I could hound you could hound she could hound we could hound you could hound they could hound
V-ing form
I could be hounding you could be hounding she could be hounding we could be hounding you could be hounding they could be hounding
Perfect
I could have hounded you could have hounded she 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 she 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 she 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 she 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 she 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 she 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 she hound? could we hound? could you hound? could they hound?
V-ing form
could I be hounding? could you be hounding? could she be hounding? could we be hounding? could you be hounding? could they be hounding?
Perfect
could I have hounded? could you have hounded? could she 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 she 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 she 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 she 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 she 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 she have been hounding? couldn't we have been hounding? couldn't you have been hounding? couldn't they have been hounding?