must preharden
Regelmä&szlig;iges Verb: preharden - prehardened- prehardened

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must preharden
you must preharden
she must preharden
we must preharden
you must preharden
they must preharden 	I must be prehardening
you must be prehardening
she must be prehardening
we must be prehardening
you must be prehardening
they must be prehardening	I must have prehardened
you must have prehardened
she must have prehardened
we must have prehardened
you must have prehardened
they must have prehardened	I must have been prehardening
you must have been prehardening
she must have been prehardening
we must have been prehardening
you must have been prehardening
they must have been prehardening	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must not preharden
you must not preharden
she must not preharden
we must not preharden
you must not preharden
they must not preharden 	I must not be prehardening
you must not be prehardening
she must not be prehardening
we must not be prehardening
you must not be prehardening
they must not be prehardening	I must not have prehardened
you must not have prehardened
she must not have prehardened
we must not have prehardened
you must not have prehardened
they must not have prehardened	I must not have been prehardening
you must not have been prehardening
she must not have been prehardening
we must not have been prehardening
you must not have been prehardening
they must not have been prehardening	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I preharden?
must you preharden?
must she preharden?
must we preharden?
must you preharden?
must they preharden? 	must I be prehardening?
must you be prehardening?
must she be prehardening?
must we be prehardening?
must you be prehardening?
must they be prehardening? 	must I have prehardened?
must you have prehardened?
must she have prehardened?
must we have prehardened?
must you have prehardened?
must they have prehardened? 	must I have been prehardening?
must you have been prehardening?
must she have been prehardening?
must we have been prehardening?
must you have been prehardening?
must they have been prehardening? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I not preharden?
must you not preharden?
must she not preharden?
must we not preharden?
must you not preharden?
must they not preharden? 	must I not be prehardening?
must you not be prehardening?
must she not be prehardening?
must we not be prehardening?
must you not be prehardening?
must they not be prehardening? 	must I not have prehardened?
must you not have prehardened?
must she not have prehardened?
must we not have prehardened?
must you not have prehardened?
must they not have prehardened? 	must I not have been prehardening?
must you not have been prehardening?
must she not have been prehardening?
must we not have been prehardening?
must you not have been prehardening?
must they not have been prehardening?