should ko
Verbo regular: ko - koed- koed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should ko
you should ko
she should ko
we should ko
you should ko
they should ko 	I should be koing
you should be koing
she should be koing
we should be koing
you should be koing
they should be koing	I should have koed
you should have koed
she should have koed
we should have koed
you should have koed
they should have koed	I should have been koing
you should have been koing
she should have been koing
we should have been koing
you should have been koing
they should have been koing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should not ko
you should not ko
she should not ko
we should not ko
you should not ko
they should not ko 	I should not be koing
you should not be koing
she should not be koing
we should not be koing
you should not be koing
they should not be koing	I should not have koed
you should not have koed
she should not have koed
we should not have koed
you should not have koed
they should not have koed	I should not have been koing
you should not have been koing
she should not have been koing
we should not have been koing
you should not have been koing
they should not have been koing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I ko?
should you ko?
should she ko?
should we ko?
should you ko?
should they ko? 	should I be koing?
should you be koing?
should she be koing?
should we be koing?
should you be koing?
should they be koing? 	should I have koed?
should you have koed?
should she 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 she 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 	
should I not ko?
should you not ko?
should she not ko?
should we not ko?
should you not ko?
should they not ko? 	should I not be koing?
should you not be koing?
should she not be koing?
should we not be koing?
should you not be koing?
should they not be koing? 	should I not have koed?
should you not have koed?
should she not have koed?
should we not have koed?
should you not have koed?
should they not have koed? 	should I not have been koing?
should you not have been koing?
should she not have been koing?
should we not have been koing?
should you not have been koing?
should they not have been koing?