must empoison
Verbo regular: empoison - empoisoned- empoisoned

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must empoison
you must empoison
she must empoison
we must empoison
you must empoison
they must empoison 	I must be empoisoning
you must be empoisoning
she must be empoisoning
we must be empoisoning
you must be empoisoning
they must be empoisoning	I must have empoisoned
you must have empoisoned
she must have empoisoned
we must have empoisoned
you must have empoisoned
they must have empoisoned	I must have been empoisoning
you must have been empoisoning
she must have been empoisoning
we must have been empoisoning
you must have been empoisoning
they must have been empoisoning	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't empoison
you mustn't empoison
she mustn't empoison
we mustn't empoison
you mustn't empoison
they mustn't empoison 	I mustn't be empoisoning
you mustn't be empoisoning
she mustn't be empoisoning
we mustn't be empoisoning
you mustn't be empoisoning
they mustn't be empoisoning	I mustn't have empoisoned
you mustn't have empoisoned
she mustn't have empoisoned
we mustn't have empoisoned
you mustn't have empoisoned
they mustn't have empoisoned	I mustn't have been empoisoning
you mustn't have been empoisoning
she mustn't have been empoisoning
we mustn't have been empoisoning
you mustn't have been empoisoning
they mustn't have been empoisoning	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I empoison?
must you empoison?
must she empoison?
must we empoison?
must you empoison?
must they empoison? 	must I be empoisoning?
must you be empoisoning?
must she be empoisoning?
must we be empoisoning?
must you be empoisoning?
must they be empoisoning? 	must I have empoisoned?
must you have empoisoned?
must she have empoisoned?
must we have empoisoned?
must you have empoisoned?
must they have empoisoned? 	must I have been empoisoning?
must you have been empoisoning?
must she have been empoisoning?
must we have been empoisoning?
must you have been empoisoning?
must they have been empoisoning? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I empoison?
mustn't you empoison?
mustn't she empoison?
mustn't we empoison?
mustn't you empoison?
mustn't they empoison? 	mustn't I be empoisoning?
mustn't you be empoisoning?
mustn't she be empoisoning?
mustn't we be empoisoning?
mustn't you be empoisoning?
mustn't they be empoisoning? 	mustn't I have empoisoned?
mustn't you have empoisoned?
mustn't she have empoisoned?
mustn't we have empoisoned?
mustn't you have empoisoned?
mustn't they have empoisoned? 	mustn't I have been empoisoning?
mustn't you have been empoisoning?
mustn't she have been empoisoning?
mustn't we have been empoisoning?
mustn't you have been empoisoning?
mustn't they have been empoisoning?