I could gibber you could gibber he could gibber we could gibber you could gibber they could gibber
Forma con V-ing
I could be gibbering you could be gibbering he could be gibbering we could be gibbering you could be gibbering they could be gibbering
Perfetto
I could have gibbered you could have gibbered he could have gibbered we could have gibbered you could have gibbered they could have gibbered
Perfetto con V-ing
I could have been gibbering you could have been gibbering he could have been gibbering we could have been gibbering you could have been gibbering they could have been gibbering
Negazione
Forma semplice
I could not gibber you could not gibber he could not gibber we could not gibber you could not gibber they could not gibber
Forma con V-ing
I could not be gibbering you could not be gibbering he could not be gibbering we could not be gibbering you could not be gibbering they could not be gibbering
Perfetto
I could not have gibbered you could not have gibbered he could not have gibbered we could not have gibbered you could not have gibbered they could not have gibbered
Perfetto con V-ing
I could not have been gibbering you could not have been gibbering he could not have been gibbering we could not have been gibbering you could not have been gibbering they could not have been gibbering
Forma interrogativa
Forma semplice
could I gibber? could you gibber? could he gibber? could we gibber? could you gibber? could they gibber?
Forma con V-ing
could I be gibbering? could you be gibbering? could he be gibbering? could we be gibbering? could you be gibbering? could they be gibbering?
Perfetto
could I have gibbered? could you have gibbered? could he have gibbered? could we have gibbered? could you have gibbered? could they have gibbered?
Perfetto con V-ing
could I have been gibbering? could you have been gibbering? could he have been gibbering? could we have been gibbering? could you have been gibbering? could they have been gibbering?
Forma interro-negativa
Forma semplice
could I not gibber? could you not gibber? could he not gibber? could we not gibber? could you not gibber? could they not gibber?
Forma con V-ing
could I not be gibbering? could you not be gibbering? could he not be gibbering? could we not be gibbering? could you not be gibbering? could they not be gibbering?
Perfetto
could I not have gibbered? could you not have gibbered? could he not have gibbered? could we not have gibbered? could you not have gibbered? could they not have gibbered?
Perfetto con V-ing
could I not have been gibbering? could you not have been gibbering? could he not have been gibbering? could we not have been gibbering? could you not have been gibbering? could they not have been gibbering?