must decelerate
Regelmä&szlig;iges Verb: decelerate - decelerated- decelerated

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must decelerate
you must decelerate
she must decelerate
we must decelerate
you must decelerate
they must decelerate 	I must be decelerating
you must be decelerating
she must be decelerating
we must be decelerating
you must be decelerating
they must be decelerating	I must have decelerated
you must have decelerated
she must have decelerated
we must have decelerated
you must have decelerated
they must have decelerated	I must have been decelerating
you must have been decelerating
she must have been decelerating
we must have been decelerating
you must have been decelerating
they must have been decelerating	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I mustn't decelerate
you mustn't decelerate
she mustn't decelerate
we mustn't decelerate
you mustn't decelerate
they mustn't decelerate 	I mustn't be decelerating
you mustn't be decelerating
she mustn't be decelerating
we mustn't be decelerating
you mustn't be decelerating
they mustn't be decelerating	I mustn't have decelerated
you mustn't have decelerated
she mustn't have decelerated
we mustn't have decelerated
you mustn't have decelerated
they mustn't have decelerated	I mustn't have been decelerating
you mustn't have been decelerating
she mustn't have been decelerating
we mustn't have been decelerating
you mustn't have been decelerating
they mustn't have been decelerating	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I decelerate?
must you decelerate?
must she decelerate?
must we decelerate?
must you decelerate?
must they decelerate? 	must I be decelerating?
must you be decelerating?
must she be decelerating?
must we be decelerating?
must you be decelerating?
must they be decelerating? 	must I have decelerated?
must you have decelerated?
must she have decelerated?
must we have decelerated?
must you have decelerated?
must they have decelerated? 	must I have been decelerating?
must you have been decelerating?
must she have been decelerating?
must we have been decelerating?
must you have been decelerating?
must they have been decelerating? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
mustn't I decelerate?
mustn't you decelerate?
mustn't she decelerate?
mustn't we decelerate?
mustn't you decelerate?
mustn't they decelerate? 	mustn't I be decelerating?
mustn't you be decelerating?
mustn't she be decelerating?
mustn't we be decelerating?
mustn't you be decelerating?
mustn't they be decelerating? 	mustn't I have decelerated?
mustn't you have decelerated?
mustn't she have decelerated?
mustn't we have decelerated?
mustn't you have decelerated?
mustn't they have decelerated? 	mustn't I have been decelerating?
mustn't you have been decelerating?
mustn't she have been decelerating?
mustn't we have been decelerating?
mustn't you have been decelerating?
mustn't they have been decelerating?