English verb conjugation
COULD OVERLIE

Irregular verb: overlie - overlay - overlain

Affirmation

Simple form	V-ing form
I could overlie you could overlie he could overlie we could overlie you could overlie they could overlie	I could be overlying you could be overlying he could be overlying we could be overlying you could be overlying they could be overlying
Perfect	V-ing perfect
I could have overlain you could have overlain he could have overlain we could have overlain you could have overlain they could have overlain	I could have been overlying you could have been overlying he could have been overlying we could have been overlying you could have been overlying they could have been overlying

Negation

Simple form	V-ing form
I couldn't overlie you couldn't overlie he couldn't overlie we couldn't overlie you couldn't overlie they couldn't overlie	I couldn't be overlying you couldn't be overlying he couldn't be overlying we couldn't be overlying you couldn't be overlying they couldn't be overlying
Perfect	V-ing perfect
I couldn't have overlain you couldn't have overlain he couldn't have overlain we couldn't have overlain you couldn't have overlain they couldn't have overlain	I couldn't have been overlying you couldn't have been overlying he couldn't have been overlying we couldn't have been overlying you couldn't have been overlying they couldn't have been overlying

Interrogative form

Simple form	V-ing form
could I overlie? could you overlie? could he overlie? could we overlie? could you overlie? could they overlie?	could I be overlying? could you be overlying? could he be overlying? could we be overlying? could you be overlying? could they be overlying?
Perfect	V-ing perfect
could I have overlain? could you have overlain? could he have overlain? could we have overlain? could you have overlain? could they have overlain?	could I have been overlying? could you have been overlying? could he have been overlying? could we have been overlying? could you have been overlying? could they have been overlying?

Interro-negative form

Simple form	V-ing form
couldn't I overlie? couldn't you overlie? couldn't he overlie? couldn't we overlie? couldn't you overlie? couldn't they overlie?	couldn't I be overlying? couldn't you be overlying? couldn't he be overlying? couldn't we be overlying? couldn't you be overlying? couldn't they be overlying?
Perfect	V-ing perfect
couldn't I have overlain? couldn't you have overlain? couldn't he have overlain? couldn't we have overlain? couldn't you have overlain? couldn't they have overlain?	couldn't I have been overlying? couldn't you have been overlying? couldn't he have been overlying? couldn't we have been overlying? couldn't you have been overlying? couldn't they have been overlying?