could sledge
Verbo regular: sledge - sledged- sledged

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could sledge
you could sledge
she could sledge
we could sledge
you could sledge
they could sledge 	I could be sledging
you could be sledging
she could be sledging
we could be sledging
you could be sledging
they could be sledging	I could have sledged
you could have sledged
she could have sledged
we could have sledged
you could have sledged
they could have sledged	I could have been sledging
you could have been sledging
she could have been sledging
we could have been sledging
you could have been sledging
they could have been sledging	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't sledge
you couldn't sledge
she couldn't sledge
we couldn't sledge
you couldn't sledge
they couldn't sledge 	I couldn't be sledging
you couldn't be sledging
she couldn't be sledging
we couldn't be sledging
you couldn't be sledging
they couldn't be sledging	I couldn't have sledged
you couldn't have sledged
she couldn't have sledged
we couldn't have sledged
you couldn't have sledged
they couldn't have sledged	I couldn't have been sledging
you couldn't have been sledging
she couldn't have been sledging
we couldn't have been sledging
you couldn't have been sledging
they couldn't have been sledging	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I sledge?
could you sledge?
could she sledge?
could we sledge?
could you sledge?
could they sledge? 	could I be sledging?
could you be sledging?
could she be sledging?
could we be sledging?
could you be sledging?
could they be sledging? 	could I have sledged?
could you have sledged?
could she have sledged?
could we have sledged?
could you have sledged?
could they have sledged? 	could I have been sledging?
could you have been sledging?
could she have been sledging?
could we have been sledging?
could you have been sledging?
could they have been sledging? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I sledge?
couldn't you sledge?
couldn't she sledge?
couldn't we sledge?
couldn't you sledge?
couldn't they sledge? 	couldn't I be sledging?
couldn't you be sledging?
couldn't she be sledging?
couldn't we be sledging?
couldn't you be sledging?
couldn't they be sledging? 	couldn't I have sledged?
couldn't you have sledged?
couldn't she have sledged?
couldn't we have sledged?
couldn't you have sledged?
couldn't they have sledged? 	couldn't I have been sledging?
couldn't you have been sledging?
couldn't she have been sledging?
couldn't we have been sledging?
couldn't you have been sledging?
couldn't they have been sledging?