ought to further
Regular verb: further - furthered- furthered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to further
you ought to further
she ought to further
we ought to further
you ought to further
they ought to further 	I ought to be furthering
you ought to be furthering
she ought to be furthering
we ought to be furthering
you ought to be furthering
they ought to be furthering	I ought to have furthered
you ought to have furthered
she ought to have furthered
we ought to have furthered
you ought to have furthered
they ought to have furthered	I ought to have been furthering
you ought to have been furthering
she ought to have been furthering
we ought to have been furthering
you ought to have been furthering
they ought to have been furthering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to further
you ought not to further
she ought not to further
we ought not to further
you ought not to further
they ought not to further 	I ought not to furthering
you ought not to furthering
she ought not to furthering
we ought not to furthering
you ought not to furthering
they ought not to furthering	I ought not to have furthered
you ought not to have furthered
she ought not to have furthered
we ought not to have furthered
you ought not to have furthered
they ought not to have furthered	I ought not to have been furthering
you ought not to have been furthering
she ought not to have been furthering
we ought not to have been furthering
you ought not to have been furthering
they ought not to have been furthering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I further?
ought to you further?
ought to she further?
ought to we further?
ought to you further?
ought to they further? 	ought to I be furthering?
ought to you be furthering?
ought to she be furthering?
ought to we be furthering?
ought to you be furthering?
ought to they be furthering? 	ought to I have furthered?
ought to you have furthered?
ought to she have furthered?
ought to we have furthered?
ought to you have furthered?
ought to they have furthered? 	ought to I have been furthering?
ought to you have been furthering?
ought to she have been furthering?
ought to we have been furthering?
ought to you have been furthering?
ought to they have been furthering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to further?
ought you not to further?
ought she not to further?
ought we not to further?
ought you not to further?
ought they not to further? 	ought I not to be furthering?
ought you not to be furthering?
ought she not to be furthering?
ought we not to be furthering?
ought you not to be furthering?
ought they not to be furthering? 	ought I not to have furthered?
ought you not to have furthered?
ought she not to have furthered?
ought we not to have furthered?
ought you not to have furthered?
ought they not to have furthered? 	ought I not to have been furthering?
ought you not to have been furthering?
ought she not to have been furthering?
ought we not to have been furthering?
ought you not to have been furthering?
ought they not to have been furthering?