I could hole you could hole he could hole we could hole you could hole they could hole
V-ing form
I could be holing you could be holing he could be holing we could be holing you could be holing they could be holing
Perfect
I could have holed you could have holed he could have holed we could have holed you could have holed they could have holed
V-ing perfect
I could have been holing you could have been holing he could have been holing we could have been holing you could have been holing they could have been holing
Negation
Simple form
I could not hole you could not hole he could not hole we could not hole you could not hole they could not hole
V-ing form
I could not be holing you could not be holing he could not be holing we could not be holing you could not be holing they could not be holing
Perfect
I could not have holed you could not have holed he could not have holed we could not have holed you could not have holed they could not have holed
V-ing perfect
I could not have been holing you could not have been holing he could not have been holing we could not have been holing you could not have been holing they could not have been holing
Interrogative form
Simple form
could I hole? could you hole? could he hole? could we hole? could you hole? could they hole?
V-ing form
could I be holing? could you be holing? could he be holing? could we be holing? could you be holing? could they be holing?
Perfect
could I have holed? could you have holed? could he have holed? could we have holed? could you have holed? could they have holed?
V-ing perfect
could I have been holing? could you have been holing? could he have been holing? could we have been holing? could you have been holing? could they have been holing?
Interro-negative form
Simple form
could I not hole? could you not hole? could he not hole? could we not hole? could you not hole? could they not hole?
V-ing form
could I not be holing? could you not be holing? could he not be holing? could we not be holing? could you not be holing? could they not be holing?
Perfect
could I not have holed? could you not have holed? could he not have holed? could we not have holed? could you not have holed? could they not have holed?
V-ing perfect
could I not have been holing? could you not have been holing? could he not have been holing? could we not have been holing? could you not have been holing? could they not have been holing?