English verb conjugation
COULD SLAVE

Regular verb: slave - slaved - slaved

Affirmation

Simple form	V-ing form
I could slave you could slave he could slave we could slave you could slave they could slave	I could be slaving you could be slaving he could be slaving we could be slaving you could be slaving they could be slaving
Perfect	V-ing perfect
I could have slaved you could have slaved he could have slaved we could have slaved you could have slaved they could have slaved	I could have been slaving you could have been slaving he could have been slaving we could have been slaving you could have been slaving they could have been slaving

Negation

Simple form	V-ing form
I couldn't slave you couldn't slave he couldn't slave we couldn't slave you couldn't slave they couldn't slave	I couldn't be slaving you couldn't be slaving he couldn't be slaving we couldn't be slaving you couldn't be slaving they couldn't be slaving
Perfect	V-ing perfect
I couldn't have slaved you couldn't have slaved he couldn't have slaved we couldn't have slaved you couldn't have slaved they couldn't have slaved	I couldn't have been slaving you couldn't have been slaving he couldn't have been slaving we couldn't have been slaving you couldn't have been slaving they couldn't have been slaving

Interrogative form

Simple form	V-ing form
could I slave? could you slave? could he slave? could we slave? could you slave? could they slave?	could I be slaving? could you be slaving? could he be slaving? could we be slaving? could you be slaving? could they be slaving?
Perfect	V-ing perfect
could I have slaved? could you have slaved? could he have slaved? could we have slaved? could you have slaved? could they have slaved?	could I have been slaving? could you have been slaving? could he have been slaving? could we have been slaving? could you have been slaving? could they have been slaving?

Interro-negative form

Simple form	V-ing form
couldn't I slave? couldn't you slave? couldn't he slave? couldn't we slave? couldn't you slave? couldn't they slave?	couldn't I be slaving? couldn't you be slaving? couldn't he be slaving? couldn't we be slaving? couldn't you be slaving? couldn't they be slaving?
Perfect	V-ing perfect
couldn't I have slaved? couldn't you have slaved? couldn't he have slaved? couldn't we have slaved? couldn't you have slaved? couldn't they have slaved?	couldn't I have been slaving? couldn't you have been slaving? couldn't he have been slaving? couldn't we have been slaving? couldn't you have been slaving? couldn't they have been slaving?