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