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