male gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to
English verb conjugation MUST UNDERVALUE
Regular verb: undervalue - undervalued - undervalued
Affirmation
Simple form
I must undervalueyou must undervalue
she must undervalue
we must undervalue
you must undervalue
they must undervalue
V-ing form
I must be undervaluingyou must be undervaluing
she must be undervaluing
we must be undervaluing
you must be undervaluing
they must be undervaluing
Perfect
I must have undervaluedyou must have undervalued
she must have undervalued
we must have undervalued
you must have undervalued
they must have undervalued
V-ing perfect
I must have been undervaluingyou must have been undervaluing
she must have been undervaluing
we must have been undervaluing
you must have been undervaluing
they must have been undervaluing
Negation
Simple form
I mustn't undervalueyou mustn't undervalue
she mustn't undervalue
we mustn't undervalue
you mustn't undervalue
they mustn't undervalue
V-ing form
I mustn't be undervaluingyou mustn't be undervaluing
she mustn't be undervaluing
we mustn't be undervaluing
you mustn't be undervaluing
they mustn't be undervaluing
Perfect
I mustn't have undervaluedyou mustn't have undervalued
she mustn't have undervalued
we mustn't have undervalued
you mustn't have undervalued
they mustn't have undervalued
V-ing perfect
I mustn't have been undervaluingyou mustn't have been undervaluing
she mustn't have been undervaluing
we mustn't have been undervaluing
you mustn't have been undervaluing
they mustn't have been undervaluing
Interrogative form
Simple form
must I undervalue?must you undervalue?
must she undervalue?
must we undervalue?
must you undervalue?
must they undervalue?
V-ing form
must I be undervaluing?must you be undervaluing?
must she be undervaluing?
must we be undervaluing?
must you be undervaluing?
must they be undervaluing?
Perfect
must I have undervalued?must you have undervalued?
must she have undervalued?
must we have undervalued?
must you have undervalued?
must they have undervalued?
V-ing perfect
must I have been undervaluing?must you have been undervaluing?
must she have been undervaluing?
must we have been undervaluing?
must you have been undervaluing?
must they have been undervaluing?
Interro-negative form
Simple form
mustn't I undervalue?mustn't you undervalue?
mustn't she undervalue?
mustn't we undervalue?
mustn't you undervalue?
mustn't they undervalue?
V-ing form
mustn't I be undervaluing?mustn't you be undervaluing?
mustn't she be undervaluing?
mustn't we be undervaluing?
mustn't you be undervaluing?
mustn't they be undervaluing?
Perfect
mustn't I have undervalued?mustn't you have undervalued?
mustn't she have undervalued?
mustn't we have undervalued?
mustn't you have undervalued?
mustn't they have undervalued?
V-ing perfect
mustn't I have been undervaluing?mustn't you have been undervaluing?
mustn't she have been undervaluing?
mustn't we have been undervaluing?
mustn't you have been undervaluing?
mustn't they have been undervaluing?