I could correspond you could correspond she could correspond we could correspond you could correspond they could correspond
Forme en V-ing
I could be corresponding you could be corresponding she could be corresponding we could be corresponding you could be corresponding they could be corresponding
Perfect
I could have corresponded you could have corresponded she could have corresponded we could have corresponded you could have corresponded they could have corresponded
Perfect en V-ing
I could have been corresponding you could have been corresponding she could have been corresponding we could have been corresponding you could have been corresponding they could have been corresponding
Négation
Forme simple
I could not correspond you could not correspond she could not correspond we could not correspond you could not correspond they could not correspond
Forme en V-ing
I could not be corresponding you could not be corresponding she could not be corresponding we could not be corresponding you could not be corresponding they could not be corresponding
Perfect
I could not have corresponded you could not have corresponded she could not have corresponded we could not have corresponded you could not have corresponded they could not have corresponded
Perfect en V-ing
I could not have been corresponding you could not have been corresponding she could not have been corresponding we could not have been corresponding you could not have been corresponding they could not have been corresponding
Forme interrogative
Forme simple
could I correspond? could you correspond? could she correspond? could we correspond? could you correspond? could they correspond?
Forme en V-ing
could I be corresponding? could you be corresponding? could she be corresponding? could we be corresponding? could you be corresponding? could they be corresponding?
Perfect
could I have corresponded? could you have corresponded? could she have corresponded? could we have corresponded? could you have corresponded? could they have corresponded?
Perfect en V-ing
could I have been corresponding? could you have been corresponding? could she have been corresponding? could we have been corresponding? could you have been corresponding? could they have been corresponding?
Forme interro-négative
Forme simple
could I not correspond? could you not correspond? could she not correspond? could we not correspond? could you not correspond? could they not correspond?
Forme en V-ing
could I not be corresponding? could you not be corresponding? could she not be corresponding? could we not be corresponding? could you not be corresponding? could they not be corresponding?
Perfect
could I not have corresponded? could you not have corresponded? could she not have corresponded? could we not have corresponded? could you not have corresponded? could they not have corresponded?
Perfect en V-ing
could I not have been corresponding? could you not have been corresponding? could she not have been corresponding? could we not have been corresponding? could you not have been corresponding? could they not have been corresponding?