English verb conjugation
OUGHT TO CREDIT

Regular verb: credit - credited - credited

Affirmation

Simple form	V-ing form
I ought to credit you ought to credit she ought to credit we ought to credit you ought to credit they ought to credit	I ought to be crediting you ought to be crediting she ought to be crediting we ought to be crediting you ought to be crediting they ought to be crediting
Perfect	V-ing perfect
I ought to have credited you ought to have credited she ought to have credited we ought to have credited you ought to have credited they ought to have credited	I ought to have been crediting you ought to have been crediting she ought to have been crediting we ought to have been crediting you ought to have been crediting they ought to have been crediting

Negation

Simple form	V-ing form
I oughtn't to credit you oughtn't to credit she oughtn't to credit we oughtn't to credit you oughtn't to credit they oughtn't to credit	I oughtn't to be crediting you oughtn't to be crediting she oughtn't to be crediting we oughtn't to be crediting you oughtn't to be crediting they oughtn't to be crediting
Perfect	V-ing perfect
I oughtn't to have credited you oughtn't to have credited she oughtn't to have credited we oughtn't to have credited you oughtn't to have credited they oughtn't to have credited	I oughtn't to have been crediting you oughtn't to have been crediting she oughtn't to have been crediting we oughtn't to have been crediting you oughtn't to have been crediting they oughtn't to have been crediting

Interrogative form

Simple form	V-ing form
ought to I credit? ought to you credit? ought to she credit? ought to we credit? ought to you credit? ought to they credit?	ought to I be crediting? ought to you be crediting? ought to she be crediting? ought to we be crediting? ought to you be crediting? ought to they be crediting?
Perfect	V-ing perfect
ought to I have credited? ought to you have credited? ought to she have credited? ought to we have credited? ought to you have credited? ought to they have credited?	ought to I have been crediting? ought to you have been crediting? ought to she have been crediting? ought to we have been crediting? ought to you have been crediting? ought to they have been crediting?

Interro-negative form

Simple form	V-ing form
oughtn't I to credit? oughtn't you to credit? oughtn't she to credit? oughtn't we to credit? oughtn't you to credit? oughtn't they to credit?	oughtn't I to be crediting? oughtn't you to be crediting? oughtn't she to be crediting? oughtn't we to be crediting? oughtn't you to be crediting? oughtn't they to be crediting?
Perfect	V-ing perfect
oughtn't I to have credited? oughtn't you to have credited? oughtn't she to have credited? oughtn't we to have credited? oughtn't you to have credited? oughtn't they to have credited?	oughtn't I to have been crediting? oughtn't you to have been crediting? oughtn't she to have been crediting? oughtn't we to have been crediting? oughtn't you to have been crediting? oughtn't they to have been crediting?