must invalid
Regelmä&szlig;iges Verb: invalid - invalided- invalided

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must invalid
you must invalid
he must invalid
we must invalid
you must invalid
they must invalid 	I must be invaliding
you must be invaliding
he must be invaliding
we must be invaliding
you must be invaliding
they must be invaliding	I must have invalided
you must have invalided
he must have invalided
we must have invalided
you must have invalided
they must have invalided	I must have been invaliding
you must have been invaliding
he must have been invaliding
we must have been invaliding
you must have been invaliding
they must have been invaliding	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must not invalid
you must not invalid
he must not invalid
we must not invalid
you must not invalid
they must not invalid 	I must not be invaliding
you must not be invaliding
he must not be invaliding
we must not be invaliding
you must not be invaliding
they must not be invaliding	I must not have invalided
you must not have invalided
he must not have invalided
we must not have invalided
you must not have invalided
they must not have invalided	I must not have been invaliding
you must not have been invaliding
he must not have been invaliding
we must not have been invaliding
you must not have been invaliding
they must not have been invaliding	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I invalid?
must you invalid?
must he invalid?
must we invalid?
must you invalid?
must they invalid? 	must I be invaliding?
must you be invaliding?
must he be invaliding?
must we be invaliding?
must you be invaliding?
must they be invaliding? 	must I have invalided?
must you have invalided?
must he have invalided?
must we have invalided?
must you have invalided?
must they have invalided? 	must I have been invaliding?
must you have been invaliding?
must he have been invaliding?
must we have been invaliding?
must you have been invaliding?
must they have been invaliding? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I not invalid?
must you not invalid?
must he not invalid?
must we not invalid?
must you not invalid?
must they not invalid? 	must I not be invaliding?
must you not be invaliding?
must he not be invaliding?
must we not be invaliding?
must you not be invaliding?
must they not be invaliding? 	must I not have invalided?
must you not have invalided?
must he not have invalided?
must we not have invalided?
must you not have invalided?
must they not have invalided? 	must I not have been invaliding?
must you not have been invaliding?
must he not have been invaliding?
must we not have been invaliding?
must you not have been invaliding?
must they not have been invaliding?