must empoison
Verbo regular: empoison - empoisoned- empoisoned

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must empoison
you must empoison
he must empoison
we must empoison
you must empoison
they must empoison 	I must be empoisoning
you must be empoisoning
he must be empoisoning
we must be empoisoning
you must be empoisoning
they must be empoisoning	I must have empoisoned
you must have empoisoned
he 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
he must have been empoisoning
we must have been empoisoning
you must have been empoisoning
they must have been empoisoning	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not empoison
you must not empoison
he must not empoison
we must not empoison
you must not empoison
they must not empoison 	I must not be empoisoning
you must not be empoisoning
he must not be empoisoning
we must not be empoisoning
you must not be empoisoning
they must not be empoisoning	I must not have empoisoned
you must not have empoisoned
he must not have empoisoned
we must not have empoisoned
you must not have empoisoned
they must not have empoisoned	I must not have been empoisoning
you must not have been empoisoning
he must not have been empoisoning
we must not have been empoisoning
you must not have been empoisoning
they must not have been empoisoning	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I empoison?
must you empoison?
must he empoison?
must we empoison?
must you empoison?
must they empoison? 	must I be empoisoning?
must you be empoisoning?
must he be empoisoning?
must we be empoisoning?
must you be empoisoning?
must they be empoisoning? 	must I have empoisoned?
must you have empoisoned?
must he 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 he have been empoisoning?
must we have been empoisoning?
must you have been empoisoning?
must they have been empoisoning? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not empoison?
must you not empoison?
must he not empoison?
must we not empoison?
must you not empoison?
must they not empoison? 	must I not be empoisoning?
must you not be empoisoning?
must he not be empoisoning?
must we not be empoisoning?
must you not be empoisoning?
must they not be empoisoning? 	must I not have empoisoned?
must you not have empoisoned?
must he not have empoisoned?
must we not have empoisoned?
must you not have empoisoned?
must they not have empoisoned? 	must I not have been empoisoning?
must you not have been empoisoning?
must he not have been empoisoning?
must we not have been empoisoning?
must you not have been empoisoning?
must they not have been empoisoning?