English verb conjugation
COULD SULLY

Regular verb: sully - sullied - sullied

Affirmation

Simple form	V-ing form
I could sully you could sully she could sully we could sully you could sully they could sully	I could be sullying you could be sullying she could be sullying we could be sullying you could be sullying they could be sullying
Perfect	V-ing perfect
I could have sullied you could have sullied she 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 she could have been sullying we could have been sullying you could have been sullying they could have been sullying

Negation

Simple form	V-ing form
I could not sully you could not sully she could not sully we could not sully you could not sully they could not sully	I could not be sullying you could not be sullying she could not be sullying we could not be sullying you could not be sullying they could not be sullying
Perfect	V-ing perfect
I could not have sullied you could not have sullied she could not have sullied we could not have sullied you could not have sullied they could not have sullied	I could not have been sullying you could not have been sullying she could not have been sullying we could not have been sullying you could not have been sullying they could not have been sullying

Interrogative form

Simple form	V-ing form
could I sully? could you sully? could she sully? could we sully? could you sully? could they sully?	could I be sullying? could you be sullying? could she be sullying? could we be sullying? could you be sullying? could they be sullying?
Perfect	V-ing perfect
could I have sullied? could you have sullied? could she 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 she have been sullying? could we have been sullying? could you have been sullying? could they have been sullying?

Interro-negative form

Simple form	V-ing form
could I not sully? could you not sully? could she not sully? could we not sully? could you not sully? could they not sully?	could I not be sullying? could you not be sullying? could she not be sullying? could we not be sullying? could you not be sullying? could they not be sullying?
Perfect	V-ing perfect
could I not have sullied? could you not have sullied? could she not have sullied? could we not have sullied? could you not have sullied? could they not have sullied?	could I not have been sullying? could you not have been sullying? could she not have been sullying? could we not have been sullying? could you not have been sullying? could they not have been sullying?