must luff
Regelmä&szlig;iges Verb: luff - luffed- luffed

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must luff
you must luff
she must luff
we must luff
you must luff
they must luff 	I must be luffing
you must be luffing
she must be luffing
we must be luffing
you must be luffing
they must be luffing	I must have luffed
you must have luffed
she must have luffed
we must have luffed
you must have luffed
they must have luffed	I must have been luffing
you must have been luffing
she must have been luffing
we must have been luffing
you must have been luffing
they must have been luffing	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must not luff
you must not luff
she must not luff
we must not luff
you must not luff
they must not luff 	I must not be luffing
you must not be luffing
she must not be luffing
we must not be luffing
you must not be luffing
they must not be luffing	I must not have luffed
you must not have luffed
she must not have luffed
we must not have luffed
you must not have luffed
they must not have luffed	I must not have been luffing
you must not have been luffing
she must not have been luffing
we must not have been luffing
you must not have been luffing
they must not have been luffing	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I luff?
must you luff?
must she luff?
must we luff?
must you luff?
must they luff? 	must I be luffing?
must you be luffing?
must she be luffing?
must we be luffing?
must you be luffing?
must they be luffing? 	must I have luffed?
must you have luffed?
must she have luffed?
must we have luffed?
must you have luffed?
must they have luffed? 	must I have been luffing?
must you have been luffing?
must she have been luffing?
must we have been luffing?
must you have been luffing?
must they have been luffing? 	

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