English verb conjugation
MUST INFINITIF

Regular verb: infinitif - infinitifed - infinitifed

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form	V-ing form
I must infinitif you must infinitif he must infinitif we must infinitif you must infinitif they must infinitif	I must be infinitifing you must be infinitifing he must be infinitifing we must be infinitifing you must be infinitifing they must be infinitifing
Perfect	V-ing perfect
I must have infinitifed you must have infinitifed he must have infinitifed we must have infinitifed you must have infinitifed they must have infinitifed	I must have been infinitifing you must have been infinitifing he must have been infinitifing we must have been infinitifing you must have been infinitifing they must have been infinitifing

Negation

Simple form	V-ing form
I must not infinitif you must not infinitif he must not infinitif we must not infinitif you must not infinitif they must not infinitif	I must not be infinitifing you must not be infinitifing he must not be infinitifing we must not be infinitifing you must not be infinitifing they must not be infinitifing
Perfect	V-ing perfect
I must not have infinitifed you must not have infinitifed he must not have infinitifed we must not have infinitifed you must not have infinitifed they must not have infinitifed	I must not have been infinitifing you must not have been infinitifing he must not have been infinitifing we must not have been infinitifing you must not have been infinitifing they must not have been infinitifing

Interrogative form

Simple form	V-ing form
must I infinitif? must you infinitif? must he infinitif? must we infinitif? must you infinitif? must they infinitif?	must I be infinitifing? must you be infinitifing? must he be infinitifing? must we be infinitifing? must you be infinitifing? must they be infinitifing?
Perfect	V-ing perfect
must I have infinitifed? must you have infinitifed? must he have infinitifed? must we have infinitifed? must you have infinitifed? must they have infinitifed?	must I have been infinitifing? must you have been infinitifing? must he have been infinitifing? must we have been infinitifing? must you have been infinitifing? must they have been infinitifing?

Interro-negative form

Simple form	V-ing form
must I not infinitif? must you not infinitif? must he not infinitif? must we not infinitif? must you not infinitif? must they not infinitif?	must I not be infinitifing? must you not be infinitifing? must he not be infinitifing? must we not be infinitifing? must you not be infinitifing? must they not be infinitifing?
Perfect	V-ing perfect
must I not have infinitifed? must you not have infinitifed? must he not have infinitifed? must we not have infinitifed? must you not have infinitifed? must they not have infinitifed?	must I not have been infinitifing? must you not have been infinitifing? must he not have been infinitifing? must we not have been infinitifing? must you not have been infinitifing? must they not have been infinitifing?