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 couldn't buffet you couldn't buffet he couldn't buffet we couldn't buffet you couldn't buffet they couldn't buffet
V-ing form
I couldn't be buffeting you couldn't be buffeting he couldn't be buffeting we couldn't be buffeting you couldn't be buffeting they couldn't be buffeting
Perfect
I couldn't have buffeted you couldn't have buffeted he couldn't have buffeted we couldn't have buffeted you couldn't have buffeted they couldn't have buffeted
V-ing perfect
I couldn't have been buffeting you couldn't have been buffeting he couldn't have been buffeting we couldn't have been buffeting you couldn't have been buffeting they couldn't 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
couldn't I buffet? couldn't you buffet? couldn't he buffet? couldn't we buffet? couldn't you buffet? couldn't they buffet?
V-ing form
couldn't I be buffeting? couldn't you be buffeting? couldn't he be buffeting? couldn't we be buffeting? couldn't you be buffeting? couldn't they be buffeting?
Perfect
couldn't I have buffeted? couldn't you have buffeted? couldn't he have buffeted? couldn't we have buffeted? couldn't you have buffeted? couldn't they have buffeted?
V-ing perfect
couldn't I have been buffeting? couldn't you have been buffeting? couldn't he have been buffeting? couldn't we have been buffeting? couldn't you have been buffeting? couldn't they have been buffeting?