must decommission
Verbo regular: decommission - decommissioned- decommissioned

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must decommission
you must decommission
he must decommission
we must decommission
you must decommission
they must decommission 	I must be decommissioning
you must be decommissioning
he must be decommissioning
we must be decommissioning
you must be decommissioning
they must be decommissioning	I must have decommissioned
you must have decommissioned
he must have decommissioned
we must have decommissioned
you must have decommissioned
they must have decommissioned	I must have been decommissioning
you must have been decommissioning
he must have been decommissioning
we must have been decommissioning
you must have been decommissioning
they must have been decommissioning	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not decommission
you must not decommission
he must not decommission
we must not decommission
you must not decommission
they must not decommission 	I must not be decommissioning
you must not be decommissioning
he must not be decommissioning
we must not be decommissioning
you must not be decommissioning
they must not be decommissioning	I must not have decommissioned
you must not have decommissioned
he must not have decommissioned
we must not have decommissioned
you must not have decommissioned
they must not have decommissioned	I must not have been decommissioning
you must not have been decommissioning
he must not have been decommissioning
we must not have been decommissioning
you must not have been decommissioning
they must not have been decommissioning	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I decommission?
must you decommission?
must he decommission?
must we decommission?
must you decommission?
must they decommission? 	must I be decommissioning?
must you be decommissioning?
must he be decommissioning?
must we be decommissioning?
must you be decommissioning?
must they be decommissioning? 	must I have decommissioned?
must you have decommissioned?
must he have decommissioned?
must we have decommissioned?
must you have decommissioned?
must they have decommissioned? 	must I have been decommissioning?
must you have been decommissioning?
must he have been decommissioning?
must we have been decommissioning?
must you have been decommissioning?
must they have been decommissioning? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not decommission?
must you not decommission?
must he not decommission?
must we not decommission?
must you not decommission?
must they not decommission? 	must I not be decommissioning?
must you not be decommissioning?
must he not be decommissioning?
must we not be decommissioning?
must you not be decommissioning?
must they not be decommissioning? 	must I not have decommissioned?
must you not have decommissioned?
must he not have decommissioned?
must we not have decommissioned?
must you not have decommissioned?
must they not have decommissioned? 	must I not have been decommissioning?
must you not have been decommissioning?
must he not have been decommissioning?
must we not have been decommissioning?
must you not have been decommissioning?
must they not have been decommissioning?