English verb conjugation
MUST CHAMP

Regular verb: champ - champed - champed

Affirmation

Simple form	V-ing form
I must champ you must champ he must champ we must champ you must champ they must champ	I must be champing you must be champing he must be champing we must be champing you must be champing they must be champing
Perfect	V-ing perfect
I must have champed you must have champed he must have champed we must have champed you must have champed they must have champed	I must have been champing you must have been champing he must have been champing we must have been champing you must have been champing they must have been champing

Negation

Simple form	V-ing form
I must not champ you must not champ he must not champ we must not champ you must not champ they must not champ	I must not be champing you must not be champing he must not be champing we must not be champing you must not be champing they must not be champing
Perfect	V-ing perfect
I must not have champed you must not have champed he must not have champed we must not have champed you must not have champed they must not have champed	I must not have been champing you must not have been champing he must not have been champing we must not have been champing you must not have been champing they must not have been champing

Interrogative form

Simple form	V-ing form
must I champ? must you champ? must he champ? must we champ? must you champ? must they champ?	must I be champing? must you be champing? must he be champing? must we be champing? must you be champing? must they be champing?
Perfect	V-ing perfect
must I have champed? must you have champed? must he have champed? must we have champed? must you have champed? must they have champed?	must I have been champing? must you have been champing? must he have been champing? must we have been champing? must you have been champing? must they have been champing?

Interro-negative form

Simple form	V-ing form
must I not champ? must you not champ? must he not champ? must we not champ? must you not champ? must they not champ?	must I not be champing? must you not be champing? must he not be champing? must we not be champing? must you not be champing? must they not be champing?
Perfect	V-ing perfect
must I not have champed? must you not have champed? must he not have champed? must we not have champed? must you not have champed? must they not have champed?	must I not have been champing? must you not have been champing? must he not have been champing? must we not have been champing? must you not have been champing? must they not have been champing?