must cuckoo
Regelmä&szlig;iges Verb: cuckoo - cuckooed- cuckooed

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must cuckoo
you must cuckoo
he must cuckoo
we must cuckoo
you must cuckoo
they must cuckoo 	I must be cuckooing
you must be cuckooing
he must be cuckooing
we must be cuckooing
you must be cuckooing
they must be cuckooing	I must have cuckooed
you must have cuckooed
he must have cuckooed
we must have cuckooed
you must have cuckooed
they must have cuckooed	I must have been cuckooing
you must have been cuckooing
he must have been cuckooing
we must have been cuckooing
you must have been cuckooing
they must have been cuckooing	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I mustn't cuckoo
you mustn't cuckoo
he mustn't cuckoo
we mustn't cuckoo
you mustn't cuckoo
they mustn't cuckoo 	I mustn't be cuckooing
you mustn't be cuckooing
he mustn't be cuckooing
we mustn't be cuckooing
you mustn't be cuckooing
they mustn't be cuckooing	I mustn't have cuckooed
you mustn't have cuckooed
he mustn't have cuckooed
we mustn't have cuckooed
you mustn't have cuckooed
they mustn't have cuckooed	I mustn't have been cuckooing
you mustn't have been cuckooing
he mustn't have been cuckooing
we mustn't have been cuckooing
you mustn't have been cuckooing
they mustn't have been cuckooing	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I cuckoo?
must you cuckoo?
must he cuckoo?
must we cuckoo?
must you cuckoo?
must they cuckoo? 	must I be cuckooing?
must you be cuckooing?
must he be cuckooing?
must we be cuckooing?
must you be cuckooing?
must they be cuckooing? 	must I have cuckooed?
must you have cuckooed?
must he have cuckooed?
must we have cuckooed?
must you have cuckooed?
must they have cuckooed? 	must I have been cuckooing?
must you have been cuckooing?
must he have been cuckooing?
must we have been cuckooing?
must you have been cuckooing?
must they have been cuckooing? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
mustn't I cuckoo?
mustn't you cuckoo?
mustn't he cuckoo?
mustn't we cuckoo?
mustn't you cuckoo?
mustn't they cuckoo? 	mustn't I be cuckooing?
mustn't you be cuckooing?
mustn't he be cuckooing?
mustn't we be cuckooing?
mustn't you be cuckooing?
mustn't they be cuckooing? 	mustn't I have cuckooed?
mustn't you have cuckooed?
mustn't he have cuckooed?
mustn't we have cuckooed?
mustn't you have cuckooed?
mustn't they have cuckooed? 	mustn't I have been cuckooing?
mustn't you have been cuckooing?
mustn't he have been cuckooing?
mustn't we have been cuckooing?
mustn't you have been cuckooing?
mustn't they have been cuckooing?