English verb conjugation
OUGHT TO RETROGRADE

Regular verb: retrograde - retrograded - retrograded

Affirmation

Simple form	V-ing form
I ought to retrograde you ought to retrograde she ought to retrograde we ought to retrograde you ought to retrograde they ought to retrograde	I ought to be retrograding you ought to be retrograding she ought to be retrograding we ought to be retrograding you ought to be retrograding they ought to be retrograding
Perfect	V-ing perfect
I ought to have retrograded you ought to have retrograded she ought to have retrograded we ought to have retrograded you ought to have retrograded they ought to have retrograded	I ought to have been retrograding you ought to have been retrograding she ought to have been retrograding we ought to have been retrograding you ought to have been retrograding they ought to have been retrograding

Negation

Simple form	V-ing form
I oughtn't to retrograde you oughtn't to retrograde she oughtn't to retrograde we oughtn't to retrograde you oughtn't to retrograde they oughtn't to retrograde	I oughtn't to be retrograding you oughtn't to be retrograding she oughtn't to be retrograding we oughtn't to be retrograding you oughtn't to be retrograding they oughtn't to be retrograding
Perfect	V-ing perfect
I oughtn't to have retrograded you oughtn't to have retrograded she oughtn't to have retrograded we oughtn't to have retrograded you oughtn't to have retrograded they oughtn't to have retrograded	I oughtn't to have been retrograding you oughtn't to have been retrograding she oughtn't to have been retrograding we oughtn't to have been retrograding you oughtn't to have been retrograding they oughtn't to have been retrograding

Interrogative form

Simple form	V-ing form
ought to I retrograde? ought to you retrograde? ought to she retrograde? ought to we retrograde? ought to you retrograde? ought to they retrograde?	ought to I be retrograding? ought to you be retrograding? ought to she be retrograding? ought to we be retrograding? ought to you be retrograding? ought to they be retrograding?
Perfect	V-ing perfect
ought to I have retrograded? ought to you have retrograded? ought to she have retrograded? ought to we have retrograded? ought to you have retrograded? ought to they have retrograded?	ought to I have been retrograding? ought to you have been retrograding? ought to she have been retrograding? ought to we have been retrograding? ought to you have been retrograding? ought to they have been retrograding?

Interro-negative form

Simple form	V-ing form
oughtn't I to retrograde? oughtn't you to retrograde? oughtn't she to retrograde? oughtn't we to retrograde? oughtn't you to retrograde? oughtn't they to retrograde?	oughtn't I to be retrograding? oughtn't you to be retrograding? oughtn't she to be retrograding? oughtn't we to be retrograding? oughtn't you to be retrograding? oughtn't they to be retrograding?
Perfect	V-ing perfect
oughtn't I to have retrograded? oughtn't you to have retrograded? oughtn't she to have retrograded? oughtn't we to have retrograded? oughtn't you to have retrograded? oughtn't they to have retrograded?	oughtn't I to have been retrograding? oughtn't you to have been retrograding? oughtn't she to have been retrograding? oughtn't we to have been retrograding? oughtn't you to have been retrograding? oughtn't they to have been retrograding?