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 oughtn't to expound
you oughtn't to expound
he oughtn't to expound
we oughtn't to expound
you oughtn't to expound
they oughtn't to expound 	I oughtn't to be expounding
you oughtn't to be expounding
he oughtn't to be expounding
we oughtn't to be expounding
you oughtn't to be expounding
they oughtn't to be expounding	I oughtn't to have expounded
you oughtn't to have expounded
he oughtn't to have expounded
we oughtn't to have expounded
you oughtn't to have expounded
they oughtn't to have expounded	I oughtn't to have been expounding
you oughtn't to have been expounding
he oughtn't to have been expounding
we oughtn't to have been expounding
you oughtn't to have been expounding
they oughtn't 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 	
oughtn't I to expound?
oughtn't you to expound?
oughtn't he to expound?
oughtn't we to expound?
oughtn't you to expound?
oughtn't they to expound? 	oughtn't I to be expounding?
oughtn't you to be expounding?
oughtn't he to be expounding?
oughtn't we to be expounding?
oughtn't you to be expounding?
oughtn't they to be expounding? 	oughtn't I to have expounded?
oughtn't you to have expounded?
oughtn't he to have expounded?
oughtn't we to have expounded?
oughtn't you to have expounded?
oughtn't they to have expounded? 	oughtn't I to have been expounding?
oughtn't you to have been expounding?
oughtn't he to have been expounding?
oughtn't we to have been expounding?
oughtn't you to have been expounding?
oughtn't they to have been expounding?