must sound
Regelmä&szlig;iges Verb: sound - sounded- sounded

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must sound
you must sound
she must sound
we must sound
you must sound
they must sound 	I must be sounding
you must be sounding
she must be sounding
we must be sounding
you must be sounding
they must be sounding	I must have sounded
you must have sounded
she must have sounded
we must have sounded
you must have sounded
they must have sounded	I must have been sounding
you must have been sounding
she must have been sounding
we must have been sounding
you must have been sounding
they must have been sounding	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I mustn't sound
you mustn't sound
she mustn't sound
we mustn't sound
you mustn't sound
they mustn't sound 	I mustn't be sounding
you mustn't be sounding
she mustn't be sounding
we mustn't be sounding
you mustn't be sounding
they mustn't be sounding	I mustn't have sounded
you mustn't have sounded
she mustn't have sounded
we mustn't have sounded
you mustn't have sounded
they mustn't have sounded	I mustn't have been sounding
you mustn't have been sounding
she mustn't have been sounding
we mustn't have been sounding
you mustn't have been sounding
they mustn't have been sounding	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I sound?
must you sound?
must she sound?
must we sound?
must you sound?
must they sound? 	must I be sounding?
must you be sounding?
must she be sounding?
must we be sounding?
must you be sounding?
must they be sounding? 	must I have sounded?
must you have sounded?
must she have sounded?
must we have sounded?
must you have sounded?
must they have sounded? 	must I have been sounding?
must you have been sounding?
must she have been sounding?
must we have been sounding?
must you have been sounding?
must they have been sounding? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
mustn't I sound?
mustn't you sound?
mustn't she sound?
mustn't we sound?
mustn't you sound?
mustn't they sound? 	mustn't I be sounding?
mustn't you be sounding?
mustn't she be sounding?
mustn't we be sounding?
mustn't you be sounding?
mustn't they be sounding? 	mustn't I have sounded?
mustn't you have sounded?
mustn't she have sounded?
mustn't we have sounded?
mustn't you have sounded?
mustn't they have sounded? 	mustn't I have been sounding?
mustn't you have been sounding?
mustn't she have been sounding?
mustn't we have been sounding?
mustn't you have been sounding?
mustn't they have been sounding?