must moo
Verbe régulier : moo - mooed- mooed
Traduction française : meugler - beugler 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must moo
you must moo
she must moo
we must moo
you must moo
they must moo 	I must be mooing
you must be mooing
she must be mooing
we must be mooing
you must be mooing
they must be mooing	I must have mooed
you must have mooed
she must have mooed
we must have mooed
you must have mooed
they must have mooed	I must have been mooing
you must have been mooing
she must have been mooing
we must have been mooing
you must have been mooing
they must have been mooing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't moo
you mustn't moo
she mustn't moo
we mustn't moo
you mustn't moo
they mustn't moo 	I mustn't be mooing
you mustn't be mooing
she mustn't be mooing
we mustn't be mooing
you mustn't be mooing
they mustn't be mooing	I mustn't have mooed
you mustn't have mooed
she mustn't have mooed
we mustn't have mooed
you mustn't have mooed
they mustn't have mooed	I mustn't have been mooing
you mustn't have been mooing
she mustn't have been mooing
we mustn't have been mooing
you mustn't have been mooing
they mustn't have been mooing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I moo?
must you moo?
must she moo?
must we moo?
must you moo?
must they moo? 	must I be mooing?
must you be mooing?
must she be mooing?
must we be mooing?
must you be mooing?
must they be mooing? 	must I have mooed?
must you have mooed?
must she have mooed?
must we have mooed?
must you have mooed?
must they have mooed? 	must I have been mooing?
must you have been mooing?
must she have been mooing?
must we have been mooing?
must you have been mooing?
must they have been mooing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I moo?
mustn't you moo?
mustn't she moo?
mustn't we moo?
mustn't you moo?
mustn't they moo? 	mustn't I be mooing?
mustn't you be mooing?
mustn't she be mooing?
mustn't we be mooing?
mustn't you be mooing?
mustn't they be mooing? 	mustn't I have mooed?
mustn't you have mooed?
mustn't she have mooed?
mustn't we have mooed?
mustn't you have mooed?
mustn't they have mooed? 	mustn't I have been mooing?
mustn't you have been mooing?
mustn't she have been mooing?
mustn't we have been mooing?
mustn't you have been mooing?
mustn't they have been mooing?