must yowl
Verbe régulier : yowl - yowled- yowled
Traduction française : miauler (fort) - hurler 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must yowl
you must yowl
he must yowl
we must yowl
you must yowl
they must yowl 	I must be yowling
you must be yowling
he must be yowling
we must be yowling
you must be yowling
they must be yowling	I must have yowled
you must have yowled
he must have yowled
we must have yowled
you must have yowled
they must have yowled	I must have been yowling
you must have been yowling
he must have been yowling
we must have been yowling
you must have been yowling
they must have been yowling	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't yowl
you mustn't yowl
he mustn't yowl
we mustn't yowl
you mustn't yowl
they mustn't yowl 	I mustn't be yowling
you mustn't be yowling
he mustn't be yowling
we mustn't be yowling
you mustn't be yowling
they mustn't be yowling	I mustn't have yowled
you mustn't have yowled
he mustn't have yowled
we mustn't have yowled
you mustn't have yowled
they mustn't have yowled	I mustn't have been yowling
you mustn't have been yowling
he mustn't have been yowling
we mustn't have been yowling
you mustn't have been yowling
they mustn't have been yowling	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I yowl?
must you yowl?
must he yowl?
must we yowl?
must you yowl?
must they yowl? 	must I be yowling?
must you be yowling?
must he be yowling?
must we be yowling?
must you be yowling?
must they be yowling? 	must I have yowled?
must you have yowled?
must he have yowled?
must we have yowled?
must you have yowled?
must they have yowled? 	must I have been yowling?
must you have been yowling?
must he have been yowling?
must we have been yowling?
must you have been yowling?
must they have been yowling? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I yowl?
mustn't you yowl?
mustn't he yowl?
mustn't we yowl?
mustn't you yowl?
mustn't they yowl? 	mustn't I be yowling?
mustn't you be yowling?
mustn't he be yowling?
mustn't we be yowling?
mustn't you be yowling?
mustn't they be yowling? 	mustn't I have yowled?
mustn't you have yowled?
mustn't he have yowled?
mustn't we have yowled?
mustn't you have yowled?
mustn't they have yowled? 	mustn't I have been yowling?
mustn't you have been yowling?
mustn't he have been yowling?
mustn't we have been yowling?
mustn't you have been yowling?
mustn't they have been yowling?