English verb conjugation
COULD LAVE

Regular verb: lave - laved - laved

Affirmation

Simple form	V-ing form
I could lave you could lave he could lave we could lave you could lave they could lave	I could be laving you could be laving he 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 he 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 he 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 could not lave you could not lave he could not lave we could not lave you could not lave they could not lave	I could not be laving you could not be laving he could not be laving we could not be laving you could not be laving they could not be laving
Perfect	V-ing perfect
I could not have laved you could not have laved he could not have laved we could not have laved you could not have laved they could not have laved	I could not have been laving you could not have been laving he could not have been laving we could not have been laving you could not have been laving they could not have been laving

Interrogative form

Simple form	V-ing form
could I lave? could you lave? could he lave? could we lave? could you lave? could they lave?	could I be laving? could you be laving? could he 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 he 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 he 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
could I not lave? could you not lave? could he not lave? could we not lave? could you not lave? could they not lave?	could I not be laving? could you not be laving? could he not be laving? could we not be laving? could you not be laving? could they not be laving?
Perfect	V-ing perfect
could I not have laved? could you not have laved? could he not have laved? could we not have laved? could you not have laved? could they not have laved?	could I not have been laving? could you not have been laving? could he not have been laving? could we not have been laving? could you not have been laving? could they not have been laving?