English verb conjugation
MUST WAG

Regular verb: wag - wagged - wagged

Affirmation

Simple form	V-ing form
I must wag you must wag she must wag we must wag you must wag they must wag	I must be wagging you must be wagging she 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 she 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 she 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 must not wag you must not wag she must not wag we must not wag you must not wag they must not wag	I must not be wagging you must not be wagging she must not be wagging we must not be wagging you must not be wagging they must not be wagging
Perfect	V-ing perfect
I must not have wagged you must not have wagged she must not have wagged we must not have wagged you must not have wagged they must not have wagged	I must not have been wagging you must not have been wagging she must not have been wagging we must not have been wagging you must not have been wagging they must not have been wagging

Interrogative form

Simple form	V-ing form
must I wag? must you wag? must she wag? must we wag? must you wag? must they wag?	must I be wagging? must you be wagging? must she 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 she 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 she 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
must I not wag? must you not wag? must she not wag? must we not wag? must you not wag? must they not wag?	must I not be wagging? must you not be wagging? must she not be wagging? must we not be wagging? must you not be wagging? must they not be wagging?
Perfect	V-ing perfect
must I not have wagged? must you not have wagged? must she not have wagged? must we not have wagged? must you not have wagged? must they not have wagged?	must I not have been wagging? must you not have been wagging? must she not have been wagging? must we not have been wagging? must you not have been wagging? must they not have been wagging?