must centralize
Verbo regular: centralize - centralized- centralized

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must centralize
you must centralize
she must centralize
we must centralize
you must centralize
they must centralize 	I must be centralizing
you must be centralizing
she must be centralizing
we must be centralizing
you must be centralizing
they must be centralizing	I must have centralized
you must have centralized
she 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
she must have been centralizing
we must have been centralizing
you must have been centralizing
they must have been centralizing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not centralize
you must not centralize
she 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
she 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
she 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
she must not have been centralizing
we must not have been centralizing
you must not have been centralizing
they must not have been centralizing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I centralize?
must you centralize?
must she centralize?
must we centralize?
must you centralize?
must they centralize? 	must I be centralizing?
must you be centralizing?
must she be centralizing?
must we be centralizing?
must you be centralizing?
must they be centralizing? 	must I have centralized?
must you have centralized?
must she 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 she have been centralizing?
must we have been centralizing?
must you have been centralizing?
must they have been centralizing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not centralize?
must you not centralize?
must she 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 she 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 she 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 she not have been centralizing?
must we not have been centralizing?
must you not have been centralizing?
must they not have been centralizing?