English verb conjugation
MUST WIN

Irregular verb: win - won - won

Affirmation

Simple form	V-ing form
I must win you must win she must win we must win you must win they must win	I must be winning you must be winning she must be winning we must be winning you must be winning they must be winning
Perfect	V-ing perfect
I must have won you must have won she must have won we must have won you must have won they must have won	I must have been winning you must have been winning she must have been winning we must have been winning you must have been winning they must have been winning

Negation

Simple form	V-ing form
I mustn't win you mustn't win she mustn't win we mustn't win you mustn't win they mustn't win	I mustn't be winning you mustn't be winning she mustn't be winning we mustn't be winning you mustn't be winning they mustn't be winning
Perfect	V-ing perfect
I mustn't have won you mustn't have won she mustn't have won we mustn't have won you mustn't have won they mustn't have won	I mustn't have been winning you mustn't have been winning she mustn't have been winning we mustn't have been winning you mustn't have been winning they mustn't have been winning

Interrogative form

Simple form	V-ing form
must I win? must you win? must she win? must we win? must you win? must they win?	must I be winning? must you be winning? must she be winning? must we be winning? must you be winning? must they be winning?
Perfect	V-ing perfect
must I have won? must you have won? must she have won? must we have won? must you have won? must they have won?	must I have been winning? must you have been winning? must she have been winning? must we have been winning? must you have been winning? must they have been winning?

Interro-negative form

Simple form	V-ing form
mustn't I win? mustn't you win? mustn't she win? mustn't we win? mustn't you win? mustn't they win?	mustn't I be winning? mustn't you be winning? mustn't she be winning? mustn't we be winning? mustn't you be winning? mustn't they be winning?
Perfect	V-ing perfect
mustn't I have won? mustn't you have won? mustn't she have won? mustn't we have won? mustn't you have won? mustn't they have won?	mustn't I have been winning? mustn't you have been winning? mustn't she have been winning? mustn't we have been winning? mustn't you have been winning? mustn't they have been winning?