I could hole you could hole she could hole we could hole you could hole they could hole
V-ing form
I could be holing you could be holing she could be holing we could be holing you could be holing they could be holing
Perfect
I could have holed you could have holed she 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 she could have been holing we could have been holing you could have been holing they could have been holing
Negation
Simple form
I couldn't hole you couldn't hole she couldn't hole we couldn't hole you couldn't hole they couldn't hole
V-ing form
I couldn't be holing you couldn't be holing she couldn't be holing we couldn't be holing you couldn't be holing they couldn't be holing
Perfect
I couldn't have holed you couldn't have holed she couldn't have holed we couldn't have holed you couldn't have holed they couldn't have holed
V-ing perfect
I couldn't have been holing you couldn't have been holing she couldn't have been holing we couldn't have been holing you couldn't have been holing they couldn't have been holing
Interrogative form
Simple form
could I hole? could you hole? could she hole? could we hole? could you hole? could they hole?
V-ing form
could I be holing? could you be holing? could she be holing? could we be holing? could you be holing? could they be holing?
Perfect
could I have holed? could you have holed? could she 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 she have been holing? could we have been holing? could you have been holing? could they have been holing?
Interro-negative form
Simple form
couldn't I hole? couldn't you hole? couldn't she hole? couldn't we hole? couldn't you hole? couldn't they hole?
V-ing form
couldn't I be holing? couldn't you be holing? couldn't she be holing? couldn't we be holing? couldn't you be holing? couldn't they be holing?
Perfect
couldn't I have holed? couldn't you have holed? couldn't she have holed? couldn't we have holed? couldn't you have holed? couldn't they have holed?
V-ing perfect
couldn't I have been holing? couldn't you have been holing? couldn't she have been holing? couldn't we have been holing? couldn't you have been holing? couldn't they have been holing?