English verb conjugation
OUGHT TO USE

Regular verb: use - used - used

Affirmation

Simple form	V-ing form
I ought to use you ought to use she ought to use we ought to use you ought to use they ought to use	I ought to be using you ought to be using she ought to be using we ought to be using you ought to be using they ought to be using
Perfect	V-ing perfect
I ought to have used you ought to have used she ought to have used we ought to have used you ought to have used they ought to have used	I ought to have been using you ought to have been using she ought to have been using we ought to have been using you ought to have been using they ought to have been using

Negation

Simple form	V-ing form
I oughtn't to use you oughtn't to use she oughtn't to use we oughtn't to use you oughtn't to use they oughtn't to use	I oughtn't to be using you oughtn't to be using she oughtn't to be using we oughtn't to be using you oughtn't to be using they oughtn't to be using
Perfect	V-ing perfect
I oughtn't to have used you oughtn't to have used she oughtn't to have used we oughtn't to have used you oughtn't to have used they oughtn't to have used	I oughtn't to have been using you oughtn't to have been using she oughtn't to have been using we oughtn't to have been using you oughtn't to have been using they oughtn't to have been using

Interrogative form

Simple form	V-ing form
ought to I use? ought to you use? ought to she use? ought to we use? ought to you use? ought to they use?	ought to I be using? ought to you be using? ought to she be using? ought to we be using? ought to you be using? ought to they be using?
Perfect	V-ing perfect
ought to I have used? ought to you have used? ought to she have used? ought to we have used? ought to you have used? ought to they have used?	ought to I have been using? ought to you have been using? ought to she have been using? ought to we have been using? ought to you have been using? ought to they have been using?

Interro-negative form

Simple form	V-ing form
oughtn't I to use? oughtn't you to use? oughtn't she to use? oughtn't we to use? oughtn't you to use? oughtn't they to use?	oughtn't I to be using? oughtn't you to be using? oughtn't she to be using? oughtn't we to be using? oughtn't you to be using? oughtn't they to be using?
Perfect	V-ing perfect
oughtn't I to have used? oughtn't you to have used? oughtn't she to have used? oughtn't we to have used? oughtn't you to have used? oughtn't they to have used?	oughtn't I to have been using? oughtn't you to have been using? oughtn't she to have been using? oughtn't we to have been using? oughtn't you to have been using? oughtn't they to have been using?