could coffer
Verbo regular: coffer - coffered- coffered

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could coffer
you could coffer
she could coffer
we could coffer
you could coffer
they could coffer 	I could be coffering
you could be coffering
she could be coffering
we could be coffering
you could be coffering
they could be coffering	I could have coffered
you could have coffered
she could have coffered
we could have coffered
you could have coffered
they could have coffered	I could have been coffering
you could have been coffering
she could have been coffering
we could have been coffering
you could have been coffering
they could have been coffering	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not coffer
you could not coffer
she could not coffer
we could not coffer
you could not coffer
they could not coffer 	I could not be coffering
you could not be coffering
she could not be coffering
we could not be coffering
you could not be coffering
they could not be coffering	I could not have coffered
you could not have coffered
she could not have coffered
we could not have coffered
you could not have coffered
they could not have coffered	I could not have been coffering
you could not have been coffering
she could not have been coffering
we could not have been coffering
you could not have been coffering
they could not have been coffering	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I coffer?
could you coffer?
could she coffer?
could we coffer?
could you coffer?
could they coffer? 	could I be coffering?
could you be coffering?
could she be coffering?
could we be coffering?
could you be coffering?
could they be coffering? 	could I have coffered?
could you have coffered?
could she have coffered?
could we have coffered?
could you have coffered?
could they have coffered? 	could I have been coffering?
could you have been coffering?
could she have been coffering?
could we have been coffering?
could you have been coffering?
could they have been coffering? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not coffer?
could you not coffer?
could she not coffer?
could we not coffer?
could you not coffer?
could they not coffer? 	could I not be coffering?
could you not be coffering?
could she not be coffering?
could we not be coffering?
could you not be coffering?
could they not be coffering? 	could I not have coffered?
could you not have coffered?
could she not have coffered?
could we not have coffered?
could you not have coffered?
could they not have coffered? 	could I not have been coffering?
could you not have been coffering?
could she not have been coffering?
could we not have been coffering?
could you not have been coffering?
could they not have been coffering?