English verb conjugation
MUST SUPERSEDE

Regular verb: supersede - superseded - superseded

Affirmation

Simple form	V-ing form
I must supersede you must supersede he must supersede we must supersede you must supersede they must supersede	I must be superseding you must be superseding he must be superseding we must be superseding you must be superseding they must be superseding
Perfect	V-ing perfect
I must have superseded you must have superseded he must have superseded we must have superseded you must have superseded they must have superseded	I must have been superseding you must have been superseding he must have been superseding we must have been superseding you must have been superseding they must have been superseding

Negation

Simple form	V-ing form
I must not supersede you must not supersede he must not supersede we must not supersede you must not supersede they must not supersede	I must not be superseding you must not be superseding he must not be superseding we must not be superseding you must not be superseding they must not be superseding
Perfect	V-ing perfect
I must not have superseded you must not have superseded he must not have superseded we must not have superseded you must not have superseded they must not have superseded	I must not have been superseding you must not have been superseding he must not have been superseding we must not have been superseding you must not have been superseding they must not have been superseding

Interrogative form

Simple form	V-ing form
must I supersede? must you supersede? must he supersede? must we supersede? must you supersede? must they supersede?	must I be superseding? must you be superseding? must he be superseding? must we be superseding? must you be superseding? must they be superseding?
Perfect	V-ing perfect
must I have superseded? must you have superseded? must he have superseded? must we have superseded? must you have superseded? must they have superseded?	must I have been superseding? must you have been superseding? must he have been superseding? must we have been superseding? must you have been superseding? must they have been superseding?

Interro-negative form

Simple form	V-ing form
must I not supersede? must you not supersede? must he not supersede? must we not supersede? must you not supersede? must they not supersede?	must I not be superseding? must you not be superseding? must he not be superseding? must we not be superseding? must you not be superseding? must they not be superseding?
Perfect	V-ing perfect
must I not have superseded? must you not have superseded? must he not have superseded? must we not have superseded? must you not have superseded? must they not have superseded?	must I not have been superseding? must you not have been superseding? must he not have been superseding? must we not have been superseding? must you not have been superseding? must they not have been superseding?