ought to concede
Regular verb: concede - conceded- conceded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to concede
you ought to concede
he ought to concede
we ought to concede
you ought to concede
they ought to concede 	I ought to be conceding
you ought to be conceding
he ought to be conceding
we ought to be conceding
you ought to be conceding
they ought to be conceding	I ought to have conceded
you ought to have conceded
he ought to have conceded
we ought to have conceded
you ought to have conceded
they ought to have conceded	I ought to have been conceding
you ought to have been conceding
he ought to have been conceding
we ought to have been conceding
you ought to have been conceding
they ought to have been conceding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to concede
you ought not to concede
he ought not to concede
we ought not to concede
you ought not to concede
they ought not to concede 	I ought not to conceding
you ought not to conceding
he ought not to conceding
we ought not to conceding
you ought not to conceding
they ought not to conceding	I ought not to have conceded
you ought not to have conceded
he ought not to have conceded
we ought not to have conceded
you ought not to have conceded
they ought not to have conceded	I ought not to have been conceding
you ought not to have been conceding
he ought not to have been conceding
we ought not to have been conceding
you ought not to have been conceding
they ought not to have been conceding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I concede?
ought to you concede?
ought to he concede?
ought to we concede?
ought to you concede?
ought to they concede? 	ought to I be conceding?
ought to you be conceding?
ought to he be conceding?
ought to we be conceding?
ought to you be conceding?
ought to they be conceding? 	ought to I have conceded?
ought to you have conceded?
ought to he have conceded?
ought to we have conceded?
ought to you have conceded?
ought to they have conceded? 	ought to I have been conceding?
ought to you have been conceding?
ought to he have been conceding?
ought to we have been conceding?
ought to you have been conceding?
ought to they have been conceding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to concede?
ought you not to concede?
ought he not to concede?
ought we not to concede?
ought you not to concede?
ought they not to concede? 	ought I not to be conceding?
ought you not to be conceding?
ought he not to be conceding?
ought we not to be conceding?
ought you not to be conceding?
ought they not to be conceding? 	ought I not to have conceded?
ought you not to have conceded?
ought he not to have conceded?
ought we not to have conceded?
ought you not to have conceded?
ought they not to have conceded? 	ought I not to have been conceding?
ought you not to have been conceding?
ought he not to have been conceding?
ought we not to have been conceding?
ought you not to have been conceding?
ought they not to have been conceding?