English verb conjugation
COULD SLUE

Regular verb: slue - slued - slued

Affirmation

Simple form	V-ing form
I could slue you could slue she could slue we could slue you could slue they could slue	I could be sluing you could be sluing she 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 she 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 she 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 she 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 she 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 she 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 she 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 she slue? could we slue? could you slue? could they slue?	could I be sluing? could you be sluing? could she 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 she 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 she 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 she 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 she 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 she 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 she have been sluing? couldn't we have been sluing? couldn't you have been sluing? couldn't they have been sluing?