must modernize
Verbo regular: modernize - modernized- modernized

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must modernize
you must modernize
he must modernize
we must modernize
you must modernize
they must modernize 	I must be modernizing
you must be modernizing
he must be modernizing
we must be modernizing
you must be modernizing
they must be modernizing	I must have modernized
you must have modernized
he must have modernized
we must have modernized
you must have modernized
they must have modernized	I must have been modernizing
you must have been modernizing
he must have been modernizing
we must have been modernizing
you must have been modernizing
they must have been modernizing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not modernize
you must not modernize
he must not modernize
we must not modernize
you must not modernize
they must not modernize 	I must not be modernizing
you must not be modernizing
he must not be modernizing
we must not be modernizing
you must not be modernizing
they must not be modernizing	I must not have modernized
you must not have modernized
he must not have modernized
we must not have modernized
you must not have modernized
they must not have modernized	I must not have been modernizing
you must not have been modernizing
he must not have been modernizing
we must not have been modernizing
you must not have been modernizing
they must not have been modernizing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I modernize?
must you modernize?
must he modernize?
must we modernize?
must you modernize?
must they modernize? 	must I be modernizing?
must you be modernizing?
must he be modernizing?
must we be modernizing?
must you be modernizing?
must they be modernizing? 	must I have modernized?
must you have modernized?
must he have modernized?
must we have modernized?
must you have modernized?
must they have modernized? 	must I have been modernizing?
must you have been modernizing?
must he have been modernizing?
must we have been modernizing?
must you have been modernizing?
must they have been modernizing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not modernize?
must you not modernize?
must he not modernize?
must we not modernize?
must you not modernize?
must they not modernize? 	must I not be modernizing?
must you not be modernizing?
must he not be modernizing?
must we not be modernizing?
must you not be modernizing?
must they not be modernizing? 	must I not have modernized?
must you not have modernized?
must he not have modernized?
must we not have modernized?
must you not have modernized?
must they not have modernized? 	must I not have been modernizing?
must you not have been modernizing?
must he not have been modernizing?
must we not have been modernizing?
must you not have been modernizing?
must they not have been modernizing?