English verb conjugation
MUST OVERINVEST

Regular verb: overinvest - overinvested - overinvested

Affirmation

Simple form	V-ing form
I must overinvest you must overinvest he must overinvest we must overinvest you must overinvest they must overinvest	I must be overinvesting you must be overinvesting he must be overinvesting we must be overinvesting you must be overinvesting they must be overinvesting
Perfect	V-ing perfect
I must have overinvested you must have overinvested he must have overinvested we must have overinvested you must have overinvested they must have overinvested	I must have been overinvesting you must have been overinvesting he must have been overinvesting we must have been overinvesting you must have been overinvesting they must have been overinvesting

Negation

Simple form	V-ing form
I mustn't overinvest you mustn't overinvest he mustn't overinvest we mustn't overinvest you mustn't overinvest they mustn't overinvest	I mustn't be overinvesting you mustn't be overinvesting he mustn't be overinvesting we mustn't be overinvesting you mustn't be overinvesting they mustn't be overinvesting
Perfect	V-ing perfect
I mustn't have overinvested you mustn't have overinvested he mustn't have overinvested we mustn't have overinvested you mustn't have overinvested they mustn't have overinvested	I mustn't have been overinvesting you mustn't have been overinvesting he mustn't have been overinvesting we mustn't have been overinvesting you mustn't have been overinvesting they mustn't have been overinvesting

Interrogative form

Simple form	V-ing form
must I overinvest? must you overinvest? must he overinvest? must we overinvest? must you overinvest? must they overinvest?	must I be overinvesting? must you be overinvesting? must he be overinvesting? must we be overinvesting? must you be overinvesting? must they be overinvesting?
Perfect	V-ing perfect
must I have overinvested? must you have overinvested? must he have overinvested? must we have overinvested? must you have overinvested? must they have overinvested?	must I have been overinvesting? must you have been overinvesting? must he have been overinvesting? must we have been overinvesting? must you have been overinvesting? must they have been overinvesting?

Interro-negative form

Simple form	V-ing form
mustn't I overinvest? mustn't you overinvest? mustn't he overinvest? mustn't we overinvest? mustn't you overinvest? mustn't they overinvest?	mustn't I be overinvesting? mustn't you be overinvesting? mustn't he be overinvesting? mustn't we be overinvesting? mustn't you be overinvesting? mustn't they be overinvesting?
Perfect	V-ing perfect
mustn't I have overinvested? mustn't you have overinvested? mustn't he have overinvested? mustn't we have overinvested? mustn't you have overinvested? mustn't they have overinvested?	mustn't I have been overinvesting? mustn't you have been overinvesting? mustn't he have been overinvesting? mustn't we have been overinvesting? mustn't you have been overinvesting? mustn't they have been overinvesting?