should keen
Regular verb: keen - keened- keened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd keen
you'd keen
she'd keen
we'd keen
you'd keen
they'd keen 	I'd be keening
you'd be keening
she'd be keening
we'd be keening
you'd be keening
they'd be keening	I should've keened
you should've keened
she should've keened
we should've keened
you should've keened
they should've keened	I should've been keening
you should've been keening
she should've been keening
we should've been keening
you should've been keening
they should've been keening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't keen
you shouldn't keen
she shouldn't keen
we shouldn't keen
you shouldn't keen
they shouldn't keen 	I shouldn't be keening
you shouldn't be keening
she shouldn't be keening
we shouldn't be keening
you shouldn't be keening
they shouldn't be keening	I shouldn't have keened
you shouldn't have keened
she shouldn't have keened
we shouldn't have keened
you shouldn't have keened
they shouldn't have keened	I shouldn't have been keening
you shouldn't have been keening
she shouldn't have been keening
we shouldn't have been keening
you shouldn't have been keening
they shouldn't have been keening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I keen?
should you keen?
should she keen?
should we keen?
should you keen?
should they keen? 	should I be keening?
should you be keening?
should she be keening?
should we be keening?
should you be keening?
should they be keening? 	should I have keened?
should you have keened?
should she have keened?
should we have keened?
should you have keened?
should they have keened? 	should I have been keening?
should you have been keening?
should she have been keening?
should we have been keening?
should you have been keening?
should they have been keening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I keen?
shouldn't you keen?
shouldn't she keen?
shouldn't we keen?
shouldn't you keen?
shouldn't they keen? 	shouldn't I be keening?
shouldn't you be keening?
shouldn't she be keening?
shouldn't we be keening?
shouldn't you be keening?
shouldn't they be keening? 	shouldn't I have keened?
shouldn't you have keened?
shouldn't she have keened?
shouldn't we have keened?
shouldn't you have keened?
shouldn't they have keened? 	shouldn't I have been keening?
shouldn't you have been keening?
shouldn't she have been keening?
shouldn't we have been keening?
shouldn't you have been keening?
shouldn't they have been keening?