must impound
Verbo regular: impound - impounded- impounded

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must impound
you must impound
she must impound
we must impound
you must impound
they must impound 	I must be impounding
you must be impounding
she must be impounding
we must be impounding
you must be impounding
they must be impounding	I must have impounded
you must have impounded
she must have impounded
we must have impounded
you must have impounded
they must have impounded	I must have been impounding
you must have been impounding
she must have been impounding
we must have been impounding
you must have been impounding
they must have been impounding	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't impound
you mustn't impound
she mustn't impound
we mustn't impound
you mustn't impound
they mustn't impound 	I mustn't be impounding
you mustn't be impounding
she mustn't be impounding
we mustn't be impounding
you mustn't be impounding
they mustn't be impounding	I mustn't have impounded
you mustn't have impounded
she mustn't have impounded
we mustn't have impounded
you mustn't have impounded
they mustn't have impounded	I mustn't have been impounding
you mustn't have been impounding
she mustn't have been impounding
we mustn't have been impounding
you mustn't have been impounding
they mustn't have been impounding	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I impound?
must you impound?
must she impound?
must we impound?
must you impound?
must they impound? 	must I be impounding?
must you be impounding?
must she be impounding?
must we be impounding?
must you be impounding?
must they be impounding? 	must I have impounded?
must you have impounded?
must she have impounded?
must we have impounded?
must you have impounded?
must they have impounded? 	must I have been impounding?
must you have been impounding?
must she have been impounding?
must we have been impounding?
must you have been impounding?
must they have been impounding? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I impound?
mustn't you impound?
mustn't she impound?
mustn't we impound?
mustn't you impound?
mustn't they impound? 	mustn't I be impounding?
mustn't you be impounding?
mustn't she be impounding?
mustn't we be impounding?
mustn't you be impounding?
mustn't they be impounding? 	mustn't I have impounded?
mustn't you have impounded?
mustn't she have impounded?
mustn't we have impounded?
mustn't you have impounded?
mustn't they have impounded? 	mustn't I have been impounding?
mustn't you have been impounding?
mustn't she have been impounding?
mustn't we have been impounding?
mustn't you have been impounding?
mustn't they have been impounding?