I could web you could web she could web we could web you could web they could web
Forme en 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
Perfect
I could have webed you could have webed she could have webed we could have webed you could have webed they could have webed
Perfect en 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
Négation
Forme 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
Forme en 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
Perfect
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
Perfect en 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
Forme interrogative
Forme simple
could I web? could you web? could she web? could we web? could you web? could they web?
Forme en 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?
Perfect
could I have webed? could you have webed? could she have webed? could we have webed? could you have webed? could they have webed?
Perfect en 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?
Forme interro-négative
Forme 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?
Forme en 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?
Perfect
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?
Perfect en 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?