must stump
Verbe régulier : stump - stumped- stumped
Traduction française : laisser perplexe - marcher d'un pas lourd 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must stump
you must stump
he must stump
we must stump
you must stump
they must stump 	I must be stumping
you must be stumping
he must be stumping
we must be stumping
you must be stumping
they must be stumping	I must have stumped
you must have stumped
he must have stumped
we must have stumped
you must have stumped
they must have stumped	I must have been stumping
you must have been stumping
he must have been stumping
we must have been stumping
you must have been stumping
they must have been stumping	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't stump
you mustn't stump
he mustn't stump
we mustn't stump
you mustn't stump
they mustn't stump 	I mustn't be stumping
you mustn't be stumping
he mustn't be stumping
we mustn't be stumping
you mustn't be stumping
they mustn't be stumping	I mustn't have stumped
you mustn't have stumped
he mustn't have stumped
we mustn't have stumped
you mustn't have stumped
they mustn't have stumped	I mustn't have been stumping
you mustn't have been stumping
he mustn't have been stumping
we mustn't have been stumping
you mustn't have been stumping
they mustn't have been stumping	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I stump?
must you stump?
must he stump?
must we stump?
must you stump?
must they stump? 	must I be stumping?
must you be stumping?
must he be stumping?
must we be stumping?
must you be stumping?
must they be stumping? 	must I have stumped?
must you have stumped?
must he have stumped?
must we have stumped?
must you have stumped?
must they have stumped? 	must I have been stumping?
must you have been stumping?
must he have been stumping?
must we have been stumping?
must you have been stumping?
must they have been stumping? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I stump?
mustn't you stump?
mustn't he stump?
mustn't we stump?
mustn't you stump?
mustn't they stump? 	mustn't I be stumping?
mustn't you be stumping?
mustn't he be stumping?
mustn't we be stumping?
mustn't you be stumping?
mustn't they be stumping? 	mustn't I have stumped?
mustn't you have stumped?
mustn't he have stumped?
mustn't we have stumped?
mustn't you have stumped?
mustn't they have stumped? 	mustn't I have been stumping?
mustn't you have been stumping?
mustn't he have been stumping?
mustn't we have been stumping?
mustn't you have been stumping?
mustn't they have been stumping?