English verb conjugation
MUST CAPER

Regular verb: caper - capered - capered

Affirmation

Simple form	V-ing form
I must caper you must caper he must caper we must caper you must caper they must caper	I must be capering you must be capering he must be capering we must be capering you must be capering they must be capering
Perfect	V-ing perfect
I must have capered you must have capered he must have capered we must have capered you must have capered they must have capered	I must have been capering you must have been capering he must have been capering we must have been capering you must have been capering they must have been capering

Negation

Simple form	V-ing form
I mustn't caper you mustn't caper he mustn't caper we mustn't caper you mustn't caper they mustn't caper	I mustn't be capering you mustn't be capering he mustn't be capering we mustn't be capering you mustn't be capering they mustn't be capering
Perfect	V-ing perfect
I mustn't have capered you mustn't have capered he mustn't have capered we mustn't have capered you mustn't have capered they mustn't have capered	I mustn't have been capering you mustn't have been capering he mustn't have been capering we mustn't have been capering you mustn't have been capering they mustn't have been capering

Interrogative form

Simple form	V-ing form
must I caper? must you caper? must he caper? must we caper? must you caper? must they caper?	must I be capering? must you be capering? must he be capering? must we be capering? must you be capering? must they be capering?
Perfect	V-ing perfect
must I have capered? must you have capered? must he have capered? must we have capered? must you have capered? must they have capered?	must I have been capering? must you have been capering? must he have been capering? must we have been capering? must you have been capering? must they have been capering?

Interro-negative form

Simple form	V-ing form
mustn't I caper? mustn't you caper? mustn't he caper? mustn't we caper? mustn't you caper? mustn't they caper?	mustn't I be capering? mustn't you be capering? mustn't he be capering? mustn't we be capering? mustn't you be capering? mustn't they be capering?
Perfect	V-ing perfect
mustn't I have capered? mustn't you have capered? mustn't he have capered? mustn't we have capered? mustn't you have capered? mustn't they have capered?	mustn't I have been capering? mustn't you have been capering? mustn't he have been capering? mustn't we have been capering? mustn't you have been capering? mustn't they have been capering?