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 couldn't slue you couldn't slue he couldn't slue we couldn't slue you couldn't slue they couldn't slue	I couldn't be sluing you couldn't be sluing he couldn't be sluing we couldn't be sluing you couldn't be sluing they couldn't be sluing
Perfect	V-ing perfect
I couldn't have slued you couldn't have slued he couldn't have slued we couldn't have slued you couldn't have slued they couldn't have slued	I couldn't have been sluing you couldn't have been sluing he couldn't have been sluing we couldn't have been sluing you couldn't have been sluing they couldn't 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
couldn't I slue? couldn't you slue? couldn't he slue? couldn't we slue? couldn't you slue? couldn't they slue?	couldn't I be sluing? couldn't you be sluing? couldn't he be sluing? couldn't we be sluing? couldn't you be sluing? couldn't they be sluing?
Perfect	V-ing perfect
couldn't I have slued? couldn't you have slued? couldn't he have slued? couldn't we have slued? couldn't you have slued? couldn't they have slued?	couldn't I have been sluing? couldn't you have been sluing? couldn't he have been sluing? couldn't we have been sluing? couldn't you have been sluing? couldn't they have been sluing?