English verb conjugation
MUST OCTUPLE

Regular verb: octuple - octupled - octupled

Affirmation

Simple form	V-ing form
I must octuple you must octuple she must octuple we must octuple you must octuple they must octuple	I must be octupling you must be octupling she must be octupling we must be octupling you must be octupling they must be octupling
Perfect	V-ing perfect
I must have octupled you must have octupled she must have octupled we must have octupled you must have octupled they must have octupled	I must have been octupling you must have been octupling she must have been octupling we must have been octupling you must have been octupling they must have been octupling

Negation

Simple form	V-ing form
I mustn't octuple you mustn't octuple she mustn't octuple we mustn't octuple you mustn't octuple they mustn't octuple	I mustn't be octupling you mustn't be octupling she mustn't be octupling we mustn't be octupling you mustn't be octupling they mustn't be octupling
Perfect	V-ing perfect
I mustn't have octupled you mustn't have octupled she mustn't have octupled we mustn't have octupled you mustn't have octupled they mustn't have octupled	I mustn't have been octupling you mustn't have been octupling she mustn't have been octupling we mustn't have been octupling you mustn't have been octupling they mustn't have been octupling

Interrogative form

Simple form	V-ing form
must I octuple? must you octuple? must she octuple? must we octuple? must you octuple? must they octuple?	must I be octupling? must you be octupling? must she be octupling? must we be octupling? must you be octupling? must they be octupling?
Perfect	V-ing perfect
must I have octupled? must you have octupled? must she have octupled? must we have octupled? must you have octupled? must they have octupled?	must I have been octupling? must you have been octupling? must she have been octupling? must we have been octupling? must you have been octupling? must they have been octupling?

Interro-negative form

Simple form	V-ing form
mustn't I octuple? mustn't you octuple? mustn't she octuple? mustn't we octuple? mustn't you octuple? mustn't they octuple?	mustn't I be octupling? mustn't you be octupling? mustn't she be octupling? mustn't we be octupling? mustn't you be octupling? mustn't they be octupling?
Perfect	V-ing perfect
mustn't I have octupled? mustn't you have octupled? mustn't she have octupled? mustn't we have octupled? mustn't you have octupled? mustn't they have octupled?	mustn't I have been octupling? mustn't you have been octupling? mustn't she have been octupling? mustn't we have been octupling? mustn't you have been octupling? mustn't they have been octupling?