English verb conjugation
MUST OUTPUPIL

Regular verb: outpupil - outpupiled - outpupiled

Affirmation

Simple form	V-ing form
I must outpupil you must outpupil he must outpupil we must outpupil you must outpupil they must outpupil	I must be outpupiling you must be outpupiling he must be outpupiling we must be outpupiling you must be outpupiling they must be outpupiling
Perfect	V-ing perfect
I must have outpupiled you must have outpupiled he must have outpupiled we must have outpupiled you must have outpupiled they must have outpupiled	I must have been outpupiling you must have been outpupiling he must have been outpupiling we must have been outpupiling you must have been outpupiling they must have been outpupiling

Negation

Simple form	V-ing form
I mustn't outpupil you mustn't outpupil he mustn't outpupil we mustn't outpupil you mustn't outpupil they mustn't outpupil	I mustn't be outpupiling you mustn't be outpupiling he mustn't be outpupiling we mustn't be outpupiling you mustn't be outpupiling they mustn't be outpupiling
Perfect	V-ing perfect
I mustn't have outpupiled you mustn't have outpupiled he mustn't have outpupiled we mustn't have outpupiled you mustn't have outpupiled they mustn't have outpupiled	I mustn't have been outpupiling you mustn't have been outpupiling he mustn't have been outpupiling we mustn't have been outpupiling you mustn't have been outpupiling they mustn't have been outpupiling

Interrogative form

Simple form	V-ing form
must I outpupil? must you outpupil? must he outpupil? must we outpupil? must you outpupil? must they outpupil?	must I be outpupiling? must you be outpupiling? must he be outpupiling? must we be outpupiling? must you be outpupiling? must they be outpupiling?
Perfect	V-ing perfect
must I have outpupiled? must you have outpupiled? must he have outpupiled? must we have outpupiled? must you have outpupiled? must they have outpupiled?	must I have been outpupiling? must you have been outpupiling? must he have been outpupiling? must we have been outpupiling? must you have been outpupiling? must they have been outpupiling?

Interro-negative form

Simple form	V-ing form
mustn't I outpupil? mustn't you outpupil? mustn't he outpupil? mustn't we outpupil? mustn't you outpupil? mustn't they outpupil?	mustn't I be outpupiling? mustn't you be outpupiling? mustn't he be outpupiling? mustn't we be outpupiling? mustn't you be outpupiling? mustn't they be outpupiling?
Perfect	V-ing perfect
mustn't I have outpupiled? mustn't you have outpupiled? mustn't he have outpupiled? mustn't we have outpupiled? mustn't you have outpupiled? mustn't they have outpupiled?	mustn't I have been outpupiling? mustn't you have been outpupiling? mustn't he have been outpupiling? mustn't we have been outpupiling? mustn't you have been outpupiling? mustn't they have been outpupiling?