Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could lave lave you could lave lave he could lave lave we could lave lave you could lave lave they could lave lave
V-ing form
I could be lave laving you could be lave laving he could be lave laving we could be lave laving you could be lave laving they could be lave laving
Perfect
I could have lave laved you could have lave laved he could have lave laved we could have lave laved you could have lave laved they could have lave laved
V-ing perfect
I could have been lave laving you could have been lave laving he could have been lave laving we could have been lave laving you could have been lave laving they could have been lave laving
Negation
Simple form
I could not lave lave you could not lave lave he could not lave lave we could not lave lave you could not lave lave they could not lave lave
V-ing form
I could not be lave laving you could not be lave laving he could not be lave laving we could not be lave laving you could not be lave laving they could not be lave laving
Perfect
I could not have lave laved you could not have lave laved he could not have lave laved we could not have lave laved you could not have lave laved they could not have lave laved
V-ing perfect
I could not have been lave laving you could not have been lave laving he could not have been lave laving we could not have been lave laving you could not have been lave laving they could not have been lave laving
Interrogative form
Simple form
could I lave lave? could you lave lave? could he lave lave? could we lave lave? could you lave lave? could they lave lave?
V-ing form
could I be lave laving? could you be lave laving? could he be lave laving? could we be lave laving? could you be lave laving? could they be lave laving?
Perfect
could I have lave laved? could you have lave laved? could he have lave laved? could we have lave laved? could you have lave laved? could they have lave laved?
V-ing perfect
could I have been lave laving? could you have been lave laving? could he have been lave laving? could we have been lave laving? could you have been lave laving? could they have been lave laving?
Interro-negative form
Simple form
could I not lave lave? could you not lave lave? could he not lave lave? could we not lave lave? could you not lave lave? could they not lave lave?
V-ing form
could I not be lave laving? could you not be lave laving? could he not be lave laving? could we not be lave laving? could you not be lave laving? could they not be lave laving?
Perfect
could I not have lave laved? could you not have lave laved? could he not have lave laved? could we not have lave laved? could you not have lave laved? could they not have lave laved?
V-ing perfect
could I not have been lave laving? could you not have been lave laving? could he not have been lave laving? could we not have been lave laving? could you not have been lave laving? could they not have been lave laving?