must underrun
Unregelmä&szlig;iges Verb: underrun - underran- underrun

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must underrun
you must underrun
she must underrun
we must underrun
you must underrun
they must underrun 	I must be underruning
you must be underruning
she must be underruning
we must be underruning
you must be underruning
they must be underruning	I must have underrun
you must have underrun
she must have underrun
we must have underrun
you must have underrun
they must have underrun	I must have been underruning
you must have been underruning
she must have been underruning
we must have been underruning
you must have been underruning
they must have been underruning	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must not underrun
you must not underrun
she must not underrun
we must not underrun
you must not underrun
they must not underrun 	I must not be underruning
you must not be underruning
she must not be underruning
we must not be underruning
you must not be underruning
they must not be underruning	I must not have underrun
you must not have underrun
she must not have underrun
we must not have underrun
you must not have underrun
they must not have underrun	I must not have been underruning
you must not have been underruning
she must not have been underruning
we must not have been underruning
you must not have been underruning
they must not have been underruning	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I underrun?
must you underrun?
must she underrun?
must we underrun?
must you underrun?
must they underrun? 	must I be underruning?
must you be underruning?
must she be underruning?
must we be underruning?
must you be underruning?
must they be underruning? 	must I have underrun?
must you have underrun?
must she have underrun?
must we have underrun?
must you have underrun?
must they have underrun? 	must I have been underruning?
must you have been underruning?
must she have been underruning?
must we have been underruning?
must you have been underruning?
must they have been underruning? 	

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