should bicker
Regular verb: bicker - bickered- bickered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should bicker
you should bicker
she should bicker
we should bicker
you should bicker
they should bicker 	I should be bickering
you should be bickering
she should be bickering
we should be bickering
you should be bickering
they should be bickering	I should have bickered
you should have bickered
she should have bickered
we should have bickered
you should have bickered
they should have bickered	I should have been bickering
you should have been bickering
she should have been bickering
we should have been bickering
you should have been bickering
they should have been bickering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not bicker
you should not bicker
she should not bicker
we should not bicker
you should not bicker
they should not bicker 	I should not be bickering
you should not be bickering
she should not be bickering
we should not be bickering
you should not be bickering
they should not be bickering	I should not have bickered
you should not have bickered
she should not have bickered
we should not have bickered
you should not have bickered
they should not have bickered	I should not have been bickering
you should not have been bickering
she should not have been bickering
we should not have been bickering
you should not have been bickering
they should not have been bickering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I bicker?
should you bicker?
should she bicker?
should we bicker?
should you bicker?
should they bicker? 	should I be bickering?
should you be bickering?
should she be bickering?
should we be bickering?
should you be bickering?
should they be bickering? 	should I have bickered?
should you have bickered?
should she have bickered?
should we have bickered?
should you have bickered?
should they have bickered? 	should I have been bickering?
should you have been bickering?
should she have been bickering?
should we have been bickering?
should you have been bickering?
should they have been bickering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not bicker?
should you not bicker?
should she not bicker?
should we not bicker?
should you not bicker?
should they not bicker? 	should I not be bickering?
should you not be bickering?
should she not be bickering?
should we not be bickering?
should you not be bickering?
should they not be bickering? 	should I not have bickered?
should you not have bickered?
should she not have bickered?
should we not have bickered?
should you not have bickered?
should they not have bickered? 	should I not have been bickering?
should you not have been bickering?
should she not have been bickering?
should we not have been bickering?
should you not have been bickering?
should they not have been bickering?