ought to double-glaze
Regular verb: double-glaze - double-glazed- double-glazed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to double-glaze
you ought to double-glaze
he ought to double-glaze
we ought to double-glaze
you ought to double-glaze
they ought to double-glaze 	I ought to be double-glazing
you ought to be double-glazing
he ought to be double-glazing
we ought to be double-glazing
you ought to be double-glazing
they ought to be double-glazing	I ought to have double-glazed
you ought to have double-glazed
he ought to have double-glazed
we ought to have double-glazed
you ought to have double-glazed
they ought to have double-glazed	I ought to have been double-glazing
you ought to have been double-glazing
he ought to have been double-glazing
we ought to have been double-glazing
you ought to have been double-glazing
they ought to have been double-glazing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to double-glaze
you oughtn't to double-glaze
he oughtn't to double-glaze
we oughtn't to double-glaze
you oughtn't to double-glaze
they oughtn't to double-glaze 	I oughtn't to be double-glazing
you oughtn't to be double-glazing
he oughtn't to be double-glazing
we oughtn't to be double-glazing
you oughtn't to be double-glazing
they oughtn't to be double-glazing	I oughtn't to have double-glazed
you oughtn't to have double-glazed
he oughtn't to have double-glazed
we oughtn't to have double-glazed
you oughtn't to have double-glazed
they oughtn't to have double-glazed	I oughtn't to have been double-glazing
you oughtn't to have been double-glazing
he oughtn't to have been double-glazing
we oughtn't to have been double-glazing
you oughtn't to have been double-glazing
they oughtn't to have been double-glazing	

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

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to double-glaze?
oughtn't you to double-glaze?
oughtn't he to double-glaze?
oughtn't we to double-glaze?
oughtn't you to double-glaze?
oughtn't they to double-glaze? 	oughtn't I to be double-glazing?
oughtn't you to be double-glazing?
oughtn't he to be double-glazing?
oughtn't we to be double-glazing?
oughtn't you to be double-glazing?
oughtn't they to be double-glazing? 	oughtn't I to have double-glazed?
oughtn't you to have double-glazed?
oughtn't he to have double-glazed?
oughtn't we to have double-glazed?
oughtn't you to have double-glazed?
oughtn't they to have double-glazed? 	oughtn't I to have been double-glazing?
oughtn't you to have been double-glazing?
oughtn't he to have been double-glazing?
oughtn't we to have been double-glazing?
oughtn't you to have been double-glazing?
oughtn't they to have been double-glazing?