ought to double
Regular verb: double - doubled- doubled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to double
you ought to double
he ought to double
we ought to double
you ought to double
they ought to double 	I ought to be doubling
you ought to be doubling
he ought to be doubling
we ought to be doubling
you ought to be doubling
they ought to be doubling	I ought to have doubled
you ought to have doubled
he ought to have doubled
we ought to have doubled
you ought to have doubled
they ought to have doubled	I ought to have been doubling
you ought to have been doubling
he ought to have been doubling
we ought to have been doubling
you ought to have been doubling
they ought to have been doubling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to double
you ought not to double
he ought not to double
we ought not to double
you ought not to double
they ought not to double 	I ought not to doubling
you ought not to doubling
he ought not to doubling
we ought not to doubling
you ought not to doubling
they ought not to doubling	I ought not to have doubled
you ought not to have doubled
he ought not to have doubled
we ought not to have doubled
you ought not to have doubled
they ought not to have doubled	I ought not to have been doubling
you ought not to have been doubling
he ought not to have been doubling
we ought not to have been doubling
you ought not to have been doubling
they ought not to have been doubling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I double?
ought to you double?
ought to he double?
ought to we double?
ought to you double?
ought to they double? 	ought to I be doubling?
ought to you be doubling?
ought to he be doubling?
ought to we be doubling?
ought to you be doubling?
ought to they be doubling? 	ought to I have doubled?
ought to you have doubled?
ought to he have doubled?
ought to we have doubled?
ought to you have doubled?
ought to they have doubled? 	ought to I have been doubling?
ought to you have been doubling?
ought to he have been doubling?
ought to we have been doubling?
ought to you have been doubling?
ought to they have been doubling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to double?
ought you not to double?
ought he not to double?
ought we not to double?
ought you not to double?
ought they not to double? 	ought I not to be doubling?
ought you not to be doubling?
ought he not to be doubling?
ought we not to be doubling?
ought you not to be doubling?
ought they not to be doubling? 	ought I not to have doubled?
ought you not to have doubled?
ought he not to have doubled?
ought we not to have doubled?
ought you not to have doubled?
ought they not to have doubled? 	ought I not to have been doubling?
ought you not to have been doubling?
ought he not to have been doubling?
ought we not to have been doubling?
ought you not to have been doubling?
ought they not to have been doubling?