English verb conjugation
MUST PIG

Regular verb: pig - pigged - pigged

Affirmation

Simple form	V-ing form
I must pig you must pig he must pig we must pig you must pig they must pig	I must be pigging you must be pigging he must be pigging we must be pigging you must be pigging they must be pigging
Perfect	V-ing perfect
I must have pigged you must have pigged he must have pigged we must have pigged you must have pigged they must have pigged	I must have been pigging you must have been pigging he must have been pigging we must have been pigging you must have been pigging they must have been pigging

Negation

Simple form	V-ing form
I mustn't pig you mustn't pig he mustn't pig we mustn't pig you mustn't pig they mustn't pig	I mustn't be pigging you mustn't be pigging he mustn't be pigging we mustn't be pigging you mustn't be pigging they mustn't be pigging
Perfect	V-ing perfect
I mustn't have pigged you mustn't have pigged he mustn't have pigged we mustn't have pigged you mustn't have pigged they mustn't have pigged	I mustn't have been pigging you mustn't have been pigging he mustn't have been pigging we mustn't have been pigging you mustn't have been pigging they mustn't have been pigging

Interrogative form

Simple form	V-ing form
must I pig? must you pig? must he pig? must we pig? must you pig? must they pig?	must I be pigging? must you be pigging? must he be pigging? must we be pigging? must you be pigging? must they be pigging?
Perfect	V-ing perfect
must I have pigged? must you have pigged? must he have pigged? must we have pigged? must you have pigged? must they have pigged?	must I have been pigging? must you have been pigging? must he have been pigging? must we have been pigging? must you have been pigging? must they have been pigging?

Interro-negative form

Simple form	V-ing form
mustn't I pig? mustn't you pig? mustn't he pig? mustn't we pig? mustn't you pig? mustn't they pig?	mustn't I be pigging? mustn't you be pigging? mustn't he be pigging? mustn't we be pigging? mustn't you be pigging? mustn't they be pigging?
Perfect	V-ing perfect
mustn't I have pigged? mustn't you have pigged? mustn't he have pigged? mustn't we have pigged? mustn't you have pigged? mustn't they have pigged?	mustn't I have been pigging? mustn't you have been pigging? mustn't he have been pigging? mustn't we have been pigging? mustn't you have been pigging? mustn't they have been pigging?