must impale
Verbo regular: impale - impaled- impaled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must impale
you must impale
he must impale
we must impale
you must impale
they must impale 	I must be impaling
you must be impaling
he must be impaling
we must be impaling
you must be impaling
they must be impaling	I must have impaled
you must have impaled
he must have impaled
we must have impaled
you must have impaled
they must have impaled	I must have been impaling
you must have been impaling
he must have been impaling
we must have been impaling
you must have been impaling
they must have been impaling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't impale
you mustn't impale
he mustn't impale
we mustn't impale
you mustn't impale
they mustn't impale 	I mustn't be impaling
you mustn't be impaling
he mustn't be impaling
we mustn't be impaling
you mustn't be impaling
they mustn't be impaling	I mustn't have impaled
you mustn't have impaled
he mustn't have impaled
we mustn't have impaled
you mustn't have impaled
they mustn't have impaled	I mustn't have been impaling
you mustn't have been impaling
he mustn't have been impaling
we mustn't have been impaling
you mustn't have been impaling
they mustn't have been impaling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I impale?
must you impale?
must he impale?
must we impale?
must you impale?
must they impale? 	must I be impaling?
must you be impaling?
must he be impaling?
must we be impaling?
must you be impaling?
must they be impaling? 	must I have impaled?
must you have impaled?
must he have impaled?
must we have impaled?
must you have impaled?
must they have impaled? 	must I have been impaling?
must you have been impaling?
must he have been impaling?
must we have been impaling?
must you have been impaling?
must they have been impaling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I impale?
mustn't you impale?
mustn't he impale?
mustn't we impale?
mustn't you impale?
mustn't they impale? 	mustn't I be impaling?
mustn't you be impaling?
mustn't he be impaling?
mustn't we be impaling?
mustn't you be impaling?
mustn't they be impaling? 	mustn't I have impaled?
mustn't you have impaled?
mustn't he have impaled?
mustn't we have impaled?
mustn't you have impaled?
mustn't they have impaled? 	mustn't I have been impaling?
mustn't you have been impaling?
mustn't he have been impaling?
mustn't we have been impaling?
mustn't you have been impaling?
mustn't they have been impaling?