should chaff
Regular verb: chaff - chaffed- chaffed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd chaff
you'd chaff
she'd chaff
we'd chaff
you'd chaff
they'd chaff 	I'd be chaffing
you'd be chaffing
she'd be chaffing
we'd be chaffing
you'd be chaffing
they'd be chaffing	I should've chaffed
you should've chaffed
she should've chaffed
we should've chaffed
you should've chaffed
they should've chaffed	I should've been chaffing
you should've been chaffing
she should've been chaffing
we should've been chaffing
you should've been chaffing
they should've been chaffing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't chaff
you shouldn't chaff
she shouldn't chaff
we shouldn't chaff
you shouldn't chaff
they shouldn't chaff 	I shouldn't be chaffing
you shouldn't be chaffing
she shouldn't be chaffing
we shouldn't be chaffing
you shouldn't be chaffing
they shouldn't be chaffing	I shouldn't have chaffed
you shouldn't have chaffed
she shouldn't have chaffed
we shouldn't have chaffed
you shouldn't have chaffed
they shouldn't have chaffed	I shouldn't have been chaffing
you shouldn't have been chaffing
she shouldn't have been chaffing
we shouldn't have been chaffing
you shouldn't have been chaffing
they shouldn't have been chaffing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I chaff?
should you chaff?
should she chaff?
should we chaff?
should you chaff?
should they chaff? 	should I be chaffing?
should you be chaffing?
should she be chaffing?
should we be chaffing?
should you be chaffing?
should they be chaffing? 	should I have chaffed?
should you have chaffed?
should she have chaffed?
should we have chaffed?
should you have chaffed?
should they have chaffed? 	should I have been chaffing?
should you have been chaffing?
should she have been chaffing?
should we have been chaffing?
should you have been chaffing?
should they have been chaffing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I chaff?
shouldn't you chaff?
shouldn't she chaff?
shouldn't we chaff?
shouldn't you chaff?
shouldn't they chaff? 	shouldn't I be chaffing?
shouldn't you be chaffing?
shouldn't she be chaffing?
shouldn't we be chaffing?
shouldn't you be chaffing?
shouldn't they be chaffing? 	shouldn't I have chaffed?
shouldn't you have chaffed?
shouldn't she have chaffed?
shouldn't we have chaffed?
shouldn't you have chaffed?
shouldn't they have chaffed? 	shouldn't I have been chaffing?
shouldn't you have been chaffing?
shouldn't she have been chaffing?
shouldn't we have been chaffing?
shouldn't you have been chaffing?
shouldn't they have been chaffing?