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 couldn't slough you couldn't slough he couldn't slough we couldn't slough you couldn't slough they couldn't slough	I couldn't be sloughing you couldn't be sloughing he couldn't be sloughing we couldn't be sloughing you couldn't be sloughing they couldn't be sloughing
Perfect	V-ing perfect
I couldn't have sloughed you couldn't have sloughed he couldn't have sloughed we couldn't have sloughed you couldn't have sloughed they couldn't have sloughed	I couldn't have been sloughing you couldn't have been sloughing he couldn't have been sloughing we couldn't have been sloughing you couldn't have been sloughing they couldn't 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
couldn't I slough? couldn't you slough? couldn't he slough? couldn't we slough? couldn't you slough? couldn't they slough?	couldn't I be sloughing? couldn't you be sloughing? couldn't he be sloughing? couldn't we be sloughing? couldn't you be sloughing? couldn't they be sloughing?
Perfect	V-ing perfect
couldn't I have sloughed? couldn't you have sloughed? couldn't he have sloughed? couldn't we have sloughed? couldn't you have sloughed? couldn't they have sloughed?	couldn't I have been sloughing? couldn't you have been sloughing? couldn't he have been sloughing? couldn't we have been sloughing? couldn't you have been sloughing? couldn't they have been sloughing?