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