could sully
Verbo regular: sully - sullied- sullied

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could sully
you could sully
he could sully
we could sully
you could sully
they could sully 	I could be sullying
you could be sullying
he could be sullying
we could be sullying
you could be sullying
they could be sullying	I could have sullied
you could have sullied
he could have sullied
we could have sullied
you could have sullied
they could have sullied	I could have been sullying
you could have been sullying
he could have been sullying
we could have been sullying
you could have been sullying
they could have been sullying	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't sully
you couldn't sully
he couldn't sully
we couldn't sully
you couldn't sully
they couldn't sully 	I couldn't be sullying
you couldn't be sullying
he couldn't be sullying
we couldn't be sullying
you couldn't be sullying
they couldn't be sullying	I couldn't have sullied
you couldn't have sullied
he couldn't have sullied
we couldn't have sullied
you couldn't have sullied
they couldn't have sullied	I couldn't have been sullying
you couldn't have been sullying
he couldn't have been sullying
we couldn't have been sullying
you couldn't have been sullying
they couldn't have been sullying	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I sully?
could you sully?
could he sully?
could we sully?
could you sully?
could they sully? 	could I be sullying?
could you be sullying?
could he be sullying?
could we be sullying?
could you be sullying?
could they be sullying? 	could I have sullied?
could you have sullied?
could he have sullied?
could we have sullied?
could you have sullied?
could they have sullied? 	could I have been sullying?
could you have been sullying?
could he have been sullying?
could we have been sullying?
could you have been sullying?
could they have been sullying? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I sully?
couldn't you sully?
couldn't he sully?
couldn't we sully?
couldn't you sully?
couldn't they sully? 	couldn't I be sullying?
couldn't you be sullying?
couldn't he be sullying?
couldn't we be sullying?
couldn't you be sullying?
couldn't they be sullying? 	couldn't I have sullied?
couldn't you have sullied?
couldn't he have sullied?
couldn't we have sullied?
couldn't you have sullied?
couldn't they have sullied? 	couldn't I have been sullying?
couldn't you have been sullying?
couldn't he have been sullying?
couldn't we have been sullying?
couldn't you have been sullying?
couldn't they have been sullying?