English verb conjugation
MUST CAP

Regular verb: cap - capped - capped

Affirmation

Simple form	V-ing form
I must cap you must cap she must cap we must cap you must cap they must cap	I must be capping you must be capping she must be capping we must be capping you must be capping they must be capping
Perfect	V-ing perfect
I must have capped you must have capped she must have capped we must have capped you must have capped they must have capped	I must have been capping you must have been capping she must have been capping we must have been capping you must have been capping they must have been capping

Negation

Simple form	V-ing form
I mustn't cap you mustn't cap she mustn't cap we mustn't cap you mustn't cap they mustn't cap	I mustn't be capping you mustn't be capping she mustn't be capping we mustn't be capping you mustn't be capping they mustn't be capping
Perfect	V-ing perfect
I mustn't have capped you mustn't have capped she mustn't have capped we mustn't have capped you mustn't have capped they mustn't have capped	I mustn't have been capping you mustn't have been capping she mustn't have been capping we mustn't have been capping you mustn't have been capping they mustn't have been capping

Interrogative form

Simple form	V-ing form
must I cap? must you cap? must she cap? must we cap? must you cap? must they cap?	must I be capping? must you be capping? must she be capping? must we be capping? must you be capping? must they be capping?
Perfect	V-ing perfect
must I have capped? must you have capped? must she have capped? must we have capped? must you have capped? must they have capped?	must I have been capping? must you have been capping? must she have been capping? must we have been capping? must you have been capping? must they have been capping?

Interro-negative form

Simple form	V-ing form
mustn't I cap? mustn't you cap? mustn't she cap? mustn't we cap? mustn't you cap? mustn't they cap?	mustn't I be capping? mustn't you be capping? mustn't she be capping? mustn't we be capping? mustn't you be capping? mustn't they be capping?
Perfect	V-ing perfect
mustn't I have capped? mustn't you have capped? mustn't she have capped? mustn't we have capped? mustn't you have capped? mustn't they have capped?	mustn't I have been capping? mustn't you have been capping? mustn't she have been capping? mustn't we have been capping? mustn't you have been capping? mustn't they have been capping?