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