I could buffet you could buffet he could buffet we could buffet you could buffet they could buffet
V-ing form
I could be buffeting you could be buffeting he could be buffeting we could be buffeting you could be buffeting they could be buffeting
Perfect
I could have buffeted you could have buffeted he could have buffeted we could have buffeted you could have buffeted they could have buffeted
V-ing perfect
I could have been buffeting you could have been buffeting he could have been buffeting we could have been buffeting you could have been buffeting they could have been buffeting
Negation
Simple form
I could not buffet you could not buffet he could not buffet we could not buffet you could not buffet they could not buffet
V-ing form
I could not be buffeting you could not be buffeting he could not be buffeting we could not be buffeting you could not be buffeting they could not be buffeting
Perfect
I could not have buffeted you could not have buffeted he could not have buffeted we could not have buffeted you could not have buffeted they could not have buffeted
V-ing perfect
I could not have been buffeting you could not have been buffeting he could not have been buffeting we could not have been buffeting you could not have been buffeting they could not have been buffeting
Interrogative form
Simple form
could I buffet? could you buffet? could he buffet? could we buffet? could you buffet? could they buffet?
V-ing form
could I be buffeting? could you be buffeting? could he be buffeting? could we be buffeting? could you be buffeting? could they be buffeting?
Perfect
could I have buffeted? could you have buffeted? could he have buffeted? could we have buffeted? could you have buffeted? could they have buffeted?
V-ing perfect
could I have been buffeting? could you have been buffeting? could he have been buffeting? could we have been buffeting? could you have been buffeting? could they have been buffeting?
Interro-negative form
Simple form
could I not buffet? could you not buffet? could he not buffet? could we not buffet? could you not buffet? could they not buffet?
V-ing form
could I not be buffeting? could you not be buffeting? could he not be buffeting? could we not be buffeting? could you not be buffeting? could they not be buffeting?
Perfect
could I not have buffeted? could you not have buffeted? could he not have buffeted? could we not have buffeted? could you not have buffeted? could they not have buffeted?
V-ing perfect
could I not have been buffeting? could you not have been buffeting? could he not have been buffeting? could we not have been buffeting? could you not have been buffeting? could they not have been buffeting?