must murther
Verbo regular: murther - murthered- murthered

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must murther
you must murther
he must murther
we must murther
you must murther
they must murther 	I must be murthering
you must be murthering
he must be murthering
we must be murthering
you must be murthering
they must be murthering	I must have murthered
you must have murthered
he must have murthered
we must have murthered
you must have murthered
they must have murthered	I must have been murthering
you must have been murthering
he must have been murthering
we must have been murthering
you must have been murthering
they must have been murthering	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't murther
you mustn't murther
he mustn't murther
we mustn't murther
you mustn't murther
they mustn't murther 	I mustn't be murthering
you mustn't be murthering
he mustn't be murthering
we mustn't be murthering
you mustn't be murthering
they mustn't be murthering	I mustn't have murthered
you mustn't have murthered
he mustn't have murthered
we mustn't have murthered
you mustn't have murthered
they mustn't have murthered	I mustn't have been murthering
you mustn't have been murthering
he mustn't have been murthering
we mustn't have been murthering
you mustn't have been murthering
they mustn't have been murthering	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I murther?
must you murther?
must he murther?
must we murther?
must you murther?
must they murther? 	must I be murthering?
must you be murthering?
must he be murthering?
must we be murthering?
must you be murthering?
must they be murthering? 	must I have murthered?
must you have murthered?
must he have murthered?
must we have murthered?
must you have murthered?
must they have murthered? 	must I have been murthering?
must you have been murthering?
must he have been murthering?
must we have been murthering?
must you have been murthering?
must they have been murthering? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I murther?
mustn't you murther?
mustn't he murther?
mustn't we murther?
mustn't you murther?
mustn't they murther? 	mustn't I be murthering?
mustn't you be murthering?
mustn't he be murthering?
mustn't we be murthering?
mustn't you be murthering?
mustn't they be murthering? 	mustn't I have murthered?
mustn't you have murthered?
mustn't he have murthered?
mustn't we have murthered?
mustn't you have murthered?
mustn't they have murthered? 	mustn't I have been murthering?
mustn't you have been murthering?
mustn't he have been murthering?
mustn't we have been murthering?
mustn't you have been murthering?
mustn't they have been murthering?