English verb conjugation
COULD SLOUGH

Regular verb: slough - sloughed - sloughed

Affirmation

Simple form	V-ing form
I could slough you could slough he could slough we could slough you could slough they could slough	I could be sloughing you could be sloughing he could be sloughing we could be sloughing you could be sloughing they could be sloughing
Perfect	V-ing perfect
I could have sloughed you could have sloughed he could have sloughed we could have sloughed you could have sloughed they could have sloughed	I could have been sloughing you could have been sloughing he could have been sloughing we could have been sloughing you could have been sloughing they could have been sloughing

Negation

Simple form	V-ing form
I could not slough you could not slough he could not slough we could not slough you could not slough they could not slough	I could not be sloughing you could not be sloughing he could not be sloughing we could not be sloughing you could not be sloughing they could not be sloughing
Perfect	V-ing perfect
I could not have sloughed you could not have sloughed he could not have sloughed we could not have sloughed you could not have sloughed they could not have sloughed	I could not have been sloughing you could not have been sloughing he could not have been sloughing we could not have been sloughing you could not have been sloughing they could not have been sloughing

Interrogative form

Simple form	V-ing form
could I slough? could you slough? could he slough? could we slough? could you slough? could they slough?	could I be sloughing? could you be sloughing? could he be sloughing? could we be sloughing? could you be sloughing? could they be sloughing?
Perfect	V-ing perfect
could I have sloughed? could you have sloughed? could he have sloughed? could we have sloughed? could you have sloughed? could they have sloughed?	could I have been sloughing? could you have been sloughing? could he have been sloughing? could we have been sloughing? could you have been sloughing? could they have been sloughing?

Interro-negative form

Simple form	V-ing form
could I not slough? could you not slough? could he not slough? could we not slough? could you not slough? could they not slough?	could I not be sloughing? could you not be sloughing? could he not be sloughing? could we not be sloughing? could you not be sloughing? could they not be sloughing?
Perfect	V-ing perfect
could I not have sloughed? could you not have sloughed? could he not have sloughed? could we not have sloughed? could you not have sloughed? could they not have sloughed?	could I not have been sloughing? could you not have been sloughing? could he not have been sloughing? could we not have been sloughing? could you not have been sloughing? could they not have been sloughing?