must imprison
Verbo regular: imprison - imprisoned- imprisoned

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must imprison
you must imprison
he must imprison
we must imprison
you must imprison
they must imprison 	I must be imprisoning
you must be imprisoning
he must be imprisoning
we must be imprisoning
you must be imprisoning
they must be imprisoning	I must have imprisoned
you must have imprisoned
he must have imprisoned
we must have imprisoned
you must have imprisoned
they must have imprisoned	I must have been imprisoning
you must have been imprisoning
he must have been imprisoning
we must have been imprisoning
you must have been imprisoning
they must have been imprisoning	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't imprison
you mustn't imprison
he mustn't imprison
we mustn't imprison
you mustn't imprison
they mustn't imprison 	I mustn't be imprisoning
you mustn't be imprisoning
he mustn't be imprisoning
we mustn't be imprisoning
you mustn't be imprisoning
they mustn't be imprisoning	I mustn't have imprisoned
you mustn't have imprisoned
he mustn't have imprisoned
we mustn't have imprisoned
you mustn't have imprisoned
they mustn't have imprisoned	I mustn't have been imprisoning
you mustn't have been imprisoning
he mustn't have been imprisoning
we mustn't have been imprisoning
you mustn't have been imprisoning
they mustn't have been imprisoning	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I imprison?
must you imprison?
must he imprison?
must we imprison?
must you imprison?
must they imprison? 	must I be imprisoning?
must you be imprisoning?
must he be imprisoning?
must we be imprisoning?
must you be imprisoning?
must they be imprisoning? 	must I have imprisoned?
must you have imprisoned?
must he have imprisoned?
must we have imprisoned?
must you have imprisoned?
must they have imprisoned? 	must I have been imprisoning?
must you have been imprisoning?
must he have been imprisoning?
must we have been imprisoning?
must you have been imprisoning?
must they have been imprisoning? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I imprison?
mustn't you imprison?
mustn't he imprison?
mustn't we imprison?
mustn't you imprison?
mustn't they imprison? 	mustn't I be imprisoning?
mustn't you be imprisoning?
mustn't he be imprisoning?
mustn't we be imprisoning?
mustn't you be imprisoning?
mustn't they be imprisoning? 	mustn't I have imprisoned?
mustn't you have imprisoned?
mustn't he have imprisoned?
mustn't we have imprisoned?
mustn't you have imprisoned?
mustn't they have imprisoned? 	mustn't I have been imprisoning?
mustn't you have been imprisoning?
mustn't he have been imprisoning?
mustn't we have been imprisoning?
mustn't you have been imprisoning?
mustn't they have been imprisoning?