I could hound you could hound he could hound we could hound you could hound they could hound
V-ing form
I could be hounding you could be hounding he could be hounding we could be hounding you could be hounding they could be hounding
Perfect
I could have hounded you could have hounded he could have hounded we could have hounded you could have hounded they could have hounded
V-ing perfect
I could have been hounding you could have been hounding he could have been hounding we could have been hounding you could have been hounding they could have been hounding
Negation
Simple form
I couldn't hound you couldn't hound he couldn't hound we couldn't hound you couldn't hound they couldn't hound
V-ing form
I couldn't be hounding you couldn't be hounding he couldn't be hounding we couldn't be hounding you couldn't be hounding they couldn't be hounding
Perfect
I couldn't have hounded you couldn't have hounded he couldn't have hounded we couldn't have hounded you couldn't have hounded they couldn't have hounded
V-ing perfect
I couldn't have been hounding you couldn't have been hounding he couldn't have been hounding we couldn't have been hounding you couldn't have been hounding they couldn't have been hounding
Interrogative form
Simple form
could I hound? could you hound? could he hound? could we hound? could you hound? could they hound?
V-ing form
could I be hounding? could you be hounding? could he be hounding? could we be hounding? could you be hounding? could they be hounding?
Perfect
could I have hounded? could you have hounded? could he have hounded? could we have hounded? could you have hounded? could they have hounded?
V-ing perfect
could I have been hounding? could you have been hounding? could he have been hounding? could we have been hounding? could you have been hounding? could they have been hounding?
Interro-negative form
Simple form
couldn't I hound? couldn't you hound? couldn't he hound? couldn't we hound? couldn't you hound? couldn't they hound?
V-ing form
couldn't I be hounding? couldn't you be hounding? couldn't he be hounding? couldn't we be hounding? couldn't you be hounding? couldn't they be hounding?
Perfect
couldn't I have hounded? couldn't you have hounded? couldn't he have hounded? couldn't we have hounded? couldn't you have hounded? couldn't they have hounded?
V-ing perfect
couldn't I have been hounding? couldn't you have been hounding? couldn't he have been hounding? couldn't we have been hounding? couldn't you have been hounding? couldn't they have been hounding?