could confer
Verbo regular: confer - conferred- conferred

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could confer
you could confer
she could confer
we could confer
you could confer
they could confer 	I could be conferring
you could be conferring
she could be conferring
we could be conferring
you could be conferring
they could be conferring	I could have conferred
you could have conferred
she could have conferred
we could have conferred
you could have conferred
they could have conferred	I could have been conferring
you could have been conferring
she could have been conferring
we could have been conferring
you could have been conferring
they could have been conferring	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not confer
you could not confer
she could not confer
we could not confer
you could not confer
they could not confer 	I could not be conferring
you could not be conferring
she could not be conferring
we could not be conferring
you could not be conferring
they could not be conferring	I could not have conferred
you could not have conferred
she could not have conferred
we could not have conferred
you could not have conferred
they could not have conferred	I could not have been conferring
you could not have been conferring
she could not have been conferring
we could not have been conferring
you could not have been conferring
they could not have been conferring	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I confer?
could you confer?
could she confer?
could we confer?
could you confer?
could they confer? 	could I be conferring?
could you be conferring?
could she be conferring?
could we be conferring?
could you be conferring?
could they be conferring? 	could I have conferred?
could you have conferred?
could she have conferred?
could we have conferred?
could you have conferred?
could they have conferred? 	could I have been conferring?
could you have been conferring?
could she have been conferring?
could we have been conferring?
could you have been conferring?
could they have been conferring? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not confer?
could you not confer?
could she not confer?
could we not confer?
could you not confer?
could they not confer? 	could I not be conferring?
could you not be conferring?
could she not be conferring?
could we not be conferring?
could you not be conferring?
could they not be conferring? 	could I not have conferred?
could you not have conferred?
could she not have conferred?
could we not have conferred?
could you not have conferred?
could they not have conferred? 	could I not have been conferring?
could you not have been conferring?
could she not have been conferring?
could we not have been conferring?
could you not have been conferring?
could they not have been conferring?