English verb conjugation
OUGHT TO ITCH

Regular verb: itch - itched - itched

Affirmation

Simple form	V-ing form
I ought to itch you ought to itch she ought to itch we ought to itch you ought to itch they ought to itch	I ought to be itching you ought to be itching she ought to be itching we ought to be itching you ought to be itching they ought to be itching
Perfect	V-ing perfect
I ought to have itched you ought to have itched she ought to have itched we ought to have itched you ought to have itched they ought to have itched	I ought to have been itching you ought to have been itching she 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	V-ing form
I oughtn't to itch you oughtn't to itch she oughtn't to itch we oughtn't to itch you oughtn't to itch they oughtn't to itch	I oughtn't to be itching you oughtn't to be itching she oughtn't to be itching we oughtn't to be itching you oughtn't to be itching they oughtn't to be itching
Perfect	V-ing perfect
I oughtn't to have itched you oughtn't to have itched she oughtn't to have itched we oughtn't to have itched you oughtn't to have itched they oughtn't to have itched	I oughtn't to have been itching you oughtn't to have been itching she 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	V-ing form
ought to I itch? ought to you itch? ought to she itch? ought to we itch? ought to you itch? ought to they itch?	ought to I be itching? ought to you be itching? ought to she be itching? ought to we be itching? ought to you be itching? ought to they be itching?
Perfect	V-ing perfect
ought to I have itched? ought to you have itched? ought to she have itched? ought to we have itched? ought to you have itched? ought to they have itched?	ought to I have been itching? ought to you have been itching? ought to she 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	V-ing form
oughtn't I to itch? oughtn't you to itch? oughtn't she to itch? oughtn't we to itch? oughtn't you to itch? oughtn't they to itch?	oughtn't I to be itching? oughtn't you to be itching? oughtn't she to be itching? oughtn't we to be itching? oughtn't you to be itching? oughtn't they to be itching?
Perfect	V-ing perfect
oughtn't I to have itched? oughtn't you to have itched? oughtn't she to have itched? oughtn't we to have itched? oughtn't you to have itched? oughtn't they to have itched?	oughtn't I to have been itching? oughtn't you to have been itching? oughtn't she 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?