must flub
Verbe régulier : flub - flubed- flubed
Traduction française : rater - louper 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must flub
you must flub
he must flub
we must flub
you must flub
they must flub 	I must be flubing
you must be flubing
he must be flubing
we must be flubing
you must be flubing
they must be flubing	I must have flubed
you must have flubed
he must have flubed
we must have flubed
you must have flubed
they must have flubed	I must have been flubing
you must have been flubing
he must have been flubing
we must have been flubing
you must have been flubing
they must have been flubing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't flub
you mustn't flub
he mustn't flub
we mustn't flub
you mustn't flub
they mustn't flub 	I mustn't be flubing
you mustn't be flubing
he mustn't be flubing
we mustn't be flubing
you mustn't be flubing
they mustn't be flubing	I mustn't have flubed
you mustn't have flubed
he mustn't have flubed
we mustn't have flubed
you mustn't have flubed
they mustn't have flubed	I mustn't have been flubing
you mustn't have been flubing
he mustn't have been flubing
we mustn't have been flubing
you mustn't have been flubing
they mustn't have been flubing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I flub?
must you flub?
must he flub?
must we flub?
must you flub?
must they flub? 	must I be flubing?
must you be flubing?
must he be flubing?
must we be flubing?
must you be flubing?
must they be flubing? 	must I have flubed?
must you have flubed?
must he have flubed?
must we have flubed?
must you have flubed?
must they have flubed? 	must I have been flubing?
must you have been flubing?
must he have been flubing?
must we have been flubing?
must you have been flubing?
must they have been flubing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I flub?
mustn't you flub?
mustn't he flub?
mustn't we flub?
mustn't you flub?
mustn't they flub? 	mustn't I be flubing?
mustn't you be flubing?
mustn't he be flubing?
mustn't we be flubing?
mustn't you be flubing?
mustn't they be flubing? 	mustn't I have flubed?
mustn't you have flubed?
mustn't he have flubed?
mustn't we have flubed?
mustn't you have flubed?
mustn't they have flubed? 	mustn't I have been flubing?
mustn't you have been flubing?
mustn't he have been flubing?
mustn't we have been flubing?
mustn't you have been flubing?
mustn't they have been flubing?