must pervert
Verbo regular: pervert - perverted- perverted

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must pervert
you must pervert
he must pervert
we must pervert
you must pervert
they must pervert 	I must be perverting
you must be perverting
he must be perverting
we must be perverting
you must be perverting
they must be perverting	I must have perverted
you must have perverted
he must have perverted
we must have perverted
you must have perverted
they must have perverted	I must have been perverting
you must have been perverting
he must have been perverting
we must have been perverting
you must have been perverting
they must have been perverting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not pervert
you must not pervert
he must not pervert
we must not pervert
you must not pervert
they must not pervert 	I must not be perverting
you must not be perverting
he must not be perverting
we must not be perverting
you must not be perverting
they must not be perverting	I must not have perverted
you must not have perverted
he must not have perverted
we must not have perverted
you must not have perverted
they must not have perverted	I must not have been perverting
you must not have been perverting
he must not have been perverting
we must not have been perverting
you must not have been perverting
they must not have been perverting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I pervert?
must you pervert?
must he pervert?
must we pervert?
must you pervert?
must they pervert? 	must I be perverting?
must you be perverting?
must he be perverting?
must we be perverting?
must you be perverting?
must they be perverting? 	must I have perverted?
must you have perverted?
must he have perverted?
must we have perverted?
must you have perverted?
must they have perverted? 	must I have been perverting?
must you have been perverting?
must he have been perverting?
must we have been perverting?
must you have been perverting?
must they have been perverting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not pervert?
must you not pervert?
must he not pervert?
must we not pervert?
must you not pervert?
must they not pervert? 	must I not be perverting?
must you not be perverting?
must he not be perverting?
must we not be perverting?
must you not be perverting?
must they not be perverting? 	must I not have perverted?
must you not have perverted?
must he not have perverted?
must we not have perverted?
must you not have perverted?
must they not have perverted? 	must I not have been perverting?
must you not have been perverting?
must he not have been perverting?
must we not have been perverting?
must you not have been perverting?
must they not have been perverting?