must shame
Verbo regular: shame - shamed- shamed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must shame
you must shame
he must shame
we must shame
you must shame
they must shame 	I must be shaming
you must be shaming
he must be shaming
we must be shaming
you must be shaming
they must be shaming	I must have shamed
you must have shamed
he must have shamed
we must have shamed
you must have shamed
they must have shamed	I must have been shaming
you must have been shaming
he must have been shaming
we must have been shaming
you must have been shaming
they must have been shaming	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't shame
you mustn't shame
he mustn't shame
we mustn't shame
you mustn't shame
they mustn't shame 	I mustn't be shaming
you mustn't be shaming
he mustn't be shaming
we mustn't be shaming
you mustn't be shaming
they mustn't be shaming	I mustn't have shamed
you mustn't have shamed
he mustn't have shamed
we mustn't have shamed
you mustn't have shamed
they mustn't have shamed	I mustn't have been shaming
you mustn't have been shaming
he mustn't have been shaming
we mustn't have been shaming
you mustn't have been shaming
they mustn't have been shaming	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I shame?
must you shame?
must he shame?
must we shame?
must you shame?
must they shame? 	must I be shaming?
must you be shaming?
must he be shaming?
must we be shaming?
must you be shaming?
must they be shaming? 	must I have shamed?
must you have shamed?
must he have shamed?
must we have shamed?
must you have shamed?
must they have shamed? 	must I have been shaming?
must you have been shaming?
must he have been shaming?
must we have been shaming?
must you have been shaming?
must they have been shaming? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I shame?
mustn't you shame?
mustn't he shame?
mustn't we shame?
mustn't you shame?
mustn't they shame? 	mustn't I be shaming?
mustn't you be shaming?
mustn't he be shaming?
mustn't we be shaming?
mustn't you be shaming?
mustn't they be shaming? 	mustn't I have shamed?
mustn't you have shamed?
mustn't he have shamed?
mustn't we have shamed?
mustn't you have shamed?
mustn't they have shamed? 	mustn't I have been shaming?
mustn't you have been shaming?
mustn't he have been shaming?
mustn't we have been shaming?
mustn't you have been shaming?
mustn't they have been shaming?