must gum
Regelmä&szlig;iges Verb: gum - gummed- gummed

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must gum
you must gum
he must gum
we must gum
you must gum
they must gum 	I must be gumming
you must be gumming
he must be gumming
we must be gumming
you must be gumming
they must be gumming	I must have gummed
you must have gummed
he must have gummed
we must have gummed
you must have gummed
they must have gummed	I must have been gumming
you must have been gumming
he must have been gumming
we must have been gumming
you must have been gumming
they must have been gumming	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must not gum
you must not gum
he must not gum
we must not gum
you must not gum
they must not gum 	I must not be gumming
you must not be gumming
he must not be gumming
we must not be gumming
you must not be gumming
they must not be gumming	I must not have gummed
you must not have gummed
he must not have gummed
we must not have gummed
you must not have gummed
they must not have gummed	I must not have been gumming
you must not have been gumming
he must not have been gumming
we must not have been gumming
you must not have been gumming
they must not have been gumming	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I gum?
must you gum?
must he gum?
must we gum?
must you gum?
must they gum? 	must I be gumming?
must you be gumming?
must he be gumming?
must we be gumming?
must you be gumming?
must they be gumming? 	must I have gummed?
must you have gummed?
must he have gummed?
must we have gummed?
must you have gummed?
must they have gummed? 	must I have been gumming?
must you have been gumming?
must he have been gumming?
must we have been gumming?
must you have been gumming?
must they have been gumming? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I not gum?
must you not gum?
must he not gum?
must we not gum?
must you not gum?
must they not gum? 	must I not be gumming?
must you not be gumming?
must he not be gumming?
must we not be gumming?
must you not be gumming?
must they not be gumming? 	must I not have gummed?
must you not have gummed?
must he not have gummed?
must we not have gummed?
must you not have gummed?
must they not have gummed? 	must I not have been gumming?
must you not have been gumming?
must he not have been gumming?
must we not have been gumming?
must you not have been gumming?
must they not have been gumming?