ought to ko
Verbo regolare: ko - koed- koed

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I ought to ko
you ought to ko
he ought to ko
we ought to ko
you ought to ko
they ought to ko 	I ought to be koing
you ought to be koing
he ought to be koing
we ought to be koing
you ought to be koing
they ought to be koing	I ought to have koed
you ought to have koed
he ought to have koed
we ought to have koed
you ought to have koed
they ought to have koed	I ought to have been koing
you ought to have been koing
he ought to have been koing
we ought to have been koing
you ought to have been koing
they ought to have been koing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I ought not to ko
you ought not to ko
he ought not to ko
we ought not to ko
you ought not to ko
they ought not to ko 	I ought not to koing
you ought not to koing
he ought not to koing
we ought not to koing
you ought not to koing
they ought not to koing	I ought not to have koed
you ought not to have koed
he ought not to have koed
we ought not to have koed
you ought not to have koed
they ought not to have koed	I ought not to have been koing
you ought not to have been koing
he ought not to have been koing
we ought not to have been koing
you ought not to have been koing
they ought not to have been koing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
ought to I ko?
ought to you ko?
ought to he ko?
ought to we ko?
ought to you ko?
ought to they ko? 	ought to I be koing?
ought to you be koing?
ought to he be koing?
ought to we be koing?
ought to you be koing?
ought to they be koing? 	ought to I have koed?
ought to you have koed?
ought to he have koed?
ought to we have koed?
ought to you have koed?
ought to they have koed? 	ought to I have been koing?
ought to you have been koing?
ought to he have been koing?
ought to we have been koing?
ought to you have been koing?
ought to they have been koing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
ought I not to ko?
ought you not to ko?
ought he not to ko?
ought we not to ko?
ought you not to ko?
ought they not to ko? 	ought I not to be koing?
ought you not to be koing?
ought he not to be koing?
ought we not to be koing?
ought you not to be koing?
ought they not to be koing? 	ought I not to have koed?
ought you not to have koed?
ought he not to have koed?
ought we not to have koed?
ought you not to have koed?
ought they not to have koed? 	ought I not to have been koing?
ought you not to have been koing?
ought he not to have been koing?
ought we not to have been koing?
ought you not to have been koing?
ought they not to have been koing?