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

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

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

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

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