I can lay you can lay he can lay we can lay you can lay they can lay
V-ing form
I can be laying you can be laying he can be laying we can be laying you can be laying they can be laying
Perfect
I can have laid you can have laid he can have laid we can have laid you can have laid they can have laid
V-ing perfect
I can have been laying you can have been laying he can have been laying we can have been laying you can have been laying they can have been laying
Negation
Simple form
I cannot lay you cannot lay he cannot lay we cannot lay you cannot lay they cannot lay
V-ing form
I cannot be laying you cannot be laying he cannot be laying we cannot be laying you cannot be laying they cannot be laying
Perfect
I cannot have laid you cannot have laid he cannot have laid we cannot have laid you cannot have laid they cannot have laid
V-ing perfect
I cannot have been laying you cannot have been laying he cannot have been laying we cannot have been laying you cannot have been laying they cannot have been laying
Interrogative form
Simple form
can I lay? can you lay? can he lay? can we lay? can you lay? can they lay?
V-ing form
can I be laying? can you be laying? can he be laying? can we be laying? can you be laying? can they be laying?
Perfect
can I have laid? can you have laid? can he have laid? can we have laid? can you have laid? can they have laid?
V-ing perfect
can I have been laying? can you have been laying? can he have been laying? can we have been laying? can you have been laying? can they have been laying?
Interro-negative form
Simple form
can I not lay? can you not lay? can he not lay? can we not lay? can you not lay? can they not lay?
V-ing form
can I not be laying? can you not be laying? can he not be laying? can we not be laying? can you not be laying? can they not be laying?
Perfect
can I not have laid? can you not have laid? can he not have laid? can we not have laid? can you not have laid? can they not have laid?
V-ing perfect
can I not have been laying? can you not have been laying? can he not have been laying? can we not have been laying? can you not have been laying? can they not have been laying?