must hiss
Regelmä&szlig;iges Verb: hiss - hissed- hissed

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must hiss
you must hiss
she must hiss
we must hiss
you must hiss
they must hiss 	I must be hissing
you must be hissing
she must be hissing
we must be hissing
you must be hissing
they must be hissing	I must have hissed
you must have hissed
she must have hissed
we must have hissed
you must have hissed
they must have hissed	I must have been hissing
you must have been hissing
she must have been hissing
we must have been hissing
you must have been hissing
they must have been hissing	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I mustn't hiss
you mustn't hiss
she mustn't hiss
we mustn't hiss
you mustn't hiss
they mustn't hiss 	I mustn't be hissing
you mustn't be hissing
she mustn't be hissing
we mustn't be hissing
you mustn't be hissing
they mustn't be hissing	I mustn't have hissed
you mustn't have hissed
she mustn't have hissed
we mustn't have hissed
you mustn't have hissed
they mustn't have hissed	I mustn't have been hissing
you mustn't have been hissing
she mustn't have been hissing
we mustn't have been hissing
you mustn't have been hissing
they mustn't have been hissing	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I hiss?
must you hiss?
must she hiss?
must we hiss?
must you hiss?
must they hiss? 	must I be hissing?
must you be hissing?
must she be hissing?
must we be hissing?
must you be hissing?
must they be hissing? 	must I have hissed?
must you have hissed?
must she have hissed?
must we have hissed?
must you have hissed?
must they have hissed? 	must I have been hissing?
must you have been hissing?
must she have been hissing?
must we have been hissing?
must you have been hissing?
must they have been hissing? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
mustn't I hiss?
mustn't you hiss?
mustn't she hiss?
mustn't we hiss?
mustn't you hiss?
mustn't they hiss? 	mustn't I be hissing?
mustn't you be hissing?
mustn't she be hissing?
mustn't we be hissing?
mustn't you be hissing?
mustn't they be hissing? 	mustn't I have hissed?
mustn't you have hissed?
mustn't she have hissed?
mustn't we have hissed?
mustn't you have hissed?
mustn't they have hissed? 	mustn't I have been hissing?
mustn't you have been hissing?
mustn't she have been hissing?
mustn't we have been hissing?
mustn't you have been hissing?
mustn't they have been hissing?