could brevet
Verbe régulier : brevet - breveted- breveted

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could brevet
you could brevet
he could brevet
we could brevet
you could brevet
they could brevet 	I could be breveting
you could be breveting
he could be breveting
we could be breveting
you could be breveting
they could be breveting	I could have breveted
you could have breveted
he could have breveted
we could have breveted
you could have breveted
they could have breveted	I could have been breveting
you could have been breveting
he could have been breveting
we could have been breveting
you could have been breveting
they could have been breveting	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not brevet
you could not brevet
he could not brevet
we could not brevet
you could not brevet
they could not brevet 	I could not be breveting
you could not be breveting
he could not be breveting
we could not be breveting
you could not be breveting
they could not be breveting	I could not have breveted
you could not have breveted
he could not have breveted
we could not have breveted
you could not have breveted
they could not have breveted	I could not have been breveting
you could not have been breveting
he could not have been breveting
we could not have been breveting
you could not have been breveting
they could not have been breveting	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I brevet?
could you brevet?
could he brevet?
could we brevet?
could you brevet?
could they brevet? 	could I be breveting?
could you be breveting?
could he be breveting?
could we be breveting?
could you be breveting?
could they be breveting? 	could I have breveted?
could you have breveted?
could he have breveted?
could we have breveted?
could you have breveted?
could they have breveted? 	could I have been breveting?
could you have been breveting?
could he have been breveting?
could we have been breveting?
could you have been breveting?
could they have been breveting? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not brevet?
could you not brevet?
could he not brevet?
could we not brevet?
could you not brevet?
could they not brevet? 	could I not be breveting?
could you not be breveting?
could he not be breveting?
could we not be breveting?
could you not be breveting?
could they not be breveting? 	could I not have breveted?
could you not have breveted?
could he not have breveted?
could we not have breveted?
could you not have breveted?
could they not have breveted? 	could I not have been breveting?
could you not have been breveting?
could he not have been breveting?
could we not have been breveting?
could you not have been breveting?
could they not have been breveting?