English verb conjugation
MUST RIG

Regular verb: rig - rigged - rigged

Affirmation

Simple form	V-ing form
I must rig you must rig he must rig we must rig you must rig they must rig	I must be rigging you must be rigging he must be rigging we must be rigging you must be rigging they must be rigging
Perfect	V-ing perfect
I must have rigged you must have rigged he must have rigged we must have rigged you must have rigged they must have rigged	I must have been rigging you must have been rigging he must have been rigging we must have been rigging you must have been rigging they must have been rigging

Negation

Simple form	V-ing form
I mustn't rig you mustn't rig he mustn't rig we mustn't rig you mustn't rig they mustn't rig	I mustn't be rigging you mustn't be rigging he mustn't be rigging we mustn't be rigging you mustn't be rigging they mustn't be rigging
Perfect	V-ing perfect
I mustn't have rigged you mustn't have rigged he mustn't have rigged we mustn't have rigged you mustn't have rigged they mustn't have rigged	I mustn't have been rigging you mustn't have been rigging he mustn't have been rigging we mustn't have been rigging you mustn't have been rigging they mustn't have been rigging

Interrogative form

Simple form	V-ing form
must I rig? must you rig? must he rig? must we rig? must you rig? must they rig?	must I be rigging? must you be rigging? must he be rigging? must we be rigging? must you be rigging? must they be rigging?
Perfect	V-ing perfect
must I have rigged? must you have rigged? must he have rigged? must we have rigged? must you have rigged? must they have rigged?	must I have been rigging? must you have been rigging? must he have been rigging? must we have been rigging? must you have been rigging? must they have been rigging?

Interro-negative form

Simple form	V-ing form
mustn't I rig? mustn't you rig? mustn't he rig? mustn't we rig? mustn't you rig? mustn't they rig?	mustn't I be rigging? mustn't you be rigging? mustn't he be rigging? mustn't we be rigging? mustn't you be rigging? mustn't they be rigging?
Perfect	V-ing perfect
mustn't I have rigged? mustn't you have rigged? mustn't he have rigged? mustn't we have rigged? mustn't you have rigged? mustn't they have rigged?	mustn't I have been rigging? mustn't you have been rigging? mustn't he have been rigging? mustn't we have been rigging? mustn't you have been rigging? mustn't they have been rigging?