must scour
Verbe régulier : scour - scoured- scoured
Traduction française : récurer - rayer 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must scour
you must scour
he must scour
we must scour
you must scour
they must scour 	I must be scouring
you must be scouring
he must be scouring
we must be scouring
you must be scouring
they must be scouring	I must have scoured
you must have scoured
he must have scoured
we must have scoured
you must have scoured
they must have scoured	I must have been scouring
you must have been scouring
he must have been scouring
we must have been scouring
you must have been scouring
they must have been scouring	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't scour
you mustn't scour
he mustn't scour
we mustn't scour
you mustn't scour
they mustn't scour 	I mustn't be scouring
you mustn't be scouring
he mustn't be scouring
we mustn't be scouring
you mustn't be scouring
they mustn't be scouring	I mustn't have scoured
you mustn't have scoured
he mustn't have scoured
we mustn't have scoured
you mustn't have scoured
they mustn't have scoured	I mustn't have been scouring
you mustn't have been scouring
he mustn't have been scouring
we mustn't have been scouring
you mustn't have been scouring
they mustn't have been scouring	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I scour?
must you scour?
must he scour?
must we scour?
must you scour?
must they scour? 	must I be scouring?
must you be scouring?
must he be scouring?
must we be scouring?
must you be scouring?
must they be scouring? 	must I have scoured?
must you have scoured?
must he have scoured?
must we have scoured?
must you have scoured?
must they have scoured? 	must I have been scouring?
must you have been scouring?
must he have been scouring?
must we have been scouring?
must you have been scouring?
must they have been scouring? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I scour?
mustn't you scour?
mustn't he scour?
mustn't we scour?
mustn't you scour?
mustn't they scour? 	mustn't I be scouring?
mustn't you be scouring?
mustn't he be scouring?
mustn't we be scouring?
mustn't you be scouring?
mustn't they be scouring? 	mustn't I have scoured?
mustn't you have scoured?
mustn't he have scoured?
mustn't we have scoured?
mustn't you have scoured?
mustn't they have scoured? 	mustn't I have been scouring?
mustn't you have been scouring?
mustn't he have been scouring?
mustn't we have been scouring?
mustn't you have been scouring?
mustn't they have been scouring?