should bias
Regular verb: bias - biased- biased

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd bias
you'd bias
he'd bias
we'd bias
you'd bias
they'd bias 	I'd be biasing
you'd be biasing
he'd be biasing
we'd be biasing
you'd be biasing
they'd be biasing	I should've biased
you should've biased
he should've biased
we should've biased
you should've biased
they should've biased	I should've been biasing
you should've been biasing
he should've been biasing
we should've been biasing
you should've been biasing
they should've been biasing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't bias
you shouldn't bias
he shouldn't bias
we shouldn't bias
you shouldn't bias
they shouldn't bias 	I shouldn't be biasing
you shouldn't be biasing
he shouldn't be biasing
we shouldn't be biasing
you shouldn't be biasing
they shouldn't be biasing	I shouldn't have biased
you shouldn't have biased
he shouldn't have biased
we shouldn't have biased
you shouldn't have biased
they shouldn't have biased	I shouldn't have been biasing
you shouldn't have been biasing
he shouldn't have been biasing
we shouldn't have been biasing
you shouldn't have been biasing
they shouldn't have been biasing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I bias?
should you bias?
should he bias?
should we bias?
should you bias?
should they bias? 	should I be biasing?
should you be biasing?
should he be biasing?
should we be biasing?
should you be biasing?
should they be biasing? 	should I have biased?
should you have biased?
should he have biased?
should we have biased?
should you have biased?
should they have biased? 	should I have been biasing?
should you have been biasing?
should he have been biasing?
should we have been biasing?
should you have been biasing?
should they have been biasing? 	

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