I could web you could web she could web we could web you could web they could web
Forma con V-ing
I could be webing you could be webing she could be webing we could be webing you could be webing they could be webing
Perfecto
I could have webed you could have webed she could have webed we could have webed you could have webed they could have webed
Perfecto con V-ing
I could have been webing you could have been webing she could have been webing we could have been webing you could have been webing they could have been webing
Negación
Forma simple
I couldn't web you couldn't web she couldn't web we couldn't web you couldn't web they couldn't web
Forma con V-ing
I couldn't be webing you couldn't be webing she couldn't be webing we couldn't be webing you couldn't be webing they couldn't be webing
Perfecto
I couldn't have webed you couldn't have webed she couldn't have webed we couldn't have webed you couldn't have webed they couldn't have webed
Perfecto con V-ing
I couldn't have been webing you couldn't have been webing she couldn't have been webing we couldn't have been webing you couldn't have been webing they couldn't have been webing
Forma interrogativa
Forma simple
could I web? could you web? could she web? could we web? could you web? could they web?
Forma con V-ing
could I be webing? could you be webing? could she be webing? could we be webing? could you be webing? could they be webing?
Perfecto
could I have webed? could you have webed? could she have webed? could we have webed? could you have webed? could they have webed?
Perfecto con V-ing
could I have been webing? could you have been webing? could she have been webing? could we have been webing? could you have been webing? could they have been webing?
Forma interro-negativa
Forma simple
couldn't I web? couldn't you web? couldn't she web? couldn't we web? couldn't you web? couldn't they web?
Forma con V-ing
couldn't I be webing? couldn't you be webing? couldn't she be webing? couldn't we be webing? couldn't you be webing? couldn't they be webing?
Perfecto
couldn't I have webed? couldn't you have webed? couldn't she have webed? couldn't we have webed? couldn't you have webed? couldn't they have webed?
Perfecto con V-ing
couldn't I have been webing? couldn't you have been webing? couldn't she have been webing? couldn't we have been webing? couldn't you have been webing? couldn't they have been webing?