must muffle
Regelmä&szlig;iges Verb: muffle - muffled- muffled

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must muffle
you must muffle
she must muffle
we must muffle
you must muffle
they must muffle 	I must be muffling
you must be muffling
she must be muffling
we must be muffling
you must be muffling
they must be muffling	I must have muffled
you must have muffled
she must have muffled
we must have muffled
you must have muffled
they must have muffled	I must have been muffling
you must have been muffling
she must have been muffling
we must have been muffling
you must have been muffling
they must have been muffling	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I mustn't muffle
you mustn't muffle
she mustn't muffle
we mustn't muffle
you mustn't muffle
they mustn't muffle 	I mustn't be muffling
you mustn't be muffling
she mustn't be muffling
we mustn't be muffling
you mustn't be muffling
they mustn't be muffling	I mustn't have muffled
you mustn't have muffled
she mustn't have muffled
we mustn't have muffled
you mustn't have muffled
they mustn't have muffled	I mustn't have been muffling
you mustn't have been muffling
she mustn't have been muffling
we mustn't have been muffling
you mustn't have been muffling
they mustn't have been muffling	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I muffle?
must you muffle?
must she muffle?
must we muffle?
must you muffle?
must they muffle? 	must I be muffling?
must you be muffling?
must she be muffling?
must we be muffling?
must you be muffling?
must they be muffling? 	must I have muffled?
must you have muffled?
must she have muffled?
must we have muffled?
must you have muffled?
must they have muffled? 	must I have been muffling?
must you have been muffling?
must she have been muffling?
must we have been muffling?
must you have been muffling?
must they have been muffling? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
mustn't I muffle?
mustn't you muffle?
mustn't she muffle?
mustn't we muffle?
mustn't you muffle?
mustn't they muffle? 	mustn't I be muffling?
mustn't you be muffling?
mustn't she be muffling?
mustn't we be muffling?
mustn't you be muffling?
mustn't they be muffling? 	mustn't I have muffled?
mustn't you have muffled?
mustn't she have muffled?
mustn't we have muffled?
mustn't you have muffled?
mustn't they have muffled? 	mustn't I have been muffling?
mustn't you have been muffling?
mustn't she have been muffling?
mustn't we have been muffling?
mustn't you have been muffling?
mustn't they have been muffling?