English verb conjugation
MUST SHRUG

Regular verb: shrug - shrugged - shrugged

Affirmation

Simple form	V-ing form
I must shrug you must shrug he must shrug we must shrug you must shrug they must shrug	I must be shrugging you must be shrugging he must be shrugging we must be shrugging you must be shrugging they must be shrugging
Perfect	V-ing perfect
I must have shrugged you must have shrugged he must have shrugged we must have shrugged you must have shrugged they must have shrugged	I must have been shrugging you must have been shrugging he must have been shrugging we must have been shrugging you must have been shrugging they must have been shrugging

Negation

Simple form	V-ing form
I mustn't shrug you mustn't shrug he mustn't shrug we mustn't shrug you mustn't shrug they mustn't shrug	I mustn't be shrugging you mustn't be shrugging he mustn't be shrugging we mustn't be shrugging you mustn't be shrugging they mustn't be shrugging
Perfect	V-ing perfect
I mustn't have shrugged you mustn't have shrugged he mustn't have shrugged we mustn't have shrugged you mustn't have shrugged they mustn't have shrugged	I mustn't have been shrugging you mustn't have been shrugging he mustn't have been shrugging we mustn't have been shrugging you mustn't have been shrugging they mustn't have been shrugging

Interrogative form

Simple form	V-ing form
must I shrug? must you shrug? must he shrug? must we shrug? must you shrug? must they shrug?	must I be shrugging? must you be shrugging? must he be shrugging? must we be shrugging? must you be shrugging? must they be shrugging?
Perfect	V-ing perfect
must I have shrugged? must you have shrugged? must he have shrugged? must we have shrugged? must you have shrugged? must they have shrugged?	must I have been shrugging? must you have been shrugging? must he have been shrugging? must we have been shrugging? must you have been shrugging? must they have been shrugging?

Interro-negative form

Simple form	V-ing form
mustn't I shrug? mustn't you shrug? mustn't he shrug? mustn't we shrug? mustn't you shrug? mustn't they shrug?	mustn't I be shrugging? mustn't you be shrugging? mustn't he be shrugging? mustn't we be shrugging? mustn't you be shrugging? mustn't they be shrugging?
Perfect	V-ing perfect
mustn't I have shrugged? mustn't you have shrugged? mustn't he have shrugged? mustn't we have shrugged? mustn't you have shrugged? mustn't they have shrugged?	mustn't I have been shrugging? mustn't you have been shrugging? mustn't he have been shrugging? mustn't we have been shrugging? mustn't you have been shrugging? mustn't they have been shrugging?