English verb conjugation
COULD OVERBID

Irregular verb: overbid - overbid - overbid

Affirmation

Simple form	V-ing form
I could overbid you could overbid she could overbid we could overbid you could overbid they could overbid	I could be overbidding you could be overbidding she could be overbidding we could be overbidding you could be overbidding they could be overbidding
Perfect	V-ing perfect
I could have overbid you could have overbid she could have overbid we could have overbid you could have overbid they could have overbid	I could have been overbidding you could have been overbidding she could have been overbidding we could have been overbidding you could have been overbidding they could have been overbidding

Negation

Simple form	V-ing form
I couldn't overbid you couldn't overbid she couldn't overbid we couldn't overbid you couldn't overbid they couldn't overbid	I couldn't be overbidding you couldn't be overbidding she couldn't be overbidding we couldn't be overbidding you couldn't be overbidding they couldn't be overbidding
Perfect	V-ing perfect
I couldn't have overbid you couldn't have overbid she couldn't have overbid we couldn't have overbid you couldn't have overbid they couldn't have overbid	I couldn't have been overbidding you couldn't have been overbidding she couldn't have been overbidding we couldn't have been overbidding you couldn't have been overbidding they couldn't have been overbidding

Interrogative form

Simple form	V-ing form
could I overbid? could you overbid? could she overbid? could we overbid? could you overbid? could they overbid?	could I be overbidding? could you be overbidding? could she be overbidding? could we be overbidding? could you be overbidding? could they be overbidding?
Perfect	V-ing perfect
could I have overbid? could you have overbid? could she have overbid? could we have overbid? could you have overbid? could they have overbid?	could I have been overbidding? could you have been overbidding? could she have been overbidding? could we have been overbidding? could you have been overbidding? could they have been overbidding?

Interro-negative form

Simple form	V-ing form
couldn't I overbid? couldn't you overbid? couldn't she overbid? couldn't we overbid? couldn't you overbid? couldn't they overbid?	couldn't I be overbidding? couldn't you be overbidding? couldn't she be overbidding? couldn't we be overbidding? couldn't you be overbidding? couldn't they be overbidding?
Perfect	V-ing perfect
couldn't I have overbid? couldn't you have overbid? couldn't she have overbid? couldn't we have overbid? couldn't you have overbid? couldn't they have overbid?	couldn't I have been overbidding? couldn't you have been overbidding? couldn't she have been overbidding? couldn't we have been overbidding? couldn't you have been overbidding? couldn't they have been overbidding?