must peck
Regelmä&szlig;iges Verb: peck - pecked- pecked

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must peck
you must peck
he must peck
we must peck
you must peck
they must peck 	I must be pecking
you must be pecking
he must be pecking
we must be pecking
you must be pecking
they must be pecking	I must have pecked
you must have pecked
he must have pecked
we must have pecked
you must have pecked
they must have pecked	I must have been pecking
you must have been pecking
he must have been pecking
we must have been pecking
you must have been pecking
they must have been pecking	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I mustn't peck
you mustn't peck
he mustn't peck
we mustn't peck
you mustn't peck
they mustn't peck 	I mustn't be pecking
you mustn't be pecking
he mustn't be pecking
we mustn't be pecking
you mustn't be pecking
they mustn't be pecking	I mustn't have pecked
you mustn't have pecked
he mustn't have pecked
we mustn't have pecked
you mustn't have pecked
they mustn't have pecked	I mustn't have been pecking
you mustn't have been pecking
he mustn't have been pecking
we mustn't have been pecking
you mustn't have been pecking
they mustn't have been pecking	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I peck?
must you peck?
must he peck?
must we peck?
must you peck?
must they peck? 	must I be pecking?
must you be pecking?
must he be pecking?
must we be pecking?
must you be pecking?
must they be pecking? 	must I have pecked?
must you have pecked?
must he have pecked?
must we have pecked?
must you have pecked?
must they have pecked? 	must I have been pecking?
must you have been pecking?
must he have been pecking?
must we have been pecking?
must you have been pecking?
must they have been pecking? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
mustn't I peck?
mustn't you peck?
mustn't he peck?
mustn't we peck?
mustn't you peck?
mustn't they peck? 	mustn't I be pecking?
mustn't you be pecking?
mustn't he be pecking?
mustn't we be pecking?
mustn't you be pecking?
mustn't they be pecking? 	mustn't I have pecked?
mustn't you have pecked?
mustn't he have pecked?
mustn't we have pecked?
mustn't you have pecked?
mustn't they have pecked? 	mustn't I have been pecking?
mustn't you have been pecking?
mustn't he have been pecking?
mustn't we have been pecking?
mustn't you have been pecking?
mustn't they have been pecking?