could denigrate
Verbo regular: denigrate - denigrated- denigrated

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could denigrate
you could denigrate
he could denigrate
we could denigrate
you could denigrate
they could denigrate 	I could be denigrating
you could be denigrating
he could be denigrating
we could be denigrating
you could be denigrating
they could be denigrating	I could have denigrated
you could have denigrated
he could have denigrated
we could have denigrated
you could have denigrated
they could have denigrated	I could have been denigrating
you could have been denigrating
he could have been denigrating
we could have been denigrating
you could have been denigrating
they could have been denigrating	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not denigrate
you could not denigrate
he could not denigrate
we could not denigrate
you could not denigrate
they could not denigrate 	I could not be denigrating
you could not be denigrating
he could not be denigrating
we could not be denigrating
you could not be denigrating
they could not be denigrating	I could not have denigrated
you could not have denigrated
he could not have denigrated
we could not have denigrated
you could not have denigrated
they could not have denigrated	I could not have been denigrating
you could not have been denigrating
he could not have been denigrating
we could not have been denigrating
you could not have been denigrating
they could not have been denigrating	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I denigrate?
could you denigrate?
could he denigrate?
could we denigrate?
could you denigrate?
could they denigrate? 	could I be denigrating?
could you be denigrating?
could he be denigrating?
could we be denigrating?
could you be denigrating?
could they be denigrating? 	could I have denigrated?
could you have denigrated?
could he have denigrated?
could we have denigrated?
could you have denigrated?
could they have denigrated? 	could I have been denigrating?
could you have been denigrating?
could he have been denigrating?
could we have been denigrating?
could you have been denigrating?
could they have been denigrating? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not denigrate?
could you not denigrate?
could he not denigrate?
could we not denigrate?
could you not denigrate?
could they not denigrate? 	could I not be denigrating?
could you not be denigrating?
could he not be denigrating?
could we not be denigrating?
could you not be denigrating?
could they not be denigrating? 	could I not have denigrated?
could you not have denigrated?
could he not have denigrated?
could we not have denigrated?
could you not have denigrated?
could they not have denigrated? 	could I not have been denigrating?
could you not have been denigrating?
could he not have been denigrating?
could we not have been denigrating?
could you not have been denigrating?
could they not have been denigrating?