English verb conjugation
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Regular verb: premier - premiered - premiered

Affirmation

Simple form	V-ing form
I must premier you must premier she must premier we must premier you must premier they must premier	I must be premiering you must be premiering she must be premiering we must be premiering you must be premiering they must be premiering
Perfect	V-ing perfect
I must have premiered you must have premiered she must have premiered we must have premiered you must have premiered they must have premiered	I must have been premiering you must have been premiering she must have been premiering we must have been premiering you must have been premiering they must have been premiering

Negation

Simple form	V-ing form
I mustn't premier you mustn't premier she mustn't premier we mustn't premier you mustn't premier they mustn't premier	I mustn't be premiering you mustn't be premiering she mustn't be premiering we mustn't be premiering you mustn't be premiering they mustn't be premiering
Perfect	V-ing perfect
I mustn't have premiered you mustn't have premiered she mustn't have premiered we mustn't have premiered you mustn't have premiered they mustn't have premiered	I mustn't have been premiering you mustn't have been premiering she mustn't have been premiering we mustn't have been premiering you mustn't have been premiering they mustn't have been premiering

Interrogative form

Simple form	V-ing form
must I premier? must you premier? must she premier? must we premier? must you premier? must they premier?	must I be premiering? must you be premiering? must she be premiering? must we be premiering? must you be premiering? must they be premiering?
Perfect	V-ing perfect
must I have premiered? must you have premiered? must she have premiered? must we have premiered? must you have premiered? must they have premiered?	must I have been premiering? must you have been premiering? must she have been premiering? must we have been premiering? must you have been premiering? must they have been premiering?

Interro-negative form

Simple form	V-ing form
mustn't I premier? mustn't you premier? mustn't she premier? mustn't we premier? mustn't you premier? mustn't they premier?	mustn't I be premiering? mustn't you be premiering? mustn't she be premiering? mustn't we be premiering? mustn't you be premiering? mustn't they be premiering?
Perfect	V-ing perfect
mustn't I have premiered? mustn't you have premiered? mustn't she have premiered? mustn't we have premiered? mustn't you have premiered? mustn't they have premiered?	mustn't I have been premiering? mustn't you have been premiering? mustn't she have been premiering? mustn't we have been premiering? mustn't you have been premiering? mustn't they have been premiering?