English verb conjugation
COULD OVERLIE

Irregular verb: overlie - overlay - overlain

Affirmation

Simple form	V-ing form
I could overlie you could overlie she could overlie we could overlie you could overlie they could overlie	I could be overlying you could be overlying she 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 she 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 she 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 she 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 she 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 she 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 she 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 she overlie? could we overlie? could you overlie? could they overlie?	could I be overlying? could you be overlying? could she 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 she 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 she 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 she 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 she 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 she 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 she have been overlying? couldn't we have been overlying? couldn't you have been overlying? couldn't they have been overlying?