ought to subdivide
Regular verb: subdivide - subdivided- subdivided

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to subdivide
you ought to subdivide
he ought to subdivide
we ought to subdivide
you ought to subdivide
they ought to subdivide 	I ought to be subdividing
you ought to be subdividing
he ought to be subdividing
we ought to be subdividing
you ought to be subdividing
they ought to be subdividing	I ought to have subdivided
you ought to have subdivided
he ought to have subdivided
we ought to have subdivided
you ought to have subdivided
they ought to have subdivided	I ought to have been subdividing
you ought to have been subdividing
he ought to have been subdividing
we ought to have been subdividing
you ought to have been subdividing
they ought to have been subdividing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to subdivide
you ought not to subdivide
he ought not to subdivide
we ought not to subdivide
you ought not to subdivide
they ought not to subdivide 	I ought not to subdividing
you ought not to subdividing
he ought not to subdividing
we ought not to subdividing
you ought not to subdividing
they ought not to subdividing	I ought not to have subdivided
you ought not to have subdivided
he ought not to have subdivided
we ought not to have subdivided
you ought not to have subdivided
they ought not to have subdivided	I ought not to have been subdividing
you ought not to have been subdividing
he ought not to have been subdividing
we ought not to have been subdividing
you ought not to have been subdividing
they ought not to have been subdividing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I subdivide?
ought to you subdivide?
ought to he subdivide?
ought to we subdivide?
ought to you subdivide?
ought to they subdivide? 	ought to I be subdividing?
ought to you be subdividing?
ought to he be subdividing?
ought to we be subdividing?
ought to you be subdividing?
ought to they be subdividing? 	ought to I have subdivided?
ought to you have subdivided?
ought to he have subdivided?
ought to we have subdivided?
ought to you have subdivided?
ought to they have subdivided? 	ought to I have been subdividing?
ought to you have been subdividing?
ought to he have been subdividing?
ought to we have been subdividing?
ought to you have been subdividing?
ought to they have been subdividing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to subdivide?
ought you not to subdivide?
ought he not to subdivide?
ought we not to subdivide?
ought you not to subdivide?
ought they not to subdivide? 	ought I not to be subdividing?
ought you not to be subdividing?
ought he not to be subdividing?
ought we not to be subdividing?
ought you not to be subdividing?
ought they not to be subdividing? 	ought I not to have subdivided?
ought you not to have subdivided?
ought he not to have subdivided?
ought we not to have subdivided?
ought you not to have subdivided?
ought they not to have subdivided? 	ought I not to have been subdividing?
ought you not to have been subdividing?
ought he not to have been subdividing?
ought we not to have been subdividing?
ought you not to have been subdividing?
ought they not to have been subdividing?