English verb conjugation
MUST POWWOW

Regular verb: powwow - powwowed - powwowed

Affirmation

Simple form	V-ing form
I must powwow you must powwow he must powwow we must powwow you must powwow they must powwow	I must be powwowing you must be powwowing he must be powwowing we must be powwowing you must be powwowing they must be powwowing
Perfect	V-ing perfect
I must have powwowed you must have powwowed he must have powwowed we must have powwowed you must have powwowed they must have powwowed	I must have been powwowing you must have been powwowing he must have been powwowing we must have been powwowing you must have been powwowing they must have been powwowing

Negation

Simple form	V-ing form
I mustn't powwow you mustn't powwow he mustn't powwow we mustn't powwow you mustn't powwow they mustn't powwow	I mustn't be powwowing you mustn't be powwowing he mustn't be powwowing we mustn't be powwowing you mustn't be powwowing they mustn't be powwowing
Perfect	V-ing perfect
I mustn't have powwowed you mustn't have powwowed he mustn't have powwowed we mustn't have powwowed you mustn't have powwowed they mustn't have powwowed	I mustn't have been powwowing you mustn't have been powwowing he mustn't have been powwowing we mustn't have been powwowing you mustn't have been powwowing they mustn't have been powwowing

Interrogative form

Simple form	V-ing form
must I powwow? must you powwow? must he powwow? must we powwow? must you powwow? must they powwow?	must I be powwowing? must you be powwowing? must he be powwowing? must we be powwowing? must you be powwowing? must they be powwowing?
Perfect	V-ing perfect
must I have powwowed? must you have powwowed? must he have powwowed? must we have powwowed? must you have powwowed? must they have powwowed?	must I have been powwowing? must you have been powwowing? must he have been powwowing? must we have been powwowing? must you have been powwowing? must they have been powwowing?

Interro-negative form

Simple form	V-ing form
mustn't I powwow? mustn't you powwow? mustn't he powwow? mustn't we powwow? mustn't you powwow? mustn't they powwow?	mustn't I be powwowing? mustn't you be powwowing? mustn't he be powwowing? mustn't we be powwowing? mustn't you be powwowing? mustn't they be powwowing?
Perfect	V-ing perfect
mustn't I have powwowed? mustn't you have powwowed? mustn't he have powwowed? mustn't we have powwowed? mustn't you have powwowed? mustn't they have powwowed?	mustn't I have been powwowing? mustn't you have been powwowing? mustn't he have been powwowing? mustn't we have been powwowing? mustn't you have been powwowing? mustn't they have been powwowing?