could lay
Irregular verb: lay - laid- laid

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could lay
you could lay
he could lay
we could lay
you could lay
they could lay 	I could be laying
you could be laying
he could be laying
we could be laying
you could be laying
they could be laying	I could have laid
you could have laid
he 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
he 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 couldn't lay
you couldn't lay
he couldn't lay
we couldn't lay
you couldn't lay
they couldn't lay 	I couldn't be laying
you couldn't be laying
he couldn't be laying
we couldn't be laying
you couldn't be laying
they couldn't be laying	I couldn't have laid
you couldn't have laid
he couldn't have laid
we couldn't have laid
you couldn't have laid
they couldn't have laid	I couldn't have been laying
you couldn't have been laying
he couldn't have been laying
we couldn't have been laying
you couldn't have been laying
they couldn't have been laying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I lay?
could you lay?
could he lay?
could we lay?
could you lay?
could they lay? 	could I be laying?
could you be laying?
could he be laying?
could we be laying?
could you be laying?
could they be laying? 	could I have laid?
could you have laid?
could he 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 he 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 	
couldn't I lay?
couldn't you lay?
couldn't he lay?
couldn't we lay?
couldn't you lay?
couldn't they lay? 	couldn't I be laying?
couldn't you be laying?
couldn't he be laying?
couldn't we be laying?
couldn't you be laying?
couldn't they be laying? 	couldn't I have laid?
couldn't you have laid?
couldn't he have laid?
couldn't we have laid?
couldn't you have laid?
couldn't they have laid? 	couldn't I have been laying?
couldn't you have been laying?
couldn't he have been laying?
couldn't we have been laying?
couldn't you have been laying?
couldn't they have been laying?