English verb conjugation
COULD OVERLAY

Irregular verb: overlay - overlaid - overlaid

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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