I could jabber you could jabber he could jabber we could jabber you could jabber they could jabber
Forma con 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
Perfecto
I could have jabbered you could have jabbered he could have jabbered we could have jabbered you could have jabbered they could have jabbered
Perfecto con 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
Negación
Forma 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
Forma con 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
Perfecto
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
Perfecto con 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
Forma interrogativa
Forma simple
could I jabber? could you jabber? could he jabber? could we jabber? could you jabber? could they jabber?
Forma con 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?
Perfecto
could I have jabbered? could you have jabbered? could he have jabbered? could we have jabbered? could you have jabbered? could they have jabbered?
Perfecto con 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?
Forma interro-negativa
Forma 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?
Forma con 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?
Perfecto
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?
Perfecto con 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?