ought to expound
Regular verb: expound - expounded- expounded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to expound
you ought to expound
he ought to expound
we ought to expound
you ought to expound
they ought to expound 	I ought to be expounding
you ought to be expounding
he ought to be expounding
we ought to be expounding
you ought to be expounding
they ought to be expounding	I ought to have expounded
you ought to have expounded
he ought to have expounded
we ought to have expounded
you ought to have expounded
they ought to have expounded	I ought to have been expounding
you ought to have been expounding
he ought to have been expounding
we ought to have been expounding
you ought to have been expounding
they ought to have been expounding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to expound
you ought not to expound
he ought not to expound
we ought not to expound
you ought not to expound
they ought not to expound 	I ought not to expounding
you ought not to expounding
he ought not to expounding
we ought not to expounding
you ought not to expounding
they ought not to expounding	I ought not to have expounded
you ought not to have expounded
he ought not to have expounded
we ought not to have expounded
you ought not to have expounded
they ought not to have expounded	I ought not to have been expounding
you ought not to have been expounding
he ought not to have been expounding
we ought not to have been expounding
you ought not to have been expounding
they ought not to have been expounding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I expound?
ought to you expound?
ought to he expound?
ought to we expound?
ought to you expound?
ought to they expound? 	ought to I be expounding?
ought to you be expounding?
ought to he be expounding?
ought to we be expounding?
ought to you be expounding?
ought to they be expounding? 	ought to I have expounded?
ought to you have expounded?
ought to he have expounded?
ought to we have expounded?
ought to you have expounded?
ought to they have expounded? 	ought to I have been expounding?
ought to you have been expounding?
ought to he have been expounding?
ought to we have been expounding?
ought to you have been expounding?
ought to they have been expounding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to expound?
ought you not to expound?
ought he not to expound?
ought we not to expound?
ought you not to expound?
ought they not to expound? 	ought I not to be expounding?
ought you not to be expounding?
ought he not to be expounding?
ought we not to be expounding?
ought you not to be expounding?
ought they not to be expounding? 	ought I not to have expounded?
ought you not to have expounded?
ought he not to have expounded?
ought we not to have expounded?
ought you not to have expounded?
ought they not to have expounded? 	ought I not to have been expounding?
ought you not to have been expounding?
ought he not to have been expounding?
ought we not to have been expounding?
ought you not to have been expounding?
ought they not to have been expounding?