should biff
Regelmä&szlig;iges Verb: biff - biffed- biffed

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I should biff
you should biff
he should biff
we should biff
you should biff
they should biff 	I should be biffing
you should be biffing
he should be biffing
we should be biffing
you should be biffing
they should be biffing	I should have biffed
you should have biffed
he should have biffed
we should have biffed
you should have biffed
they should have biffed	I should have been biffing
you should have been biffing
he should have been biffing
we should have been biffing
you should have been biffing
they should have been biffing	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I should not biff
you should not biff
he should not biff
we should not biff
you should not biff
they should not biff 	I should not be biffing
you should not be biffing
he should not be biffing
we should not be biffing
you should not be biffing
they should not be biffing	I should not have biffed
you should not have biffed
he should not have biffed
we should not have biffed
you should not have biffed
they should not have biffed	I should not have been biffing
you should not have been biffing
he should not have been biffing
we should not have been biffing
you should not have been biffing
they should not have been biffing	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
should I biff?
should you biff?
should he biff?
should we biff?
should you biff?
should they biff? 	should I be biffing?
should you be biffing?
should he be biffing?
should we be biffing?
should you be biffing?
should they be biffing? 	should I have biffed?
should you have biffed?
should he have biffed?
should we have biffed?
should you have biffed?
should they have biffed? 	should I have been biffing?
should you have been biffing?
should he have been biffing?
should we have been biffing?
should you have been biffing?
should they have been biffing? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
should I not biff?
should you not biff?
should he not biff?
should we not biff?
should you not biff?
should they not biff? 	should I not be biffing?
should you not be biffing?
should he not be biffing?
should we not be biffing?
should you not be biffing?
should they not be biffing? 	should I not have biffed?
should you not have biffed?
should he not have biffed?
should we not have biffed?
should you not have biffed?
should they not have biffed? 	should I not have been biffing?
should you not have been biffing?
should he not have been biffing?
should we not have been biffing?
should you not have been biffing?
should they not have been biffing?