I can counterbid you can counterbid he can counterbid we can counterbid you can counterbid they can counterbid
V-ing form
I can be counterbiding you can be counterbiding he can be counterbiding we can be counterbiding you can be counterbiding they can be counterbiding
Perfect
I can have counterbid you can have counterbid he can have counterbid we can have counterbid you can have counterbid they can have counterbid
V-ing perfect
I can have been counterbiding you can have been counterbiding he can have been counterbiding we can have been counterbiding you can have been counterbiding they can have been counterbiding
Negation
Simple form
I can't counterbid you can't counterbid he can't counterbid we can't counterbid you can't counterbid they can't counterbid
V-ing form
I can't be counterbiding you can't be counterbiding he can't be counterbiding we can't be counterbiding you can't be counterbiding they can't be counterbiding
Perfect
I can't have counterbid you can't have counterbid he can't have counterbid we can't have counterbid you can't have counterbid they can't have counterbid
V-ing perfect
I can't have been counterbiding you can't have been counterbiding he can't have been counterbiding we can't have been counterbiding you can't have been counterbiding they can't have been counterbiding
Interrogative form
Simple form
can I counterbid? can you counterbid? can he counterbid? can we counterbid? can you counterbid? can they counterbid?
V-ing form
can I be counterbiding? can you be counterbiding? can he be counterbiding? can we be counterbiding? can you be counterbiding? can they be counterbiding?
Perfect
can I have counterbid? can you have counterbid? can he have counterbid? can we have counterbid? can you have counterbid? can they have counterbid?
V-ing perfect
can I have been counterbiding? can you have been counterbiding? can he have been counterbiding? can we have been counterbiding? can you have been counterbiding? can they have been counterbiding?
Interro-negative form
Simple form
can't I counterbid? can't you counterbid? can't he counterbid? can't we counterbid? can't you counterbid? can't they counterbid?
V-ing form
can't I be counterbiding? can't you be counterbiding? can't he be counterbiding? can't we be counterbiding? can't you be counterbiding? can't they be counterbiding?
Perfect
can't I have counterbid? can't you have counterbid? can't he have counterbid? can't we have counterbid? can't you have counterbid? can't they have counterbid?
V-ing perfect
can't I have been counterbiding? can't you have been counterbiding? can't he have been counterbiding? can't we have been counterbiding? can't you have been counterbiding? can't they have been counterbiding?