English verb conjugation
COULD SULLY

Regular verb: sully - sullied - sullied

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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

Negation

Simple form	V-ing form
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
Perfect	V-ing perfect
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

Interrogative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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?

Interro-negative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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?