English verb conjugation
COULD SLEAVE

Regular verb: sleave - sleaved - sleaved

Affirmation

Simple form	V-ing form
I could sleave you could sleave he could sleave we could sleave you could sleave they could sleave	I could be sleaving you could be sleaving he 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 he 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 he 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 couldn't sleave you couldn't sleave he couldn't sleave we couldn't sleave you couldn't sleave they couldn't sleave	I couldn't be sleaving you couldn't be sleaving he couldn't be sleaving we couldn't be sleaving you couldn't be sleaving they couldn't be sleaving
Perfect	V-ing perfect
I couldn't have sleaved you couldn't have sleaved he couldn't have sleaved we couldn't have sleaved you couldn't have sleaved they couldn't have sleaved	I couldn't have been sleaving you couldn't have been sleaving he couldn't have been sleaving we couldn't have been sleaving you couldn't have been sleaving they couldn't have been sleaving

Interrogative form

Simple form	V-ing form
could I sleave? could you sleave? could he sleave? could we sleave? could you sleave? could they sleave?	could I be sleaving? could you be sleaving? could he 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 he 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 he 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
couldn't I sleave? couldn't you sleave? couldn't he sleave? couldn't we sleave? couldn't you sleave? couldn't they sleave?	couldn't I be sleaving? couldn't you be sleaving? couldn't he be sleaving? couldn't we be sleaving? couldn't you be sleaving? couldn't they be sleaving?
Perfect	V-ing perfect
couldn't I have sleaved? couldn't you have sleaved? couldn't he have sleaved? couldn't we have sleaved? couldn't you have sleaved? couldn't they have sleaved?	couldn't I have been sleaving? couldn't you have been sleaving? couldn't he have been sleaving? couldn't we have been sleaving? couldn't you have been sleaving? couldn't they have been sleaving?