must intern
Regelmä&szlig;iges Verb: intern - interned- interned

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must intern
you must intern
he must intern
we must intern
you must intern
they must intern 	I must be interning
you must be interning
he must be interning
we must be interning
you must be interning
they must be interning	I must have interned
you must have interned
he must have interned
we must have interned
you must have interned
they must have interned	I must have been interning
you must have been interning
he must have been interning
we must have been interning
you must have been interning
they must have been interning	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I mustn't intern
you mustn't intern
he mustn't intern
we mustn't intern
you mustn't intern
they mustn't intern 	I mustn't be interning
you mustn't be interning
he mustn't be interning
we mustn't be interning
you mustn't be interning
they mustn't be interning	I mustn't have interned
you mustn't have interned
he mustn't have interned
we mustn't have interned
you mustn't have interned
they mustn't have interned	I mustn't have been interning
you mustn't have been interning
he mustn't have been interning
we mustn't have been interning
you mustn't have been interning
they mustn't have been interning	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I intern?
must you intern?
must he intern?
must we intern?
must you intern?
must they intern? 	must I be interning?
must you be interning?
must he be interning?
must we be interning?
must you be interning?
must they be interning? 	must I have interned?
must you have interned?
must he have interned?
must we have interned?
must you have interned?
must they have interned? 	must I have been interning?
must you have been interning?
must he have been interning?
must we have been interning?
must you have been interning?
must they have been interning? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
mustn't I intern?
mustn't you intern?
mustn't he intern?
mustn't we intern?
mustn't you intern?
mustn't they intern? 	mustn't I be interning?
mustn't you be interning?
mustn't he be interning?
mustn't we be interning?
mustn't you be interning?
mustn't they be interning? 	mustn't I have interned?
mustn't you have interned?
mustn't he have interned?
mustn't we have interned?
mustn't you have interned?
mustn't they have interned? 	mustn't I have been interning?
mustn't you have been interning?
mustn't he have been interning?
mustn't we have been interning?
mustn't you have been interning?
mustn't they have been interning?