must optimize
Verbo regular: optimize - optimized- optimized

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must optimize
you must optimize
he must optimize
we must optimize
you must optimize
they must optimize 	I must be optimizing
you must be optimizing
he must be optimizing
we must be optimizing
you must be optimizing
they must be optimizing	I must have optimized
you must have optimized
he must have optimized
we must have optimized
you must have optimized
they must have optimized	I must have been optimizing
you must have been optimizing
he must have been optimizing
we must have been optimizing
you must have been optimizing
they must have been optimizing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not optimize
you must not optimize
he must not optimize
we must not optimize
you must not optimize
they must not optimize 	I must not be optimizing
you must not be optimizing
he must not be optimizing
we must not be optimizing
you must not be optimizing
they must not be optimizing	I must not have optimized
you must not have optimized
he must not have optimized
we must not have optimized
you must not have optimized
they must not have optimized	I must not have been optimizing
you must not have been optimizing
he must not have been optimizing
we must not have been optimizing
you must not have been optimizing
they must not have been optimizing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I optimize?
must you optimize?
must he optimize?
must we optimize?
must you optimize?
must they optimize? 	must I be optimizing?
must you be optimizing?
must he be optimizing?
must we be optimizing?
must you be optimizing?
must they be optimizing? 	must I have optimized?
must you have optimized?
must he have optimized?
must we have optimized?
must you have optimized?
must they have optimized? 	must I have been optimizing?
must you have been optimizing?
must he have been optimizing?
must we have been optimizing?
must you have been optimizing?
must they have been optimizing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not optimize?
must you not optimize?
must he not optimize?
must we not optimize?
must you not optimize?
must they not optimize? 	must I not be optimizing?
must you not be optimizing?
must he not be optimizing?
must we not be optimizing?
must you not be optimizing?
must they not be optimizing? 	must I not have optimized?
must you not have optimized?
must he not have optimized?
must we not have optimized?
must you not have optimized?
must they not have optimized? 	must I not have been optimizing?
must you not have been optimizing?
must he not have been optimizing?
must we not have been optimizing?
must you not have been optimizing?
must they not have been optimizing?