English verb conjugation
MUST PUG

Regular verb: pug - pugged - pugged

Affirmation

Simple form	V-ing form
I must pug you must pug he must pug we must pug you must pug they must pug	I must be pugging you must be pugging he must be pugging we must be pugging you must be pugging they must be pugging
Perfect	V-ing perfect
I must have pugged you must have pugged he must have pugged we must have pugged you must have pugged they must have pugged	I must have been pugging you must have been pugging he must have been pugging we must have been pugging you must have been pugging they must have been pugging

Negation

Simple form	V-ing form
I mustn't pug you mustn't pug he mustn't pug we mustn't pug you mustn't pug they mustn't pug	I mustn't be pugging you mustn't be pugging he mustn't be pugging we mustn't be pugging you mustn't be pugging they mustn't be pugging
Perfect	V-ing perfect
I mustn't have pugged you mustn't have pugged he mustn't have pugged we mustn't have pugged you mustn't have pugged they mustn't have pugged	I mustn't have been pugging you mustn't have been pugging he mustn't have been pugging we mustn't have been pugging you mustn't have been pugging they mustn't have been pugging

Interrogative form

Simple form	V-ing form
must I pug? must you pug? must he pug? must we pug? must you pug? must they pug?	must I be pugging? must you be pugging? must he be pugging? must we be pugging? must you be pugging? must they be pugging?
Perfect	V-ing perfect
must I have pugged? must you have pugged? must he have pugged? must we have pugged? must you have pugged? must they have pugged?	must I have been pugging? must you have been pugging? must he have been pugging? must we have been pugging? must you have been pugging? must they have been pugging?

Interro-negative form

Simple form	V-ing form
mustn't I pug? mustn't you pug? mustn't he pug? mustn't we pug? mustn't you pug? mustn't they pug?	mustn't I be pugging? mustn't you be pugging? mustn't he be pugging? mustn't we be pugging? mustn't you be pugging? mustn't they be pugging?
Perfect	V-ing perfect
mustn't I have pugged? mustn't you have pugged? mustn't he have pugged? mustn't we have pugged? mustn't you have pugged? mustn't they have pugged?	mustn't I have been pugging? mustn't you have been pugging? mustn't he have been pugging? mustn't we have been pugging? mustn't you have been pugging? mustn't they have been pugging?