English verb conjugation
MUST INFLECT

Regular verb: inflect - inflected - inflected

Affirmation

Simple form	V-ing form
I must inflect you must inflect he must inflect we must inflect you must inflect they must inflect	I must be inflecting you must be inflecting he must be inflecting we must be inflecting you must be inflecting they must be inflecting
Perfect	V-ing perfect
I must have inflected you must have inflected he must have inflected we must have inflected you must have inflected they must have inflected	I must have been inflecting you must have been inflecting he must have been inflecting we must have been inflecting you must have been inflecting they must have been inflecting

Negation

Simple form	V-ing form
I must not inflect you must not inflect he must not inflect we must not inflect you must not inflect they must not inflect	I must not be inflecting you must not be inflecting he must not be inflecting we must not be inflecting you must not be inflecting they must not be inflecting
Perfect	V-ing perfect
I must not have inflected you must not have inflected he must not have inflected we must not have inflected you must not have inflected they must not have inflected	I must not have been inflecting you must not have been inflecting he must not have been inflecting we must not have been inflecting you must not have been inflecting they must not have been inflecting

Interrogative form

Simple form	V-ing form
must I inflect? must you inflect? must he inflect? must we inflect? must you inflect? must they inflect?	must I be inflecting? must you be inflecting? must he be inflecting? must we be inflecting? must you be inflecting? must they be inflecting?
Perfect	V-ing perfect
must I have inflected? must you have inflected? must he have inflected? must we have inflected? must you have inflected? must they have inflected?	must I have been inflecting? must you have been inflecting? must he have been inflecting? must we have been inflecting? must you have been inflecting? must they have been inflecting?

Interro-negative form

Simple form	V-ing form
must I not inflect? must you not inflect? must he not inflect? must we not inflect? must you not inflect? must they not inflect?	must I not be inflecting? must you not be inflecting? must he not be inflecting? must we not be inflecting? must you not be inflecting? must they not be inflecting?
Perfect	V-ing perfect
must I not have inflected? must you not have inflected? must he not have inflected? must we not have inflected? must you not have inflected? must they not have inflected?	must I not have been inflecting? must you not have been inflecting? must he not have been inflecting? must we not have been inflecting? must you not have been inflecting? must they not have been inflecting?