English verb conjugation
MUST UNDERREPRESENT

Regular verb: underrepresent - underrepresented - underrepresented

Affirmation

Simple form	V-ing form
I must underrepresent you must underrepresent she must underrepresent we must underrepresent you must underrepresent they must underrepresent	I must be underrepresenting you must be underrepresenting she must be underrepresenting we must be underrepresenting you must be underrepresenting they must be underrepresenting
Perfect	V-ing perfect
I must have underrepresented you must have underrepresented she must have underrepresented we must have underrepresented you must have underrepresented they must have underrepresented	I must have been underrepresenting you must have been underrepresenting she must have been underrepresenting we must have been underrepresenting you must have been underrepresenting they must have been underrepresenting

Negation

Simple form	V-ing form
I must not underrepresent you must not underrepresent she must not underrepresent we must not underrepresent you must not underrepresent they must not underrepresent	I must not be underrepresenting you must not be underrepresenting she must not be underrepresenting we must not be underrepresenting you must not be underrepresenting they must not be underrepresenting
Perfect	V-ing perfect
I must not have underrepresented you must not have underrepresented she must not have underrepresented we must not have underrepresented you must not have underrepresented they must not have underrepresented	I must not have been underrepresenting you must not have been underrepresenting she must not have been underrepresenting we must not have been underrepresenting you must not have been underrepresenting they must not have been underrepresenting

Interrogative form

Simple form	V-ing form
must I underrepresent? must you underrepresent? must she underrepresent? must we underrepresent? must you underrepresent? must they underrepresent?	must I be underrepresenting? must you be underrepresenting? must she be underrepresenting? must we be underrepresenting? must you be underrepresenting? must they be underrepresenting?
Perfect	V-ing perfect
must I have underrepresented? must you have underrepresented? must she have underrepresented? must we have underrepresented? must you have underrepresented? must they have underrepresented?	must I have been underrepresenting? must you have been underrepresenting? must she have been underrepresenting? must we have been underrepresenting? must you have been underrepresenting? must they have been underrepresenting?

Interro-negative form

Simple form	V-ing form
must I not underrepresent? must you not underrepresent? must she not underrepresent? must we not underrepresent? must you not underrepresent? must they not underrepresent?	must I not be underrepresenting? must you not be underrepresenting? must she not be underrepresenting? must we not be underrepresenting? must you not be underrepresenting? must they not be underrepresenting?
Perfect	V-ing perfect
must I not have underrepresented? must you not have underrepresented? must she not have underrepresented? must we not have underrepresented? must you not have underrepresented? must they not have underrepresented?	must I not have been underrepresenting? must you not have been underrepresenting? must she not have been underrepresenting? must we not have been underrepresenting? must you not have been underrepresenting? must they not have been underrepresenting?