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