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