I could grouse you could grouse he could grouse we could grouse you could grouse they could grouse
Forme en V-ing
I could be grousing you could be grousing he could be grousing we could be grousing you could be grousing they could be grousing
Perfect
I could have groused you could have groused he could have groused we could have groused you could have groused they could have groused
Perfect en V-ing
I could have been grousing you could have been grousing he could have been grousing we could have been grousing you could have been grousing they could have been grousing
Négation
Forme simple
I could not grouse you could not grouse he could not grouse we could not grouse you could not grouse they could not grouse
Forme en V-ing
I could not be grousing you could not be grousing he could not be grousing we could not be grousing you could not be grousing they could not be grousing
Perfect
I could not have groused you could not have groused he could not have groused we could not have groused you could not have groused they could not have groused
Perfect en V-ing
I could not have been grousing you could not have been grousing he could not have been grousing we could not have been grousing you could not have been grousing they could not have been grousing
Forme interrogative
Forme simple
could I grouse? could you grouse? could he grouse? could we grouse? could you grouse? could they grouse?
Forme en V-ing
could I be grousing? could you be grousing? could he be grousing? could we be grousing? could you be grousing? could they be grousing?
Perfect
could I have groused? could you have groused? could he have groused? could we have groused? could you have groused? could they have groused?
Perfect en V-ing
could I have been grousing? could you have been grousing? could he have been grousing? could we have been grousing? could you have been grousing? could they have been grousing?
Forme interro-négative
Forme simple
could I not grouse? could you not grouse? could he not grouse? could we not grouse? could you not grouse? could they not grouse?
Forme en V-ing
could I not be grousing? could you not be grousing? could he not be grousing? could we not be grousing? could you not be grousing? could they not be grousing?
Perfect
could I not have groused? could you not have groused? could he not have groused? could we not have groused? could you not have groused? could they not have groused?
Perfect en V-ing
could I not have been grousing? could you not have been grousing? could he not have been grousing? could we not have been grousing? could you not have been grousing? could they not have been grousing?