English verb conjugation
MUST CHAMP

Regular verb: champ - champed - champed

Affirmation

Simple form	V-ing form
I must champ you must champ she must champ we must champ you must champ they must champ	I must be champing you must be champing she 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 she 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 she 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 mustn't champ you mustn't champ she mustn't champ we mustn't champ you mustn't champ they mustn't champ	I mustn't be champing you mustn't be champing she mustn't be champing we mustn't be champing you mustn't be champing they mustn't be champing
Perfect	V-ing perfect
I mustn't have champed you mustn't have champed she mustn't have champed we mustn't have champed you mustn't have champed they mustn't have champed	I mustn't have been champing you mustn't have been champing she mustn't have been champing we mustn't have been champing you mustn't have been champing they mustn't have been champing

Interrogative form

Simple form	V-ing form
must I champ? must you champ? must she champ? must we champ? must you champ? must they champ?	must I be champing? must you be champing? must she 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 she 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 she 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
mustn't I champ? mustn't you champ? mustn't she champ? mustn't we champ? mustn't you champ? mustn't they champ?	mustn't I be champing? mustn't you be champing? mustn't she be champing? mustn't we be champing? mustn't you be champing? mustn't they be champing?
Perfect	V-ing perfect
mustn't I have champed? mustn't you have champed? mustn't she have champed? mustn't we have champed? mustn't you have champed? mustn't they have champed?	mustn't I have been champing? mustn't you have been champing? mustn't she have been champing? mustn't we have been champing? mustn't you have been champing? mustn't they have been champing?