must dull
Regelmä&szlig;iges Verb: dull - dulled- dulled

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must dull
you must dull
she must dull
we must dull
you must dull
they must dull 	I must be dulling
you must be dulling
she must be dulling
we must be dulling
you must be dulling
they must be dulling	I must have dulled
you must have dulled
she must have dulled
we must have dulled
you must have dulled
they must have dulled	I must have been dulling
you must have been dulling
she must have been dulling
we must have been dulling
you must have been dulling
they must have been dulling	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must not dull
you must not dull
she must not dull
we must not dull
you must not dull
they must not dull 	I must not be dulling
you must not be dulling
she must not be dulling
we must not be dulling
you must not be dulling
they must not be dulling	I must not have dulled
you must not have dulled
she must not have dulled
we must not have dulled
you must not have dulled
they must not have dulled	I must not have been dulling
you must not have been dulling
she must not have been dulling
we must not have been dulling
you must not have been dulling
they must not have been dulling	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I dull?
must you dull?
must she dull?
must we dull?
must you dull?
must they dull? 	must I be dulling?
must you be dulling?
must she be dulling?
must we be dulling?
must you be dulling?
must they be dulling? 	must I have dulled?
must you have dulled?
must she have dulled?
must we have dulled?
must you have dulled?
must they have dulled? 	must I have been dulling?
must you have been dulling?
must she have been dulling?
must we have been dulling?
must you have been dulling?
must they have been dulling? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I not dull?
must you not dull?
must she not dull?
must we not dull?
must you not dull?
must they not dull? 	must I not be dulling?
must you not be dulling?
must she not be dulling?
must we not be dulling?
must you not be dulling?
must they not be dulling? 	must I not have dulled?
must you not have dulled?
must she not have dulled?
must we not have dulled?
must you not have dulled?
must they not have dulled? 	must I not have been dulling?
must you not have been dulling?
must she not have been dulling?
must we not have been dulling?
must you not have been dulling?
must they not have been dulling?