should counterbid
Irregular verb: counterbid - counterbid- counterbid

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd counterbid
you'd counterbid
he'd counterbid
we'd counterbid
you'd counterbid
they'd counterbid 	I'd be counterbiding
you'd be counterbiding
he'd be counterbiding
we'd be counterbiding
you'd be counterbiding
they'd be counterbiding	I should've counterbid
you should've counterbid
he should've counterbid
we should've counterbid
you should've counterbid
they should've counterbid	I should've been counterbiding
you should've been counterbiding
he should've been counterbiding
we should've been counterbiding
you should've been counterbiding
they should've been counterbiding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't counterbid
you shouldn't counterbid
he shouldn't counterbid
we shouldn't counterbid
you shouldn't counterbid
they shouldn't counterbid 	I shouldn't be counterbiding
you shouldn't be counterbiding
he shouldn't be counterbiding
we shouldn't be counterbiding
you shouldn't be counterbiding
they shouldn't be counterbiding	I shouldn't have counterbid
you shouldn't have counterbid
he shouldn't have counterbid
we shouldn't have counterbid
you shouldn't have counterbid
they shouldn't have counterbid	I shouldn't have been counterbiding
you shouldn't have been counterbiding
he shouldn't have been counterbiding
we shouldn't have been counterbiding
you shouldn't have been counterbiding
they shouldn't have been counterbiding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I counterbid?
should you counterbid?
should he counterbid?
should we counterbid?
should you counterbid?
should they counterbid? 	should I be counterbiding?
should you be counterbiding?
should he be counterbiding?
should we be counterbiding?
should you be counterbiding?
should they be counterbiding? 	should I have counterbid?
should you have counterbid?
should he have counterbid?
should we have counterbid?
should you have counterbid?
should they have counterbid? 	should I have been counterbiding?
should you have been counterbiding?
should he have been counterbiding?
should we have been counterbiding?
should you have been counterbiding?
should they have been counterbiding? 	

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