ought to double-knit
Regular verb: double-knit - double-knited- double-knited

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to double-knit
you ought to double-knit
she ought to double-knit
we ought to double-knit
you ought to double-knit
they ought to double-knit 	I ought to be double-kniting
you ought to be double-kniting
she ought to be double-kniting
we ought to be double-kniting
you ought to be double-kniting
they ought to be double-kniting	I ought to have double-knited
you ought to have double-knited
she ought to have double-knited
we ought to have double-knited
you ought to have double-knited
they ought to have double-knited	I ought to have been double-kniting
you ought to have been double-kniting
she ought to have been double-kniting
we ought to have been double-kniting
you ought to have been double-kniting
they ought to have been double-kniting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to double-knit
you oughtn't to double-knit
she oughtn't to double-knit
we oughtn't to double-knit
you oughtn't to double-knit
they oughtn't to double-knit 	I oughtn't to be double-kniting
you oughtn't to be double-kniting
she oughtn't to be double-kniting
we oughtn't to be double-kniting
you oughtn't to be double-kniting
they oughtn't to be double-kniting	I oughtn't to have double-knited
you oughtn't to have double-knited
she oughtn't to have double-knited
we oughtn't to have double-knited
you oughtn't to have double-knited
they oughtn't to have double-knited	I oughtn't to have been double-kniting
you oughtn't to have been double-kniting
she oughtn't to have been double-kniting
we oughtn't to have been double-kniting
you oughtn't to have been double-kniting
they oughtn't to have been double-kniting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I double-knit?
ought to you double-knit?
ought to she double-knit?
ought to we double-knit?
ought to you double-knit?
ought to they double-knit? 	ought to I be double-kniting?
ought to you be double-kniting?
ought to she be double-kniting?
ought to we be double-kniting?
ought to you be double-kniting?
ought to they be double-kniting? 	ought to I have double-knited?
ought to you have double-knited?
ought to she have double-knited?
ought to we have double-knited?
ought to you have double-knited?
ought to they have double-knited? 	ought to I have been double-kniting?
ought to you have been double-kniting?
ought to she have been double-kniting?
ought to we have been double-kniting?
ought to you have been double-kniting?
ought to they have been double-kniting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to double-knit?
oughtn't you to double-knit?
oughtn't she to double-knit?
oughtn't we to double-knit?
oughtn't you to double-knit?
oughtn't they to double-knit? 	oughtn't I to be double-kniting?
oughtn't you to be double-kniting?
oughtn't she to be double-kniting?
oughtn't we to be double-kniting?
oughtn't you to be double-kniting?
oughtn't they to be double-kniting? 	oughtn't I to have double-knited?
oughtn't you to have double-knited?
oughtn't she to have double-knited?
oughtn't we to have double-knited?
oughtn't you to have double-knited?
oughtn't they to have double-knited? 	oughtn't I to have been double-kniting?
oughtn't you to have been double-kniting?
oughtn't she to have been double-kniting?
oughtn't we to have been double-kniting?
oughtn't you to have been double-kniting?
oughtn't they to have been double-kniting?