must bungle
Verbe régulier : bungle - bungled- bungled
Traduction française : gâcher 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must bungle
you must bungle
he must bungle
we must bungle
you must bungle
they must bungle 	I must be bungling
you must be bungling
he must be bungling
we must be bungling
you must be bungling
they must be bungling	I must have bungled
you must have bungled
he must have bungled
we must have bungled
you must have bungled
they must have bungled	I must have been bungling
you must have been bungling
he must have been bungling
we must have been bungling
you must have been bungling
they must have been bungling	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't bungle
you mustn't bungle
he mustn't bungle
we mustn't bungle
you mustn't bungle
they mustn't bungle 	I mustn't be bungling
you mustn't be bungling
he mustn't be bungling
we mustn't be bungling
you mustn't be bungling
they mustn't be bungling	I mustn't have bungled
you mustn't have bungled
he mustn't have bungled
we mustn't have bungled
you mustn't have bungled
they mustn't have bungled	I mustn't have been bungling
you mustn't have been bungling
he mustn't have been bungling
we mustn't have been bungling
you mustn't have been bungling
they mustn't have been bungling	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I bungle?
must you bungle?
must he bungle?
must we bungle?
must you bungle?
must they bungle? 	must I be bungling?
must you be bungling?
must he be bungling?
must we be bungling?
must you be bungling?
must they be bungling? 	must I have bungled?
must you have bungled?
must he have bungled?
must we have bungled?
must you have bungled?
must they have bungled? 	must I have been bungling?
must you have been bungling?
must he have been bungling?
must we have been bungling?
must you have been bungling?
must they have been bungling? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I bungle?
mustn't you bungle?
mustn't he bungle?
mustn't we bungle?
mustn't you bungle?
mustn't they bungle? 	mustn't I be bungling?
mustn't you be bungling?
mustn't he be bungling?
mustn't we be bungling?
mustn't you be bungling?
mustn't they be bungling? 	mustn't I have bungled?
mustn't you have bungled?
mustn't he have bungled?
mustn't we have bungled?
mustn't you have bungled?
mustn't they have bungled? 	mustn't I have been bungling?
mustn't you have been bungling?
mustn't he have been bungling?
mustn't we have been bungling?
mustn't you have been bungling?
mustn't they have been bungling?