could brevet
Regular verb: brevet - breveted- breveted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could brevet
you could brevet
she could brevet
we could brevet
you could brevet
they could brevet 	I could be breveting
you could be breveting
she could be breveting
we could be breveting
you could be breveting
they could be breveting	I could have breveted
you could have breveted
she 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
she could have been breveting
we could have been breveting
you could have been breveting
they could have been breveting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not brevet
you could not brevet
she 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
she 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
she 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
she could not have been breveting
we could not have been breveting
you could not have been breveting
they could not have been breveting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I brevet?
could you brevet?
could she brevet?
could we brevet?
could you brevet?
could they brevet? 	could I be breveting?
could you be breveting?
could she be breveting?
could we be breveting?
could you be breveting?
could they be breveting? 	could I have breveted?
could you have breveted?
could she 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 she have been breveting?
could we have been breveting?
could you have been breveting?
could they have been breveting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not brevet?
could you not brevet?
could she 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 she 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 she 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 she not have been breveting?
could we not have been breveting?
could you not have been breveting?
could they not have been breveting?