English verb conjugation
MUST OVERVALUE

Regular verb: overvalue - overvalued - overvalued

Affirmation

Simple form	V-ing form
I must overvalue you must overvalue she must overvalue we must overvalue you must overvalue they must overvalue	I must be overvaluing you must be overvaluing she must be overvaluing we must be overvaluing you must be overvaluing they must be overvaluing
Perfect	V-ing perfect
I must have overvalued you must have overvalued she must have overvalued we must have overvalued you must have overvalued they must have overvalued	I must have been overvaluing you must have been overvaluing she must have been overvaluing we must have been overvaluing you must have been overvaluing they must have been overvaluing

Negation

Simple form	V-ing form
I mustn't overvalue you mustn't overvalue she mustn't overvalue we mustn't overvalue you mustn't overvalue they mustn't overvalue	I mustn't be overvaluing you mustn't be overvaluing she mustn't be overvaluing we mustn't be overvaluing you mustn't be overvaluing they mustn't be overvaluing
Perfect	V-ing perfect
I mustn't have overvalued you mustn't have overvalued she mustn't have overvalued we mustn't have overvalued you mustn't have overvalued they mustn't have overvalued	I mustn't have been overvaluing you mustn't have been overvaluing she mustn't have been overvaluing we mustn't have been overvaluing you mustn't have been overvaluing they mustn't have been overvaluing

Interrogative form

Simple form	V-ing form
must I overvalue? must you overvalue? must she overvalue? must we overvalue? must you overvalue? must they overvalue?	must I be overvaluing? must you be overvaluing? must she be overvaluing? must we be overvaluing? must you be overvaluing? must they be overvaluing?
Perfect	V-ing perfect
must I have overvalued? must you have overvalued? must she have overvalued? must we have overvalued? must you have overvalued? must they have overvalued?	must I have been overvaluing? must you have been overvaluing? must she have been overvaluing? must we have been overvaluing? must you have been overvaluing? must they have been overvaluing?

Interro-negative form

Simple form	V-ing form
mustn't I overvalue? mustn't you overvalue? mustn't she overvalue? mustn't we overvalue? mustn't you overvalue? mustn't they overvalue?	mustn't I be overvaluing? mustn't you be overvaluing? mustn't she be overvaluing? mustn't we be overvaluing? mustn't you be overvaluing? mustn't they be overvaluing?
Perfect	V-ing perfect
mustn't I have overvalued? mustn't you have overvalued? mustn't she have overvalued? mustn't we have overvalued? mustn't you have overvalued? mustn't they have overvalued?	mustn't I have been overvaluing? mustn't you have been overvaluing? mustn't she have been overvaluing? mustn't we have been overvaluing? mustn't you have been overvaluing? mustn't they have been overvaluing?