ought to octuple
Regular verb: octuple - octupled- octupled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to octuple
you ought to octuple
he ought to octuple
we ought to octuple
you ought to octuple
they ought to octuple 	I ought to be octupling
you ought to be octupling
he ought to be octupling
we ought to be octupling
you ought to be octupling
they ought to be octupling	I ought to have octupled
you ought to have octupled
he ought to have octupled
we ought to have octupled
you ought to have octupled
they ought to have octupled	I ought to have been octupling
you ought to have been octupling
he ought to have been octupling
we ought to have been octupling
you ought to have been octupling
they ought to have been octupling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to octuple
you ought not to octuple
he ought not to octuple
we ought not to octuple
you ought not to octuple
they ought not to octuple 	I ought not to octupling
you ought not to octupling
he ought not to octupling
we ought not to octupling
you ought not to octupling
they ought not to octupling	I ought not to have octupled
you ought not to have octupled
he ought not to have octupled
we ought not to have octupled
you ought not to have octupled
they ought not to have octupled	I ought not to have been octupling
you ought not to have been octupling
he ought not to have been octupling
we ought not to have been octupling
you ought not to have been octupling
they ought not to have been octupling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I octuple?
ought to you octuple?
ought to he octuple?
ought to we octuple?
ought to you octuple?
ought to they octuple? 	ought to I be octupling?
ought to you be octupling?
ought to he be octupling?
ought to we be octupling?
ought to you be octupling?
ought to they be octupling? 	ought to I have octupled?
ought to you have octupled?
ought to he have octupled?
ought to we have octupled?
ought to you have octupled?
ought to they have octupled? 	ought to I have been octupling?
ought to you have been octupling?
ought to he have been octupling?
ought to we have been octupling?
ought to you have been octupling?
ought to they have been octupling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to octuple?
ought you not to octuple?
ought he not to octuple?
ought we not to octuple?
ought you not to octuple?
ought they not to octuple? 	ought I not to be octupling?
ought you not to be octupling?
ought he not to be octupling?
ought we not to be octupling?
ought you not to be octupling?
ought they not to be octupling? 	ought I not to have octupled?
ought you not to have octupled?
ought he not to have octupled?
ought we not to have octupled?
ought you not to have octupled?
ought they not to have octupled? 	ought I not to have been octupling?
ought you not to have been octupling?
ought he not to have been octupling?
ought we not to have been octupling?
ought you not to have been octupling?
ought they not to have been octupling?