English verb conjugation
COULD SLUM

Regular verb: slum - slumed - slumed

Affirmation

Simple form	V-ing form
I could slum you could slum he could slum we could slum you could slum they could slum	I could be sluming you could be sluming he could be sluming we could be sluming you could be sluming they could be sluming
Perfect	V-ing perfect
I could have slumed you could have slumed he could have slumed we could have slumed you could have slumed they could have slumed	I could have been sluming you could have been sluming he could have been sluming we could have been sluming you could have been sluming they could have been sluming

Negation

Simple form	V-ing form
I could not slum you could not slum he could not slum we could not slum you could not slum they could not slum	I could not be sluming you could not be sluming he could not be sluming we could not be sluming you could not be sluming they could not be sluming
Perfect	V-ing perfect
I could not have slumed you could not have slumed he could not have slumed we could not have slumed you could not have slumed they could not have slumed	I could not have been sluming you could not have been sluming he could not have been sluming we could not have been sluming you could not have been sluming they could not have been sluming

Interrogative form

Simple form	V-ing form
could I slum? could you slum? could he slum? could we slum? could you slum? could they slum?	could I be sluming? could you be sluming? could he be sluming? could we be sluming? could you be sluming? could they be sluming?
Perfect	V-ing perfect
could I have slumed? could you have slumed? could he have slumed? could we have slumed? could you have slumed? could they have slumed?	could I have been sluming? could you have been sluming? could he have been sluming? could we have been sluming? could you have been sluming? could they have been sluming?

Interro-negative form

Simple form	V-ing form
could I not slum? could you not slum? could he not slum? could we not slum? could you not slum? could they not slum?	could I not be sluming? could you not be sluming? could he not be sluming? could we not be sluming? could you not be sluming? could they not be sluming?
Perfect	V-ing perfect
could I not have slumed? could you not have slumed? could he not have slumed? could we not have slumed? could you not have slumed? could they not have slumed?	could I not have been sluming? could you not have been sluming? could he not have been sluming? could we not have been sluming? could you not have been sluming? could they not have been sluming?