must howl
Regelmä&szlig;iges Verb: howl - howled- howled

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must howl
you must howl
he must howl
we must howl
you must howl
they must howl 	I must be howling
you must be howling
he must be howling
we must be howling
you must be howling
they must be howling	I must have howled
you must have howled
he must have howled
we must have howled
you must have howled
they must have howled	I must have been howling
you must have been howling
he must have been howling
we must have been howling
you must have been howling
they must have been howling	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I mustn't howl
you mustn't howl
he mustn't howl
we mustn't howl
you mustn't howl
they mustn't howl 	I mustn't be howling
you mustn't be howling
he mustn't be howling
we mustn't be howling
you mustn't be howling
they mustn't be howling	I mustn't have howled
you mustn't have howled
he mustn't have howled
we mustn't have howled
you mustn't have howled
they mustn't have howled	I mustn't have been howling
you mustn't have been howling
he mustn't have been howling
we mustn't have been howling
you mustn't have been howling
they mustn't have been howling	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I howl?
must you howl?
must he howl?
must we howl?
must you howl?
must they howl? 	must I be howling?
must you be howling?
must he be howling?
must we be howling?
must you be howling?
must they be howling? 	must I have howled?
must you have howled?
must he have howled?
must we have howled?
must you have howled?
must they have howled? 	must I have been howling?
must you have been howling?
must he have been howling?
must we have been howling?
must you have been howling?
must they have been howling? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
mustn't I howl?
mustn't you howl?
mustn't he howl?
mustn't we howl?
mustn't you howl?
mustn't they howl? 	mustn't I be howling?
mustn't you be howling?
mustn't he be howling?
mustn't we be howling?
mustn't you be howling?
mustn't they be howling? 	mustn't I have howled?
mustn't you have howled?
mustn't he have howled?
mustn't we have howled?
mustn't you have howled?
mustn't they have howled? 	mustn't I have been howling?
mustn't you have been howling?
mustn't he have been howling?
mustn't we have been howling?
mustn't you have been howling?
mustn't they have been howling?