I ought to learn you ought to learn he ought to learn we ought to learn you ought to learn they ought to learn
V-ing form
I ought to be learning you ought to be learning he ought to be learning we ought to be learning you ought to be learning they ought to be learning
Perfect
I ought to have learned, learnt you ought to have learned, learnt he ought to have learned, learnt we ought to have learned, learnt you ought to have learned, learnt they ought to have learned, learnt
V-ing perfect
I ought to have been learning you ought to have been learning he ought to have been learning we ought to have been learning you ought to have been learning they ought to have been learning
Negation
Simple form
I oughtn't to learn you oughtn't to learn he oughtn't to learn we oughtn't to learn you oughtn't to learn they oughtn't to learn
V-ing form
I oughtn't to be learning you oughtn't to be learning he oughtn't to be learning we oughtn't to be learning you oughtn't to be learning they oughtn't to be learning
Perfect
I oughtn't to have learned, learnt you oughtn't to have learned, learnt he oughtn't to have learned, learnt we oughtn't to have learned, learnt you oughtn't to have learned, learnt they oughtn't to have learned, learnt
V-ing perfect
I oughtn't to have been learning you oughtn't to have been learning he oughtn't to have been learning we oughtn't to have been learning you oughtn't to have been learning they oughtn't to have been learning
Interrogative form
Simple form
ought to I learn? ought to you learn? ought to he learn? ought to we learn? ought to you learn? ought to they learn?
V-ing form
ought to I be learning? ought to you be learning? ought to he be learning? ought to we be learning? ought to you be learning? ought to they be learning?
Perfect
ought to I have learned, learnt? ought to you have learned, learnt? ought to he have learned, learnt? ought to we have learned, learnt? ought to you have learned, learnt? ought to they have learned, learnt?
V-ing perfect
ought to I have been learning? ought to you have been learning? ought to he have been learning? ought to we have been learning? ought to you have been learning? ought to they have been learning?
Interro-negative form
Simple form
oughtn't I to learn? oughtn't you to learn? oughtn't he to learn? oughtn't we to learn? oughtn't you to learn? oughtn't they to learn?
V-ing form
oughtn't I to be learning? oughtn't you to be learning? oughtn't he to be learning? oughtn't we to be learning? oughtn't you to be learning? oughtn't they to be learning?
Perfect
oughtn't I to have learned, learnt? oughtn't you to have learned, learnt? oughtn't he to have learned, learnt? oughtn't we to have learned, learnt? oughtn't you to have learned, learnt? oughtn't they to have learned, learnt?
V-ing perfect
oughtn't I to have been learning? oughtn't you to have been learning? oughtn't he to have been learning? oughtn't we to have been learning? oughtn't you to have been learning? oughtn't they to have been learning?