could prebid
Irregular verb: prebid - prebid- prebid

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