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 must not shrug you must not shrug he must not shrug we must not shrug you must not shrug they must not shrug	I must not be shrugging you must not be shrugging he must not be shrugging we must not be shrugging you must not be shrugging they must not be shrugging
Perfect	V-ing perfect
I must not have shrugged you must not have shrugged he must not have shrugged we must not have shrugged you must not have shrugged they must not have shrugged	I must not have been shrugging you must not have been shrugging he must not have been shrugging we must not have been shrugging you must not have been shrugging they must not 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
must I not shrug? must you not shrug? must he not shrug? must we not shrug? must you not shrug? must they not shrug?	must I not be shrugging? must you not be shrugging? must he not be shrugging? must we not be shrugging? must you not be shrugging? must they not be shrugging?
Perfect	V-ing perfect
must I not have shrugged? must you not have shrugged? must he not have shrugged? must we not have shrugged? must you not have shrugged? must they not have shrugged?	must I not have been shrugging? must you not have been shrugging? must he not have been shrugging? must we not have been shrugging? must you not have been shrugging? must they not have been shrugging?