must knock
Regelmä&szlig;iges Verb: knock - knocked- knocked

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must knock
you must knock
he must knock
we must knock
you must knock
they must knock 	I must be knocking
you must be knocking
he must be knocking
we must be knocking
you must be knocking
they must be knocking	I must have knocked
you must have knocked
he must have knocked
we must have knocked
you must have knocked
they must have knocked	I must have been knocking
you must have been knocking
he must have been knocking
we must have been knocking
you must have been knocking
they must have been knocking	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I mustn't knock
you mustn't knock
he mustn't knock
we mustn't knock
you mustn't knock
they mustn't knock 	I mustn't be knocking
you mustn't be knocking
he mustn't be knocking
we mustn't be knocking
you mustn't be knocking
they mustn't be knocking	I mustn't have knocked
you mustn't have knocked
he mustn't have knocked
we mustn't have knocked
you mustn't have knocked
they mustn't have knocked	I mustn't have been knocking
you mustn't have been knocking
he mustn't have been knocking
we mustn't have been knocking
you mustn't have been knocking
they mustn't have been knocking	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I knock?
must you knock?
must he knock?
must we knock?
must you knock?
must they knock? 	must I be knocking?
must you be knocking?
must he be knocking?
must we be knocking?
must you be knocking?
must they be knocking? 	must I have knocked?
must you have knocked?
must he have knocked?
must we have knocked?
must you have knocked?
must they have knocked? 	must I have been knocking?
must you have been knocking?
must he have been knocking?
must we have been knocking?
must you have been knocking?
must they have been knocking? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
mustn't I knock?
mustn't you knock?
mustn't he knock?
mustn't we knock?
mustn't you knock?
mustn't they knock? 	mustn't I be knocking?
mustn't you be knocking?
mustn't he be knocking?
mustn't we be knocking?
mustn't you be knocking?
mustn't they be knocking? 	mustn't I have knocked?
mustn't you have knocked?
mustn't he have knocked?
mustn't we have knocked?
mustn't you have knocked?
mustn't they have knocked? 	mustn't I have been knocking?
mustn't you have been knocking?
mustn't he have been knocking?
mustn't we have been knocking?
mustn't you have been knocking?
mustn't they have been knocking?