must scale
Verbe régulier : scale - scaled- scaled
Traduction française : escalader - s'écailler 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must scale
you must scale
she must scale
we must scale
you must scale
they must scale 	I must be scaling
you must be scaling
she must be scaling
we must be scaling
you must be scaling
they must be scaling	I must have scaled
you must have scaled
she must have scaled
we must have scaled
you must have scaled
they must have scaled	I must have been scaling
you must have been scaling
she must have been scaling
we must have been scaling
you must have been scaling
they must have been scaling	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't scale
you mustn't scale
she mustn't scale
we mustn't scale
you mustn't scale
they mustn't scale 	I mustn't be scaling
you mustn't be scaling
she mustn't be scaling
we mustn't be scaling
you mustn't be scaling
they mustn't be scaling	I mustn't have scaled
you mustn't have scaled
she mustn't have scaled
we mustn't have scaled
you mustn't have scaled
they mustn't have scaled	I mustn't have been scaling
you mustn't have been scaling
she mustn't have been scaling
we mustn't have been scaling
you mustn't have been scaling
they mustn't have been scaling	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I scale?
must you scale?
must she scale?
must we scale?
must you scale?
must they scale? 	must I be scaling?
must you be scaling?
must she be scaling?
must we be scaling?
must you be scaling?
must they be scaling? 	must I have scaled?
must you have scaled?
must she have scaled?
must we have scaled?
must you have scaled?
must they have scaled? 	must I have been scaling?
must you have been scaling?
must she have been scaling?
must we have been scaling?
must you have been scaling?
must they have been scaling? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I scale?
mustn't you scale?
mustn't she scale?
mustn't we scale?
mustn't you scale?
mustn't they scale? 	mustn't I be scaling?
mustn't you be scaling?
mustn't she be scaling?
mustn't we be scaling?
mustn't you be scaling?
mustn't they be scaling? 	mustn't I have scaled?
mustn't you have scaled?
mustn't she have scaled?
mustn't we have scaled?
mustn't you have scaled?
mustn't they have scaled? 	mustn't I have been scaling?
mustn't you have been scaling?
mustn't she have been scaling?
mustn't we have been scaling?
mustn't you have been scaling?
mustn't they have been scaling?