must prevalue
Verbo regular: prevalue - prevalued- prevalued

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must prevalue
you must prevalue
he must prevalue
we must prevalue
you must prevalue
they must prevalue 	I must be prevaluing
you must be prevaluing
he must be prevaluing
we must be prevaluing
you must be prevaluing
they must be prevaluing	I must have prevalued
you must have prevalued
he must have prevalued
we must have prevalued
you must have prevalued
they must have prevalued	I must have been prevaluing
you must have been prevaluing
he must have been prevaluing
we must have been prevaluing
you must have been prevaluing
they must have been prevaluing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't prevalue
you mustn't prevalue
he mustn't prevalue
we mustn't prevalue
you mustn't prevalue
they mustn't prevalue 	I mustn't be prevaluing
you mustn't be prevaluing
he mustn't be prevaluing
we mustn't be prevaluing
you mustn't be prevaluing
they mustn't be prevaluing	I mustn't have prevalued
you mustn't have prevalued
he mustn't have prevalued
we mustn't have prevalued
you mustn't have prevalued
they mustn't have prevalued	I mustn't have been prevaluing
you mustn't have been prevaluing
he mustn't have been prevaluing
we mustn't have been prevaluing
you mustn't have been prevaluing
they mustn't have been prevaluing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I prevalue?
must you prevalue?
must he prevalue?
must we prevalue?
must you prevalue?
must they prevalue? 	must I be prevaluing?
must you be prevaluing?
must he be prevaluing?
must we be prevaluing?
must you be prevaluing?
must they be prevaluing? 	must I have prevalued?
must you have prevalued?
must he have prevalued?
must we have prevalued?
must you have prevalued?
must they have prevalued? 	must I have been prevaluing?
must you have been prevaluing?
must he have been prevaluing?
must we have been prevaluing?
must you have been prevaluing?
must they have been prevaluing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I prevalue?
mustn't you prevalue?
mustn't he prevalue?
mustn't we prevalue?
mustn't you prevalue?
mustn't they prevalue? 	mustn't I be prevaluing?
mustn't you be prevaluing?
mustn't he be prevaluing?
mustn't we be prevaluing?
mustn't you be prevaluing?
mustn't they be prevaluing? 	mustn't I have prevalued?
mustn't you have prevalued?
mustn't he have prevalued?
mustn't we have prevalued?
mustn't you have prevalued?
mustn't they have prevalued? 	mustn't I have been prevaluing?
mustn't you have been prevaluing?
mustn't he have been prevaluing?
mustn't we have been prevaluing?
mustn't you have been prevaluing?
mustn't they have been prevaluing?