must steal
Verbe irrégulier : steal - stole- stolen
Traduction française : voler - dérober 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must steal
you must steal
he must steal
we must steal
you must steal
they must steal 	I must be stealing
you must be stealing
he must be stealing
we must be stealing
you must be stealing
they must be stealing	I must have stolen
you must have stolen
he must have stolen
we must have stolen
you must have stolen
they must have stolen	I must have been stealing
you must have been stealing
he must have been stealing
we must have been stealing
you must have been stealing
they must have been stealing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't steal
you mustn't steal
he mustn't steal
we mustn't steal
you mustn't steal
they mustn't steal 	I mustn't be stealing
you mustn't be stealing
he mustn't be stealing
we mustn't be stealing
you mustn't be stealing
they mustn't be stealing	I mustn't have stolen
you mustn't have stolen
he mustn't have stolen
we mustn't have stolen
you mustn't have stolen
they mustn't have stolen	I mustn't have been stealing
you mustn't have been stealing
he mustn't have been stealing
we mustn't have been stealing
you mustn't have been stealing
they mustn't have been stealing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I steal?
must you steal?
must he steal?
must we steal?
must you steal?
must they steal? 	must I be stealing?
must you be stealing?
must he be stealing?
must we be stealing?
must you be stealing?
must they be stealing? 	must I have stolen?
must you have stolen?
must he have stolen?
must we have stolen?
must you have stolen?
must they have stolen? 	must I have been stealing?
must you have been stealing?
must he have been stealing?
must we have been stealing?
must you have been stealing?
must they have been stealing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I steal?
mustn't you steal?
mustn't he steal?
mustn't we steal?
mustn't you steal?
mustn't they steal? 	mustn't I be stealing?
mustn't you be stealing?
mustn't he be stealing?
mustn't we be stealing?
mustn't you be stealing?
mustn't they be stealing? 	mustn't I have stolen?
mustn't you have stolen?
mustn't he have stolen?
mustn't we have stolen?
mustn't you have stolen?
mustn't they have stolen? 	mustn't I have been stealing?
mustn't you have been stealing?
mustn't he have been stealing?
mustn't we have been stealing?
mustn't you have been stealing?
mustn't they have been stealing?