I ought to itch you ought to itch he ought to itch we ought to itch you ought to itch they ought to itch
V-ing form
I ought to be itching you ought to be itching he ought to be itching we ought to be itching you ought to be itching they ought to be itching
Perfect
I ought to have itched you ought to have itched he ought to have itched we ought to have itched you ought to have itched they ought to have itched
V-ing perfect
I ought to have been itching you ought to have been itching he ought to have been itching we ought to have been itching you ought to have been itching they ought to have been itching
Negation
Simple form
I oughtn't to itch you oughtn't to itch he oughtn't to itch we oughtn't to itch you oughtn't to itch they oughtn't to itch
V-ing form
I oughtn't to be itching you oughtn't to be itching he oughtn't to be itching we oughtn't to be itching you oughtn't to be itching they oughtn't to be itching
Perfect
I oughtn't to have itched you oughtn't to have itched he oughtn't to have itched we oughtn't to have itched you oughtn't to have itched they oughtn't to have itched
V-ing perfect
I oughtn't to have been itching you oughtn't to have been itching he oughtn't to have been itching we oughtn't to have been itching you oughtn't to have been itching they oughtn't to have been itching
Interrogative form
Simple form
ought to I itch? ought to you itch? ought to he itch? ought to we itch? ought to you itch? ought to they itch?
V-ing form
ought to I be itching? ought to you be itching? ought to he be itching? ought to we be itching? ought to you be itching? ought to they be itching?
Perfect
ought to I have itched? ought to you have itched? ought to he have itched? ought to we have itched? ought to you have itched? ought to they have itched?
V-ing perfect
ought to I have been itching? ought to you have been itching? ought to he have been itching? ought to we have been itching? ought to you have been itching? ought to they have been itching?
Interro-negative form
Simple form
oughtn't I to itch? oughtn't you to itch? oughtn't he to itch? oughtn't we to itch? oughtn't you to itch? oughtn't they to itch?
V-ing form
oughtn't I to be itching? oughtn't you to be itching? oughtn't he to be itching? oughtn't we to be itching? oughtn't you to be itching? oughtn't they to be itching?
Perfect
oughtn't I to have itched? oughtn't you to have itched? oughtn't he to have itched? oughtn't we to have itched? oughtn't you to have itched? oughtn't they to have itched?
V-ing perfect
oughtn't I to have been itching? oughtn't you to have been itching? oughtn't he to have been itching? oughtn't we to have been itching? oughtn't you to have been itching? oughtn't they to have been itching?