English verb conjugation
COULD LAVE

Regular verb: lave - laved - laved

Affirmation

Simple form	V-ing form
I could lave you could lave she could lave we could lave you could lave they could lave	I could be laving you could be laving she could be laving we could be laving you could be laving they could be laving
Perfect	V-ing perfect
I could have laved you could have laved she could have laved we could have laved you could have laved they could have laved	I could have been laving you could have been laving she could have been laving we could have been laving you could have been laving they could have been laving

Negation

Simple form	V-ing form
I couldn't lave you couldn't lave she couldn't lave we couldn't lave you couldn't lave they couldn't lave	I couldn't be laving you couldn't be laving she couldn't be laving we couldn't be laving you couldn't be laving they couldn't be laving
Perfect	V-ing perfect
I couldn't have laved you couldn't have laved she couldn't have laved we couldn't have laved you couldn't have laved they couldn't have laved	I couldn't have been laving you couldn't have been laving she couldn't have been laving we couldn't have been laving you couldn't have been laving they couldn't have been laving

Interrogative form

Simple form	V-ing form
could I lave? could you lave? could she lave? could we lave? could you lave? could they lave?	could I be laving? could you be laving? could she be laving? could we be laving? could you be laving? could they be laving?
Perfect	V-ing perfect
could I have laved? could you have laved? could she have laved? could we have laved? could you have laved? could they have laved?	could I have been laving? could you have been laving? could she have been laving? could we have been laving? could you have been laving? could they have been laving?

Interro-negative form

Simple form	V-ing form
couldn't I lave? couldn't you lave? couldn't she lave? couldn't we lave? couldn't you lave? couldn't they lave?	couldn't I be laving? couldn't you be laving? couldn't she be laving? couldn't we be laving? couldn't you be laving? couldn't they be laving?
Perfect	V-ing perfect
couldn't I have laved? couldn't you have laved? couldn't she have laved? couldn't we have laved? couldn't you have laved? couldn't they have laved?	couldn't I have been laving? couldn't you have been laving? couldn't she have been laving? couldn't we have been laving? couldn't you have been laving? couldn't they have been laving?