must chasten
Verbo regular: chasten - chastened- chastened

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must chasten
you must chasten
he must chasten
we must chasten
you must chasten
they must chasten 	I must be chastening
you must be chastening
he must be chastening
we must be chastening
you must be chastening
they must be chastening	I must have chastened
you must have chastened
he must have chastened
we must have chastened
you must have chastened
they must have chastened	I must have been chastening
you must have been chastening
he must have been chastening
we must have been chastening
you must have been chastening
they must have been chastening	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not chasten
you must not chasten
he must not chasten
we must not chasten
you must not chasten
they must not chasten 	I must not be chastening
you must not be chastening
he must not be chastening
we must not be chastening
you must not be chastening
they must not be chastening	I must not have chastened
you must not have chastened
he must not have chastened
we must not have chastened
you must not have chastened
they must not have chastened	I must not have been chastening
you must not have been chastening
he must not have been chastening
we must not have been chastening
you must not have been chastening
they must not have been chastening	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I chasten?
must you chasten?
must he chasten?
must we chasten?
must you chasten?
must they chasten? 	must I be chastening?
must you be chastening?
must he be chastening?
must we be chastening?
must you be chastening?
must they be chastening? 	must I have chastened?
must you have chastened?
must he have chastened?
must we have chastened?
must you have chastened?
must they have chastened? 	must I have been chastening?
must you have been chastening?
must he have been chastening?
must we have been chastening?
must you have been chastening?
must they have been chastening? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not chasten?
must you not chasten?
must he not chasten?
must we not chasten?
must you not chasten?
must they not chasten? 	must I not be chastening?
must you not be chastening?
must he not be chastening?
must we not be chastening?
must you not be chastening?
must they not be chastening? 	must I not have chastened?
must you not have chastened?
must he not have chastened?
must we not have chastened?
must you not have chastened?
must they not have chastened? 	must I not have been chastening?
must you not have been chastening?
must he not have been chastening?
must we not have been chastening?
must you not have been chastening?
must they not have been chastening?