should keen
Verbo regular: keen - keened- keened

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should keen
you should keen
he should keen
we should keen
you should keen
they should keen 	I should be keening
you should be keening
he should be keening
we should be keening
you should be keening
they should be keening	I should have keened
you should have keened
he should have keened
we should have keened
you should have keened
they should have keened	I should have been keening
you should have been keening
he should have been keening
we should have been keening
you should have been keening
they should have been keening	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should not keen
you should not keen
he should not keen
we should not keen
you should not keen
they should not keen 	I should not be keening
you should not be keening
he should not be keening
we should not be keening
you should not be keening
they should not be keening	I should not have keened
you should not have keened
he should not have keened
we should not have keened
you should not have keened
they should not have keened	I should not have been keening
you should not have been keening
he should not have been keening
we should not have been keening
you should not have been keening
they should not have been keening	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I keen?
should you keen?
should he keen?
should we keen?
should you keen?
should they keen? 	should I be keening?
should you be keening?
should he be keening?
should we be keening?
should you be keening?
should they be keening? 	should I have keened?
should you have keened?
should he 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 he have been keening?
should we have been keening?
should you have been keening?
should they have been keening? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I not keen?
should you not keen?
should he not keen?
should we not keen?
should you not keen?
should they not keen? 	should I not be keening?
should you not be keening?
should he not be keening?
should we not be keening?
should you not be keening?
should they not be keening? 	should I not have keened?
should you not have keened?
should he not have keened?
should we not have keened?
should you not have keened?
should they not have keened? 	should I not have been keening?
should you not have been keening?
should he not have been keening?
should we not have been keening?
should you not have been keening?
should they not have been keening?