English verb conjugation
COULD SLEW

Regular verb: slew - slewed - slewed

Affirmation

Simple form	V-ing form
I could slew you could slew he could slew we could slew you could slew they could slew	I could be slewing you could be slewing he could be slewing we could be slewing you could be slewing they could be slewing
Perfect	V-ing perfect
I could have slewed you could have slewed he could have slewed we could have slewed you could have slewed they could have slewed	I could have been slewing you could have been slewing he could have been slewing we could have been slewing you could have been slewing they could have been slewing

Negation

Simple form	V-ing form
I couldn't slew you couldn't slew he couldn't slew we couldn't slew you couldn't slew they couldn't slew	I couldn't be slewing you couldn't be slewing he couldn't be slewing we couldn't be slewing you couldn't be slewing they couldn't be slewing
Perfect	V-ing perfect
I couldn't have slewed you couldn't have slewed he couldn't have slewed we couldn't have slewed you couldn't have slewed they couldn't have slewed	I couldn't have been slewing you couldn't have been slewing he couldn't have been slewing we couldn't have been slewing you couldn't have been slewing they couldn't have been slewing

Interrogative form

Simple form	V-ing form
could I slew? could you slew? could he slew? could we slew? could you slew? could they slew?	could I be slewing? could you be slewing? could he be slewing? could we be slewing? could you be slewing? could they be slewing?
Perfect	V-ing perfect
could I have slewed? could you have slewed? could he have slewed? could we have slewed? could you have slewed? could they have slewed?	could I have been slewing? could you have been slewing? could he have been slewing? could we have been slewing? could you have been slewing? could they have been slewing?

Interro-negative form

Simple form	V-ing form
couldn't I slew? couldn't you slew? couldn't he slew? couldn't we slew? couldn't you slew? couldn't they slew?	couldn't I be slewing? couldn't you be slewing? couldn't he be slewing? couldn't we be slewing? couldn't you be slewing? couldn't they be slewing?
Perfect	V-ing perfect
couldn't I have slewed? couldn't you have slewed? couldn't he have slewed? couldn't we have slewed? couldn't you have slewed? couldn't they have slewed?	couldn't I have been slewing? couldn't you have been slewing? couldn't he have been slewing? couldn't we have been slewing? couldn't you have been slewing? couldn't they have been slewing?