must lesson
Regelmä&szlig;iges Verb: lesson - lessoned- lessoned

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must lesson
you must lesson
he must lesson
we must lesson
you must lesson
they must lesson 	I must be lessoning
you must be lessoning
he must be lessoning
we must be lessoning
you must be lessoning
they must be lessoning	I must have lessoned
you must have lessoned
he must have lessoned
we must have lessoned
you must have lessoned
they must have lessoned	I must have been lessoning
you must have been lessoning
he must have been lessoning
we must have been lessoning
you must have been lessoning
they must have been lessoning	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I mustn't lesson
you mustn't lesson
he mustn't lesson
we mustn't lesson
you mustn't lesson
they mustn't lesson 	I mustn't be lessoning
you mustn't be lessoning
he mustn't be lessoning
we mustn't be lessoning
you mustn't be lessoning
they mustn't be lessoning	I mustn't have lessoned
you mustn't have lessoned
he mustn't have lessoned
we mustn't have lessoned
you mustn't have lessoned
they mustn't have lessoned	I mustn't have been lessoning
you mustn't have been lessoning
he mustn't have been lessoning
we mustn't have been lessoning
you mustn't have been lessoning
they mustn't have been lessoning	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I lesson?
must you lesson?
must he lesson?
must we lesson?
must you lesson?
must they lesson? 	must I be lessoning?
must you be lessoning?
must he be lessoning?
must we be lessoning?
must you be lessoning?
must they be lessoning? 	must I have lessoned?
must you have lessoned?
must he have lessoned?
must we have lessoned?
must you have lessoned?
must they have lessoned? 	must I have been lessoning?
must you have been lessoning?
must he have been lessoning?
must we have been lessoning?
must you have been lessoning?
must they have been lessoning? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
mustn't I lesson?
mustn't you lesson?
mustn't he lesson?
mustn't we lesson?
mustn't you lesson?
mustn't they lesson? 	mustn't I be lessoning?
mustn't you be lessoning?
mustn't he be lessoning?
mustn't we be lessoning?
mustn't you be lessoning?
mustn't they be lessoning? 	mustn't I have lessoned?
mustn't you have lessoned?
mustn't he have lessoned?
mustn't we have lessoned?
mustn't you have lessoned?
mustn't they have lessoned? 	mustn't I have been lessoning?
mustn't you have been lessoning?
mustn't he have been lessoning?
mustn't we have been lessoning?
mustn't you have been lessoning?
mustn't they have been lessoning?