must fib
Regelmä&szlig;iges Verb: fib - fibbed- fibbed

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must fib
you must fib
he must fib
we must fib
you must fib
they must fib 	I must be fibbing
you must be fibbing
he must be fibbing
we must be fibbing
you must be fibbing
they must be fibbing	I must have fibbed
you must have fibbed
he must have fibbed
we must have fibbed
you must have fibbed
they must have fibbed	I must have been fibbing
you must have been fibbing
he must have been fibbing
we must have been fibbing
you must have been fibbing
they must have been fibbing	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I mustn't fib
you mustn't fib
he mustn't fib
we mustn't fib
you mustn't fib
they mustn't fib 	I mustn't be fibbing
you mustn't be fibbing
he mustn't be fibbing
we mustn't be fibbing
you mustn't be fibbing
they mustn't be fibbing	I mustn't have fibbed
you mustn't have fibbed
he mustn't have fibbed
we mustn't have fibbed
you mustn't have fibbed
they mustn't have fibbed	I mustn't have been fibbing
you mustn't have been fibbing
he mustn't have been fibbing
we mustn't have been fibbing
you mustn't have been fibbing
they mustn't have been fibbing	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I fib?
must you fib?
must he fib?
must we fib?
must you fib?
must they fib? 	must I be fibbing?
must you be fibbing?
must he be fibbing?
must we be fibbing?
must you be fibbing?
must they be fibbing? 	must I have fibbed?
must you have fibbed?
must he have fibbed?
must we have fibbed?
must you have fibbed?
must they have fibbed? 	must I have been fibbing?
must you have been fibbing?
must he have been fibbing?
must we have been fibbing?
must you have been fibbing?
must they have been fibbing? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
mustn't I fib?
mustn't you fib?
mustn't he fib?
mustn't we fib?
mustn't you fib?
mustn't they fib? 	mustn't I be fibbing?
mustn't you be fibbing?
mustn't he be fibbing?
mustn't we be fibbing?
mustn't you be fibbing?
mustn't they be fibbing? 	mustn't I have fibbed?
mustn't you have fibbed?
mustn't he have fibbed?
mustn't we have fibbed?
mustn't you have fibbed?
mustn't they have fibbed? 	mustn't I have been fibbing?
mustn't you have been fibbing?
mustn't he have been fibbing?
mustn't we have been fibbing?
mustn't you have been fibbing?
mustn't they have been fibbing?