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
she 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
she 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
she 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
she 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 oughtn't to double
you oughtn't to double
she oughtn't to double
we oughtn't to double
you oughtn't to double
they oughtn't to double 	I oughtn't to be doubling
you oughtn't to be doubling
she oughtn't to be doubling
we oughtn't to be doubling
you oughtn't to be doubling
they oughtn't to be doubling	I oughtn't to have doubled
you oughtn't to have doubled
she oughtn't to have doubled
we oughtn't to have doubled
you oughtn't to have doubled
they oughtn't to have doubled	I oughtn't to have been doubling
you oughtn't to have been doubling
she oughtn't to have been doubling
we oughtn't to have been doubling
you oughtn't to have been doubling
they oughtn't 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 she 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 she 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 she 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 she 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 	
oughtn't I to double?
oughtn't you to double?
oughtn't she to double?
oughtn't we to double?
oughtn't you to double?
oughtn't they to double? 	oughtn't I to be doubling?
oughtn't you to be doubling?
oughtn't she to be doubling?
oughtn't we to be doubling?
oughtn't you to be doubling?
oughtn't they to be doubling? 	oughtn't I to have doubled?
oughtn't you to have doubled?
oughtn't she to have doubled?
oughtn't we to have doubled?
oughtn't you to have doubled?
oughtn't they to have doubled? 	oughtn't I to have been doubling?
oughtn't you to have been doubling?
oughtn't she to have been doubling?
oughtn't we to have been doubling?
oughtn't you to have been doubling?
oughtn't they to have been doubling?