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