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 mustn't chasten
you mustn't chasten
he mustn't chasten
we mustn't chasten
you mustn't chasten
they mustn't chasten 	I mustn't be chastening
you mustn't be chastening
he mustn't be chastening
we mustn't be chastening
you mustn't be chastening
they mustn't be chastening	I mustn't have chastened
you mustn't have chastened
he mustn't have chastened
we mustn't have chastened
you mustn't have chastened
they mustn't have chastened	I mustn't have been chastening
you mustn't have been chastening
he mustn't have been chastening
we mustn't have been chastening
you mustn't have been chastening
they mustn't 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 	
mustn't I chasten?
mustn't you chasten?
mustn't he chasten?
mustn't we chasten?
mustn't you chasten?
mustn't they chasten? 	mustn't I be chastening?
mustn't you be chastening?
mustn't he be chastening?
mustn't we be chastening?
mustn't you be chastening?
mustn't they be chastening? 	mustn't I have chastened?
mustn't you have chastened?
mustn't he have chastened?
mustn't we have chastened?
mustn't you have chastened?
mustn't they have chastened? 	mustn't I have been chastening?
mustn't you have been chastening?
mustn't he have been chastening?
mustn't we have been chastening?
mustn't you have been chastening?
mustn't they have been chastening?