English verb conjugation
COULD SLEAVE

Regular verb: sleave - sleaved - sleaved

Affirmation

Simple form	V-ing form
I could sleave you could sleave she could sleave we could sleave you could sleave they could sleave	I could be sleaving you could be sleaving she could be sleaving we could be sleaving you could be sleaving they could be sleaving
Perfect	V-ing perfect
I could have sleaved you could have sleaved she could have sleaved we could have sleaved you could have sleaved they could have sleaved	I could have been sleaving you could have been sleaving she could have been sleaving we could have been sleaving you could have been sleaving they could have been sleaving

Negation

Simple form	V-ing form
I could not sleave you could not sleave she could not sleave we could not sleave you could not sleave they could not sleave	I could not be sleaving you could not be sleaving she could not be sleaving we could not be sleaving you could not be sleaving they could not be sleaving
Perfect	V-ing perfect
I could not have sleaved you could not have sleaved she could not have sleaved we could not have sleaved you could not have sleaved they could not have sleaved	I could not have been sleaving you could not have been sleaving she could not have been sleaving we could not have been sleaving you could not have been sleaving they could not have been sleaving

Interrogative form

Simple form	V-ing form
could I sleave? could you sleave? could she sleave? could we sleave? could you sleave? could they sleave?	could I be sleaving? could you be sleaving? could she be sleaving? could we be sleaving? could you be sleaving? could they be sleaving?
Perfect	V-ing perfect
could I have sleaved? could you have sleaved? could she have sleaved? could we have sleaved? could you have sleaved? could they have sleaved?	could I have been sleaving? could you have been sleaving? could she have been sleaving? could we have been sleaving? could you have been sleaving? could they have been sleaving?

Interro-negative form

Simple form	V-ing form
could I not sleave? could you not sleave? could she not sleave? could we not sleave? could you not sleave? could they not sleave?	could I not be sleaving? could you not be sleaving? could she not be sleaving? could we not be sleaving? could you not be sleaving? could they not be sleaving?
Perfect	V-ing perfect
could I not have sleaved? could you not have sleaved? could she not have sleaved? could we not have sleaved? could you not have sleaved? could they not have sleaved?	could I not have been sleaving? could you not have been sleaving? could she not have been sleaving? could we not have been sleaving? could you not have been sleaving? could they not have been sleaving?