I could correspond you could correspond he could correspond we could correspond you could correspond they could correspond
Forme en V-ing
I could be corresponding you could be corresponding he could be corresponding we could be corresponding you could be corresponding they could be corresponding
Perfect
I could have corresponded you could have corresponded he 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 he could have been corresponding we could have been corresponding you could have been corresponding they could have been corresponding
Négation
Forme simple
I couldn't correspond you couldn't correspond he couldn't correspond we couldn't correspond you couldn't correspond they couldn't correspond
Forme en V-ing
I couldn't be corresponding you couldn't be corresponding he couldn't be corresponding we couldn't be corresponding you couldn't be corresponding they couldn't be corresponding
Perfect
I couldn't have corresponded you couldn't have corresponded he couldn't have corresponded we couldn't have corresponded you couldn't have corresponded they couldn't have corresponded
Perfect en V-ing
I couldn't have been corresponding you couldn't have been corresponding he couldn't have been corresponding we couldn't have been corresponding you couldn't have been corresponding they couldn't have been corresponding
Forme interrogative
Forme simple
could I correspond? could you correspond? could he correspond? could we correspond? could you correspond? could they correspond?
Forme en V-ing
could I be corresponding? could you be corresponding? could he be corresponding? could we be corresponding? could you be corresponding? could they be corresponding?
Perfect
could I have corresponded? could you have corresponded? could he 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 he have been corresponding? could we have been corresponding? could you have been corresponding? could they have been corresponding?
Forme interro-négative
Forme simple
couldn't I correspond? couldn't you correspond? couldn't he correspond? couldn't we correspond? couldn't you correspond? couldn't they correspond?
Forme en V-ing
couldn't I be corresponding? couldn't you be corresponding? couldn't he be corresponding? couldn't we be corresponding? couldn't you be corresponding? couldn't they be corresponding?
Perfect
couldn't I have corresponded? couldn't you have corresponded? couldn't he have corresponded? couldn't we have corresponded? couldn't you have corresponded? couldn't they have corresponded?
Perfect en V-ing
couldn't I have been corresponding? couldn't you have been corresponding? couldn't he have been corresponding? couldn't we have been corresponding? couldn't you have been corresponding? couldn't they have been corresponding?