could be horning	I could have horned
you could have horned
he could have horned
we could have horned
you could have horned
they could have horned	I could have been horning
you could have been horning
he could have been horning
we could have been horning
you could have been horning
they could have been horning	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not horn
you could not horn
he could not horn
we could not horn
you could not horn
they could not horn 	I could not be horning
you could not be horning
he could not be horning
we could not be horning
you could not be horning
they could not be horning	I could not have horned
you could not have horned
he could not have horned
we could not have horned
you could not have horned
they could not have horned	I could not have been horning
you could not have been horning
he could not have been horning
we could not have been horning
you could not have been horning
they could not have been horning	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I horn?
could you horn?
could he horn?
could we horn?
could you horn?
could they horn? 	could I be horning?
could you be horning?
could he be horning?
could we be horning?
could you be horning?
could they be horning? 	could I have horned?
could you have horned?
could he have horned?
could we have horned?
could you have horned?
could they have horned? 	could I have been horning?
could you have been horning?
could he have been horning?
could we have been horning?
could you have been horning?
could they have been horning? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not horn?
could you not horn?
could he not horn?
could we not horn?
could you not horn?
could they not horn? 	could I not be horning?
could you not be horning?
could he not be horning?
could we not be horning?
could you not be horning?
could they not be horning? 	could I not have horned?
could you not have horned?
could he not have horned?
could we not have horned?
could you not have horned?
could they not have horned? 	could I not have been horning?
could you not have been horning?
could he not have been horning?
could we not have been horning?
could you not have been horning?
could they not have been horning?