must scribe
Verbo regular: scribe - scribed- scribed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must scribe
you must scribe
he must scribe
we must scribe
you must scribe
they must scribe 	I must be scribing
you must be scribing
he must be scribing
we must be scribing
you must be scribing
they must be scribing	I must have scribed
you must have scribed
he must have scribed
we must have scribed
you must have scribed
they must have scribed	I must have been scribing
you must have been scribing
he must have been scribing
we must have been scribing
you must have been scribing
they must have been scribing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't scribe
you mustn't scribe
he mustn't scribe
we mustn't scribe
you mustn't scribe
they mustn't scribe 	I mustn't be scribing
you mustn't be scribing
he mustn't be scribing
we mustn't be scribing
you mustn't be scribing
they mustn't be scribing	I mustn't have scribed
you mustn't have scribed
he mustn't have scribed
we mustn't have scribed
you mustn't have scribed
they mustn't have scribed	I mustn't have been scribing
you mustn't have been scribing
he mustn't have been scribing
we mustn't have been scribing
you mustn't have been scribing
they mustn't have been scribing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I scribe?
must you scribe?
must he scribe?
must we scribe?
must you scribe?
must they scribe? 	must I be scribing?
must you be scribing?
must he be scribing?
must we be scribing?
must you be scribing?
must they be scribing? 	must I have scribed?
must you have scribed?
must he have scribed?
must we have scribed?
must you have scribed?
must they have scribed? 	must I have been scribing?
must you have been scribing?
must he have been scribing?
must we have been scribing?
must you have been scribing?
must they have been scribing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I scribe?
mustn't you scribe?
mustn't he scribe?
mustn't we scribe?
mustn't you scribe?
mustn't they scribe? 	mustn't I be scribing?
mustn't you be scribing?
mustn't he be scribing?
mustn't we be scribing?
mustn't you be scribing?
mustn't they be scribing? 	mustn't I have scribed?
mustn't you have scribed?
mustn't he have scribed?
mustn't we have scribed?
mustn't you have scribed?
mustn't they have scribed? 	mustn't I have been scribing?
mustn't you have been scribing?
mustn't he have been scribing?
mustn't we have been scribing?
mustn't you have been scribing?
mustn't they have been scribing?