English verb conjugation
COULD SLUICE

Regular verb: sluice - sluiced - sluiced

Affirmation

Simple form	V-ing form
I could sluice you could sluice she could sluice we could sluice you could sluice they could sluice	I could be sluicing you could be sluicing she could be sluicing we could be sluicing you could be sluicing they could be sluicing
Perfect	V-ing perfect
I could have sluiced you could have sluiced she could have sluiced we could have sluiced you could have sluiced they could have sluiced	I could have been sluicing you could have been sluicing she could have been sluicing we could have been sluicing you could have been sluicing they could have been sluicing

Negation

Simple form	V-ing form
I could not sluice you could not sluice she could not sluice we could not sluice you could not sluice they could not sluice	I could not be sluicing you could not be sluicing she could not be sluicing we could not be sluicing you could not be sluicing they could not be sluicing
Perfect	V-ing perfect
I could not have sluiced you could not have sluiced she could not have sluiced we could not have sluiced you could not have sluiced they could not have sluiced	I could not have been sluicing you could not have been sluicing she could not have been sluicing we could not have been sluicing you could not have been sluicing they could not have been sluicing

Interrogative form

Simple form	V-ing form
could I sluice? could you sluice? could she sluice? could we sluice? could you sluice? could they sluice?	could I be sluicing? could you be sluicing? could she be sluicing? could we be sluicing? could you be sluicing? could they be sluicing?
Perfect	V-ing perfect
could I have sluiced? could you have sluiced? could she have sluiced? could we have sluiced? could you have sluiced? could they have sluiced?	could I have been sluicing? could you have been sluicing? could she have been sluicing? could we have been sluicing? could you have been sluicing? could they have been sluicing?

Interro-negative form

Simple form	V-ing form
could I not sluice? could you not sluice? could she not sluice? could we not sluice? could you not sluice? could they not sluice?	could I not be sluicing? could you not be sluicing? could she not be sluicing? could we not be sluicing? could you not be sluicing? could they not be sluicing?
Perfect	V-ing perfect
could I not have sluiced? could you not have sluiced? could she not have sluiced? could we not have sluiced? could you not have sluiced? could they not have sluiced?	could I not have been sluicing? could you not have been sluicing? could she not have been sluicing? could we not have been sluicing? could you not have been sluicing? could they not have been sluicing?