could lay
Irregular verb: lay - laid- laid

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could lay
you could lay
she could lay
we could lay
you could lay
they could lay 	I could be laying
you could be laying
she could be laying
we could be laying
you could be laying
they could be laying	I could have laid
you could have laid
she could have laid
we could have laid
you could have laid
they could have laid	I could have been laying
you could have been laying
she could have been laying
we could have been laying
you could have been laying
they could have been laying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not lay
you could not lay
she could not lay
we could not lay
you could not lay
they could not lay 	I could not be laying
you could not be laying
she could not be laying
we could not be laying
you could not be laying
they could not be laying	I could not have laid
you could not have laid
she could not have laid
we could not have laid
you could not have laid
they could not have laid	I could not have been laying
you could not have been laying
she could not have been laying
we could not have been laying
you could not have been laying
they could not have been laying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I lay?
could you lay?
could she lay?
could we lay?
could you lay?
could they lay? 	could I be laying?
could you be laying?
could she be laying?
could we be laying?
could you be laying?
could they be laying? 	could I have laid?
could you have laid?
could she have laid?
could we have laid?
could you have laid?
could they have laid? 	could I have been laying?
could you have been laying?
could she have been laying?
could we have been laying?
could you have been laying?
could they have been laying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not lay?
could you not lay?
could she not lay?
could we not lay?
could you not lay?
could they not lay? 	could I not be laying?
could you not be laying?
could she not be laying?
could we not be laying?
could you not be laying?
could they not be laying? 	could I not have laid?
could you not have laid?
could she not have laid?
could we not have laid?
could you not have laid?
could they not have laid? 	could I not have been laying?
could you not have been laying?
could she not have been laying?
could we not have been laying?
could you not have been laying?
could they not have been laying?