should feign
Regular verb: feign - feigned- feigned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd feign
you'd feign
he'd feign
we'd feign
you'd feign
they'd feign 	I'd be feigning
you'd be feigning
he'd be feigning
we'd be feigning
you'd be feigning
they'd be feigning	I should've feigned
you should've feigned
he should've feigned
we should've feigned
you should've feigned
they should've feigned	I should've been feigning
you should've been feigning
he should've been feigning
we should've been feigning
you should've been feigning
they should've been feigning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't feign
you shouldn't feign
he shouldn't feign
we shouldn't feign
you shouldn't feign
they shouldn't feign 	I shouldn't be feigning
you shouldn't be feigning
he shouldn't be feigning
we shouldn't be feigning
you shouldn't be feigning
they shouldn't be feigning	I shouldn't have feigned
you shouldn't have feigned
he shouldn't have feigned
we shouldn't have feigned
you shouldn't have feigned
they shouldn't have feigned	I shouldn't have been feigning
you shouldn't have been feigning
he shouldn't have been feigning
we shouldn't have been feigning
you shouldn't have been feigning
they shouldn't have been feigning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I feign?
should you feign?
should he feign?
should we feign?
should you feign?
should they feign? 	should I be feigning?
should you be feigning?
should he be feigning?
should we be feigning?
should you be feigning?
should they be feigning? 	should I have feigned?
should you have feigned?
should he have feigned?
should we have feigned?
should you have feigned?
should they have feigned? 	should I have been feigning?
should you have been feigning?
should he have been feigning?
should we have been feigning?
should you have been feigning?
should they have been feigning? 	

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