must behave
Regelmä&szlig;iges Verb: behave - behaved- behaved

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must behave
you must behave
he must behave
we must behave
you must behave
they must behave 	I must be behaving
you must be behaving
he must be behaving
we must be behaving
you must be behaving
they must be behaving	I must have behaved
you must have behaved
he must have behaved
we must have behaved
you must have behaved
they must have behaved	I must have been behaving
you must have been behaving
he must have been behaving
we must have been behaving
you must have been behaving
they must have been behaving	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must not behave
you must not behave
he must not behave
we must not behave
you must not behave
they must not behave 	I must not be behaving
you must not be behaving
he must not be behaving
we must not be behaving
you must not be behaving
they must not be behaving	I must not have behaved
you must not have behaved
he must not have behaved
we must not have behaved
you must not have behaved
they must not have behaved	I must not have been behaving
you must not have been behaving
he must not have been behaving
we must not have been behaving
you must not have been behaving
they must not have been behaving	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I behave?
must you behave?
must he behave?
must we behave?
must you behave?
must they behave? 	must I be behaving?
must you be behaving?
must he be behaving?
must we be behaving?
must you be behaving?
must they be behaving? 	must I have behaved?
must you have behaved?
must he have behaved?
must we have behaved?
must you have behaved?
must they have behaved? 	must I have been behaving?
must you have been behaving?
must he have been behaving?
must we have been behaving?
must you have been behaving?
must they have been behaving? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I not behave?
must you not behave?
must he not behave?
must we not behave?
must you not behave?
must they not behave? 	must I not be behaving?
must you not be behaving?
must he not be behaving?
must we not be behaving?
must you not be behaving?
must they not be behaving? 	must I not have behaved?
must you not have behaved?
must he not have behaved?
must we not have behaved?
must you not have behaved?
must they not have behaved? 	must I not have been behaving?
must you not have been behaving?
must he not have been behaving?
must we not have been behaving?
must you not have been behaving?
must they not have been behaving?