must buck
Regelmä&szlig;iges Verb: buck - bucked- bucked

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must buck
you must buck
he must buck
we must buck
you must buck
they must buck 	I must be bucking
you must be bucking
he must be bucking
we must be bucking
you must be bucking
they must be bucking	I must have bucked
you must have bucked
he must have bucked
we must have bucked
you must have bucked
they must have bucked	I must have been bucking
you must have been bucking
he must have been bucking
we must have been bucking
you must have been bucking
they must have been bucking	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I mustn't buck
you mustn't buck
he mustn't buck
we mustn't buck
you mustn't buck
they mustn't buck 	I mustn't be bucking
you mustn't be bucking
he mustn't be bucking
we mustn't be bucking
you mustn't be bucking
they mustn't be bucking	I mustn't have bucked
you mustn't have bucked
he mustn't have bucked
we mustn't have bucked
you mustn't have bucked
they mustn't have bucked	I mustn't have been bucking
you mustn't have been bucking
he mustn't have been bucking
we mustn't have been bucking
you mustn't have been bucking
they mustn't have been bucking	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I buck?
must you buck?
must he buck?
must we buck?
must you buck?
must they buck? 	must I be bucking?
must you be bucking?
must he be bucking?
must we be bucking?
must you be bucking?
must they be bucking? 	must I have bucked?
must you have bucked?
must he have bucked?
must we have bucked?
must you have bucked?
must they have bucked? 	must I have been bucking?
must you have been bucking?
must he have been bucking?
must we have been bucking?
must you have been bucking?
must they have been bucking? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
mustn't I buck?
mustn't you buck?
mustn't he buck?
mustn't we buck?
mustn't you buck?
mustn't they buck? 	mustn't I be bucking?
mustn't you be bucking?
mustn't he be bucking?
mustn't we be bucking?
mustn't you be bucking?
mustn't they be bucking? 	mustn't I have bucked?
mustn't you have bucked?
mustn't he have bucked?
mustn't we have bucked?
mustn't you have bucked?
mustn't they have bucked? 	mustn't I have been bucking?
mustn't you have been bucking?
mustn't he have been bucking?
mustn't we have been bucking?
mustn't you have been bucking?
mustn't they have been bucking?