English verb conjugation
MUST WAG

Regular verb: wag - wagged - wagged

Affirmation

Simple form	V-ing form
I must wag you must wag he must wag we must wag you must wag they must wag	I must be wagging you must be wagging he must be wagging we must be wagging you must be wagging they must be wagging
Perfect	V-ing perfect
I must have wagged you must have wagged he must have wagged we must have wagged you must have wagged they must have wagged	I must have been wagging you must have been wagging he must have been wagging we must have been wagging you must have been wagging they must have been wagging

Negation

Simple form	V-ing form
I mustn't wag you mustn't wag he mustn't wag we mustn't wag you mustn't wag they mustn't wag	I mustn't be wagging you mustn't be wagging he mustn't be wagging we mustn't be wagging you mustn't be wagging they mustn't be wagging
Perfect	V-ing perfect
I mustn't have wagged you mustn't have wagged he mustn't have wagged we mustn't have wagged you mustn't have wagged they mustn't have wagged	I mustn't have been wagging you mustn't have been wagging he mustn't have been wagging we mustn't have been wagging you mustn't have been wagging they mustn't have been wagging

Interrogative form

Simple form	V-ing form
must I wag? must you wag? must he wag? must we wag? must you wag? must they wag?	must I be wagging? must you be wagging? must he be wagging? must we be wagging? must you be wagging? must they be wagging?
Perfect	V-ing perfect
must I have wagged? must you have wagged? must he have wagged? must we have wagged? must you have wagged? must they have wagged?	must I have been wagging? must you have been wagging? must he have been wagging? must we have been wagging? must you have been wagging? must they have been wagging?

Interro-negative form

Simple form	V-ing form
mustn't I wag? mustn't you wag? mustn't he wag? mustn't we wag? mustn't you wag? mustn't they wag?	mustn't I be wagging? mustn't you be wagging? mustn't he be wagging? mustn't we be wagging? mustn't you be wagging? mustn't they be wagging?
Perfect	V-ing perfect
mustn't I have wagged? mustn't you have wagged? mustn't he have wagged? mustn't we have wagged? mustn't you have wagged? mustn't they have wagged?	mustn't I have been wagging? mustn't you have been wagging? mustn't he have been wagging? mustn't we have been wagging? mustn't you have been wagging? mustn't they have been wagging?