can overlay
Irregular verb: overlay - overlaid- overlaid

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can overlay
you can overlay
he can overlay
we can overlay
you can overlay
they can overlay 	I can be overlaying
you can be overlaying
he can be overlaying
we can be overlaying
you can be overlaying
they can be overlaying	I can have overlaid
you can have overlaid
he can have overlaid
we can have overlaid
you can have overlaid
they can have overlaid	I can have been overlaying
you can have been overlaying
he can have been overlaying
we can have been overlaying
you can have been overlaying
they can have been overlaying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot overlay
you cannot overlay
he cannot overlay
we cannot overlay
you cannot overlay
they cannot overlay 	I cannot be overlaying
you cannot be overlaying
he cannot be overlaying
we cannot be overlaying
you cannot be overlaying
they cannot be overlaying	I cannot have overlaid
you cannot have overlaid
he cannot have overlaid
we cannot have overlaid
you cannot have overlaid
they cannot have overlaid	I cannot have been overlaying
you cannot have been overlaying
he cannot have been overlaying
we cannot have been overlaying
you cannot have been overlaying
they cannot have been overlaying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I overlay?
can you overlay?
can he overlay?
can we overlay?
can you overlay?
can they overlay? 	can I be overlaying?
can you be overlaying?
can he be overlaying?
can we be overlaying?
can you be overlaying?
can they be overlaying? 	can I have overlaid?
can you have overlaid?
can he have overlaid?
can we have overlaid?
can you have overlaid?
can they have overlaid? 	can I have been overlaying?
can you have been overlaying?
can he have been overlaying?
can we have been overlaying?
can you have been overlaying?
can they have been overlaying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not overlay?
can you not overlay?
can he not overlay?
can we not overlay?
can you not overlay?
can they not overlay? 	can I not be overlaying?
can you not be overlaying?
can he not be overlaying?
can we not be overlaying?
can you not be overlaying?
can they not be overlaying? 	can I not have overlaid?
can you not have overlaid?
can he not have overlaid?
can we not have overlaid?
can you not have overlaid?
can they not have overlaid? 	can I not have been overlaying?
can you not have been overlaying?
can he not have been overlaying?
can we not have been overlaying?
can you not have been overlaying?
can they not have been overlaying?