English verb conjugation
MUST POWER

Regular verb: power - powered - powered

Affirmation

Simple form	V-ing form
I must power you must power she must power we must power you must power they must power	I must be powering you must be powering she must be powering we must be powering you must be powering they must be powering
Perfect	V-ing perfect
I must have powered you must have powered she must have powered we must have powered you must have powered they must have powered	I must have been powering you must have been powering she must have been powering we must have been powering you must have been powering they must have been powering

Negation

Simple form	V-ing form
I mustn't power you mustn't power she mustn't power we mustn't power you mustn't power they mustn't power	I mustn't be powering you mustn't be powering she mustn't be powering we mustn't be powering you mustn't be powering they mustn't be powering
Perfect	V-ing perfect
I mustn't have powered you mustn't have powered she mustn't have powered we mustn't have powered you mustn't have powered they mustn't have powered	I mustn't have been powering you mustn't have been powering she mustn't have been powering we mustn't have been powering you mustn't have been powering they mustn't have been powering

Interrogative form

Simple form	V-ing form
must I power? must you power? must she power? must we power? must you power? must they power?	must I be powering? must you be powering? must she be powering? must we be powering? must you be powering? must they be powering?
Perfect	V-ing perfect
must I have powered? must you have powered? must she have powered? must we have powered? must you have powered? must they have powered?	must I have been powering? must you have been powering? must she have been powering? must we have been powering? must you have been powering? must they have been powering?

Interro-negative form

Simple form	V-ing form
mustn't I power? mustn't you power? mustn't she power? mustn't we power? mustn't you power? mustn't they power?	mustn't I be powering? mustn't you be powering? mustn't she be powering? mustn't we be powering? mustn't you be powering? mustn't they be powering?
Perfect	V-ing perfect
mustn't I have powered? mustn't you have powered? mustn't she have powered? mustn't we have powered? mustn't you have powered? mustn't they have powered?	mustn't I have been powering? mustn't you have been powering? mustn't she have been powering? mustn't we have been powering? mustn't you have been powering? mustn't they have been powering?