must centralize
Regular verb: centralize - centralized- centralized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must centralize
you must centralize
he must centralize
we must centralize
you must centralize
they must centralize 	I must be centralizing
you must be centralizing
he must be centralizing
we must be centralizing
you must be centralizing
they must be centralizing	I must have centralized
you must have centralized
he must have centralized
we must have centralized
you must have centralized
they must have centralized	I must have been centralizing
you must have been centralizing
he must have been centralizing
we must have been centralizing
you must have been centralizing
they must have been centralizing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not centralize
you must not centralize
he must not centralize
we must not centralize
you must not centralize
they must not centralize 	I must not be centralizing
you must not be centralizing
he must not be centralizing
we must not be centralizing
you must not be centralizing
they must not be centralizing	I must not have centralized
you must not have centralized
he must not have centralized
we must not have centralized
you must not have centralized
they must not have centralized	I must not have been centralizing
you must not have been centralizing
he must not have been centralizing
we must not have been centralizing
you must not have been centralizing
they must not have been centralizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I centralize?
must you centralize?
must he centralize?
must we centralize?
must you centralize?
must they centralize? 	must I be centralizing?
must you be centralizing?
must he be centralizing?
must we be centralizing?
must you be centralizing?
must they be centralizing? 	must I have centralized?
must you have centralized?
must he have centralized?
must we have centralized?
must you have centralized?
must they have centralized? 	must I have been centralizing?
must you have been centralizing?
must he have been centralizing?
must we have been centralizing?
must you have been centralizing?
must they have been centralizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not centralize?
must you not centralize?
must he not centralize?
must we not centralize?
must you not centralize?
must they not centralize? 	must I not be centralizing?
must you not be centralizing?
must he not be centralizing?
must we not be centralizing?
must you not be centralizing?
must they not be centralizing? 	must I not have centralized?
must you not have centralized?
must he not have centralized?
must we not have centralized?
must you not have centralized?
must they not have centralized? 	must I not have been centralizing?
must you not have been centralizing?
must he not have been centralizing?
must we not have been centralizing?
must you not have been centralizing?
must they not have been centralizing?