must rig
Verbo regular: rig - rigged- rigged

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
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	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	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not rig
you must not rig
he must not rig
we must not rig
you must not rig
they must not rig 	I must not be rigging
you must not be rigging
he must not be rigging
we must not be rigging
you must not be rigging
they must not be rigging	I must not have rigged
you must not have rigged
he must not have rigged
we must not have rigged
you must not have rigged
they must not have rigged	I must not have been rigging
you must not have been rigging
he must not have been rigging
we must not have been rigging
you must not have been rigging
they must not have been rigging	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
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? 	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? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not rig?
must you not rig?
must he not rig?
must we not rig?
must you not rig?
must they not rig? 	must I not be rigging?
must you not be rigging?
must he not be rigging?
must we not be rigging?
must you not be rigging?
must they not be rigging? 	must I not have rigged?
must you not have rigged?
must he not have rigged?
must we not have rigged?
must you not have rigged?
must they not have rigged? 	must I not have been rigging?
must you not have been rigging?
must he not have been rigging?
must we not have been rigging?
must you not have been rigging?
must they not have been rigging?