English verb conjugation
MUST OVERLIE

Irregular verb: overlie - overlay - overlain

Affirmation

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

Negation

Simple form	V-ing form
I must not overlie you must not overlie he must not overlie we must not overlie you must not overlie they must not overlie	I must not be overlying you must not be overlying he must not be overlying we must not be overlying you must not be overlying they must not be overlying
Perfect	V-ing perfect
I must not have overlain you must not have overlain he must not have overlain we must not have overlain you must not have overlain they must not have overlain	I must not have been overlying you must not have been overlying he must not have been overlying we must not have been overlying you must not have been overlying they must not have been overlying

Interrogative form

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

Interro-negative form

Simple form	V-ing form
must I not overlie? must you not overlie? must he not overlie? must we not overlie? must you not overlie? must they not overlie?	must I not be overlying? must you not be overlying? must he not be overlying? must we not be overlying? must you not be overlying? must they not be overlying?
Perfect	V-ing perfect
must I not have overlain? must you not have overlain? must he not have overlain? must we not have overlain? must you not have overlain? must they not have overlain?	must I not have been overlying? must you not have been overlying? must he not have been overlying? must we not have been overlying? must you not have been overlying? must they not have been overlying?