I could surround you could surround she could surround we could surround you could surround they could surround
Forme en V-ing
I could be surrounding you could be surrounding she could be surrounding we could be surrounding you could be surrounding they could be surrounding
Perfect
I could have surrounded you could have surrounded she could have surrounded we could have surrounded you could have surrounded they could have surrounded
Perfect en V-ing
I could have been surrounding you could have been surrounding she could have been surrounding we could have been surrounding you could have been surrounding they could have been surrounding
Négation
Forme simple
I could not surround you could not surround she could not surround we could not surround you could not surround they could not surround
Forme en V-ing
I could not be surrounding you could not be surrounding she could not be surrounding we could not be surrounding you could not be surrounding they could not be surrounding
Perfect
I could not have surrounded you could not have surrounded she could not have surrounded we could not have surrounded you could not have surrounded they could not have surrounded
Perfect en V-ing
I could not have been surrounding you could not have been surrounding she could not have been surrounding we could not have been surrounding you could not have been surrounding they could not have been surrounding
Forme interrogative
Forme simple
could I surround? could you surround? could she surround? could we surround? could you surround? could they surround?
Forme en V-ing
could I be surrounding? could you be surrounding? could she be surrounding? could we be surrounding? could you be surrounding? could they be surrounding?
Perfect
could I have surrounded? could you have surrounded? could she have surrounded? could we have surrounded? could you have surrounded? could they have surrounded?
Perfect en V-ing
could I have been surrounding? could you have been surrounding? could she have been surrounding? could we have been surrounding? could you have been surrounding? could they have been surrounding?
Forme interro-négative
Forme simple
could I not surround? could you not surround? could she not surround? could we not surround? could you not surround? could they not surround?
Forme en V-ing
could I not be surrounding? could you not be surrounding? could she not be surrounding? could we not be surrounding? could you not be surrounding? could they not be surrounding?
Perfect
could I not have surrounded? could you not have surrounded? could she not have surrounded? could we not have surrounded? could you not have surrounded? could they not have surrounded?
Perfect en V-ing
could I not have been surrounding? could you not have been surrounding? could she not have been surrounding? could we not have been surrounding? could you not have been surrounding? could they not have been surrounding?