must layer
Verbe régulier : layer - layered- layered
Traduction française : couper en dégradé - marcotter 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must layer
you must layer
he must layer
we must layer
you must layer
they must layer 	I must be layering
you must be layering
he must be layering
we must be layering
you must be layering
they must be layering	I must have layered
you must have layered
he must have layered
we must have layered
you must have layered
they must have layered	I must have been layering
you must have been layering
he must have been layering
we must have been layering
you must have been layering
they must have been layering	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't layer
you mustn't layer
he mustn't layer
we mustn't layer
you mustn't layer
they mustn't layer 	I mustn't be layering
you mustn't be layering
he mustn't be layering
we mustn't be layering
you mustn't be layering
they mustn't be layering	I mustn't have layered
you mustn't have layered
he mustn't have layered
we mustn't have layered
you mustn't have layered
they mustn't have layered	I mustn't have been layering
you mustn't have been layering
he mustn't have been layering
we mustn't have been layering
you mustn't have been layering
they mustn't have been layering	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I layer?
must you layer?
must he layer?
must we layer?
must you layer?
must they layer? 	must I be layering?
must you be layering?
must he be layering?
must we be layering?
must you be layering?
must they be layering? 	must I have layered?
must you have layered?
must he have layered?
must we have layered?
must you have layered?
must they have layered? 	must I have been layering?
must you have been layering?
must he have been layering?
must we have been layering?
must you have been layering?
must they have been layering? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I layer?
mustn't you layer?
mustn't he layer?
mustn't we layer?
mustn't you layer?
mustn't they layer? 	mustn't I be layering?
mustn't you be layering?
mustn't he be layering?
mustn't we be layering?
mustn't you be layering?
mustn't they be layering? 	mustn't I have layered?
mustn't you have layered?
mustn't he have layered?
mustn't we have layered?
mustn't you have layered?
mustn't they have layered? 	mustn't I have been layering?
mustn't you have been layering?
mustn't he have been layering?
mustn't we have been layering?
mustn't you have been layering?
mustn't they have been layering?