ought to stump
Regular verb: stump - stumped- stumped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to stump
you ought to stump
he ought to stump
we ought to stump
you ought to stump
they ought to stump 	I ought to be stumping
you ought to be stumping
he ought to be stumping
we ought to be stumping
you ought to be stumping
they ought to be stumping	I ought to have stumped
you ought to have stumped
he ought to have stumped
we ought to have stumped
you ought to have stumped
they ought to have stumped	I ought to have been stumping
you ought to have been stumping
he ought to have been stumping
we ought to have been stumping
you ought to have been stumping
they ought to have been stumping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to stump
you ought not to stump
he ought not to stump
we ought not to stump
you ought not to stump
they ought not to stump 	I ought not to stumping
you ought not to stumping
he ought not to stumping
we ought not to stumping
you ought not to stumping
they ought not to stumping	I ought not to have stumped
you ought not to have stumped
he ought not to have stumped
we ought not to have stumped
you ought not to have stumped
they ought not to have stumped	I ought not to have been stumping
you ought not to have been stumping
he ought not to have been stumping
we ought not to have been stumping
you ought not to have been stumping
they ought not to have been stumping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I stump?
ought to you stump?
ought to he stump?
ought to we stump?
ought to you stump?
ought to they stump? 	ought to I be stumping?
ought to you be stumping?
ought to he be stumping?
ought to we be stumping?
ought to you be stumping?
ought to they be stumping? 	ought to I have stumped?
ought to you have stumped?
ought to he have stumped?
ought to we have stumped?
ought to you have stumped?
ought to they have stumped? 	ought to I have been stumping?
ought to you have been stumping?
ought to he have been stumping?
ought to we have been stumping?
ought to you have been stumping?
ought to they have been stumping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to stump?
ought you not to stump?
ought he not to stump?
ought we not to stump?
ought you not to stump?
ought they not to stump? 	ought I not to be stumping?
ought you not to be stumping?
ought he not to be stumping?
ought we not to be stumping?
ought you not to be stumping?
ought they not to be stumping? 	ought I not to have stumped?
ought you not to have stumped?
ought he not to have stumped?
ought we not to have stumped?
ought you not to have stumped?
ought they not to have stumped? 	ought I not to have been stumping?
ought you not to have been stumping?
ought he not to have been stumping?
ought we not to have been stumping?
ought you not to have been stumping?
ought they not to have been stumping?