English verb conjugation
COULD SLUE

Regular verb: slue - slued - slued

Affirmation

Simple form	V-ing form
I could slue you could slue he could slue we could slue you could slue they could slue	I could be sluing you could be sluing he could be sluing we could be sluing you could be sluing they could be sluing
Perfect	V-ing perfect
I could have slued you could have slued he could have slued we could have slued you could have slued they could have slued	I could have been sluing you could have been sluing he could have been sluing we could have been sluing you could have been sluing they could have been sluing

Negation

Simple form	V-ing form
I could not slue you could not slue he could not slue we could not slue you could not slue they could not slue	I could not be sluing you could not be sluing he could not be sluing we could not be sluing you could not be sluing they could not be sluing
Perfect	V-ing perfect
I could not have slued you could not have slued he could not have slued we could not have slued you could not have slued they could not have slued	I could not have been sluing you could not have been sluing he could not have been sluing we could not have been sluing you could not have been sluing they could not have been sluing

Interrogative form

Simple form	V-ing form
could I slue? could you slue? could he slue? could we slue? could you slue? could they slue?	could I be sluing? could you be sluing? could he be sluing? could we be sluing? could you be sluing? could they be sluing?
Perfect	V-ing perfect
could I have slued? could you have slued? could he have slued? could we have slued? could you have slued? could they have slued?	could I have been sluing? could you have been sluing? could he have been sluing? could we have been sluing? could you have been sluing? could they have been sluing?

Interro-negative form

Simple form	V-ing form
could I not slue? could you not slue? could he not slue? could we not slue? could you not slue? could they not slue?	could I not be sluing? could you not be sluing? could he not be sluing? could we not be sluing? could you not be sluing? could they not be sluing?
Perfect	V-ing perfect
could I not have slued? could you not have slued? could he not have slued? could we not have slued? could you not have slued? could they not have slued?	could I not have been sluing? could you not have been sluing? could he not have been sluing? could we not have been sluing? could you not have been sluing? could they not have been sluing?