English verb conjugation
COULD PREBID

Irregular verb: prebid - prebid - prebid

Affirmation

Simple form	V-ing form
I could prebid you could prebid he could prebid we could prebid you could prebid they could prebid	I could be prebiding you could be prebiding he could be prebiding we could be prebiding you could be prebiding they could be prebiding
Perfect	V-ing perfect
I could have prebid you could have prebid he could have prebid we could have prebid you could have prebid they could have prebid	I could have been prebiding you could have been prebiding he could have been prebiding we could have been prebiding you could have been prebiding they could have been prebiding

Negation

Simple form	V-ing form
I could not prebid you could not prebid he could not prebid we could not prebid you could not prebid they could not prebid	I could not be prebiding you could not be prebiding he could not be prebiding we could not be prebiding you could not be prebiding they could not be prebiding
Perfect	V-ing perfect
I could not have prebid you could not have prebid he could not have prebid we could not have prebid you could not have prebid they could not have prebid	I could not have been prebiding you could not have been prebiding he could not have been prebiding we could not have been prebiding you could not have been prebiding they could not have been prebiding

Interrogative form

Simple form	V-ing form
could I prebid? could you prebid? could he prebid? could we prebid? could you prebid? could they prebid?	could I be prebiding? could you be prebiding? could he be prebiding? could we be prebiding? could you be prebiding? could they be prebiding?
Perfect	V-ing perfect
could I have prebid? could you have prebid? could he have prebid? could we have prebid? could you have prebid? could they have prebid?	could I have been prebiding? could you have been prebiding? could he have been prebiding? could we have been prebiding? could you have been prebiding? could they have been prebiding?

Interro-negative form

Simple form	V-ing form
could I not prebid? could you not prebid? could he not prebid? could we not prebid? could you not prebid? could they not prebid?	could I not be prebiding? could you not be prebiding? could he not be prebiding? could we not be prebiding? could you not be prebiding? could they not be prebiding?
Perfect	V-ing perfect
could I not have prebid? could you not have prebid? could he not have prebid? could we not have prebid? could you not have prebid? could they not have prebid?	could I not have been prebiding? could you not have been prebiding? could he not have been prebiding? could we not have been prebiding? could you not have been prebiding? could they not have been prebiding?