I must originate you must originate he must originate we must originate you must originate they must originate
V-ing form
I must be originating you must be originating he must be originating we must be originating you must be originating they must be originating
Perfect
I must have originated you must have originated he must have originated we must have originated you must have originated they must have originated
V-ing perfect
I must have been originating you must have been originating he must have been originating we must have been originating you must have been originating they must have been originating
Negation
Simple form
I must not originate you must not originate he must not originate we must not originate you must not originate they must not originate
V-ing form
I must not be originating you must not be originating he must not be originating we must not be originating you must not be originating they must not be originating
Perfect
I must not have originated you must not have originated he must not have originated we must not have originated you must not have originated they must not have originated
V-ing perfect
I must not have been originating you must not have been originating he must not have been originating we must not have been originating you must not have been originating they must not have been originating
Interrogative form
Simple form
must I originate? must you originate? must he originate? must we originate? must you originate? must they originate?
V-ing form
must I be originating? must you be originating? must he be originating? must we be originating? must you be originating? must they be originating?
Perfect
must I have originated? must you have originated? must he have originated? must we have originated? must you have originated? must they have originated?
V-ing perfect
must I have been originating? must you have been originating? must he have been originating? must we have been originating? must you have been originating? must they have been originating?
Interro-negative form
Simple form
must I not originate? must you not originate? must he not originate? must we not originate? must you not originate? must they not originate?
V-ing form
must I not be originating? must you not be originating? must he not be originating? must we not be originating? must you not be originating? must they not be originating?
Perfect
must I not have originated? must you not have originated? must he not have originated? must we not have originated? must you not have originated? must they not have originated?
V-ing perfect
must I not have been originating? must you not have been originating? must he not have been originating? must we not have been originating? must you not have been originating? must they not have been originating?