should ko
Verbo regular: ko - koed- koed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I'd ko
you'd ko
he'd ko
we'd ko
you'd ko
they'd ko 	I'd be koing
you'd be koing
he'd be koing
we'd be koing
you'd be koing
they'd be koing	I should've koed
you should've koed
he should've koed
we should've koed
you should've koed
they should've koed	I should've been koing
you should've been koing
he should've been koing
we should've been koing
you should've been koing
they should've been koing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shouldn't ko
you shouldn't ko
he shouldn't ko
we shouldn't ko
you shouldn't ko
they shouldn't ko 	I shouldn't be koing
you shouldn't be koing
he shouldn't be koing
we shouldn't be koing
you shouldn't be koing
they shouldn't be koing	I shouldn't have koed
you shouldn't have koed
he shouldn't have koed
we shouldn't have koed
you shouldn't have koed
they shouldn't have koed	I shouldn't have been koing
you shouldn't have been koing
he shouldn't have been koing
we shouldn't have been koing
you shouldn't have been koing
they shouldn't have been koing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I ko?
should you ko?
should he ko?
should we ko?
should you ko?
should they ko? 	should I be koing?
should you be koing?
should he be koing?
should we be koing?
should you be koing?
should they be koing? 	should I have koed?
should you have koed?
should he have koed?
should we have koed?
should you have koed?
should they have koed? 	should I have been koing?
should you have been koing?
should he have been koing?
should we have been koing?
should you have been koing?
should they have been koing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shouldn't I ko?
shouldn't you ko?
shouldn't he ko?
shouldn't we ko?
shouldn't you ko?
shouldn't they ko? 	shouldn't I be koing?
shouldn't you be koing?
shouldn't he be koing?
shouldn't we be koing?
shouldn't you be koing?
shouldn't they be koing? 	shouldn't I have koed?
shouldn't you have koed?
shouldn't he have koed?
shouldn't we have koed?
shouldn't you have koed?
shouldn't they have koed? 	shouldn't I have been koing?
shouldn't you have been koing?
shouldn't he have been koing?
shouldn't we have been koing?
shouldn't you have been koing?
shouldn't they have been koing?