I can counterbid you can counterbid she can counterbid we can counterbid you can counterbid they can counterbid
V-ing form
I can be counterbiding you can be counterbiding she can be counterbiding we can be counterbiding you can be counterbiding they can be counterbiding
Perfect
I can have counterbid you can have counterbid she 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 she 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 she 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 she 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 she 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 she 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 she counterbid? can we counterbid? can you counterbid? can they counterbid?
V-ing form
can I be counterbiding? can you be counterbiding? can she be counterbiding? can we be counterbiding? can you be counterbiding? can they be counterbiding?
Perfect
can I have counterbid? can you have counterbid? can she 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 she 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 she 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 she 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 she 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 she have been counterbiding? can't we have been counterbiding? can't you have been counterbiding? can't they have been counterbiding?