English verb conjugation
OUGHT TO GREET

Regular verb: greet - greeted - greeted

Affirmation

Simple form	V-ing form
I ought to greet you ought to greet she ought to greet we ought to greet you ought to greet they ought to greet	I ought to be greeting you ought to be greeting she ought to be greeting we ought to be greeting you ought to be greeting they ought to be greeting
Perfect	V-ing perfect
I ought to have greeted you ought to have greeted she ought to have greeted we ought to have greeted you ought to have greeted they ought to have greeted	I ought to have been greeting you ought to have been greeting she ought to have been greeting we ought to have been greeting you ought to have been greeting they ought to have been greeting

Negation

Simple form	V-ing form
I oughtn't to greet you oughtn't to greet she oughtn't to greet we oughtn't to greet you oughtn't to greet they oughtn't to greet	I oughtn't to be greeting you oughtn't to be greeting she oughtn't to be greeting we oughtn't to be greeting you oughtn't to be greeting they oughtn't to be greeting
Perfect	V-ing perfect
I oughtn't to have greeted you oughtn't to have greeted she oughtn't to have greeted we oughtn't to have greeted you oughtn't to have greeted they oughtn't to have greeted	I oughtn't to have been greeting you oughtn't to have been greeting she oughtn't to have been greeting we oughtn't to have been greeting you oughtn't to have been greeting they oughtn't to have been greeting

Interrogative form

Simple form	V-ing form
ought to I greet? ought to you greet? ought to she greet? ought to we greet? ought to you greet? ought to they greet?	ought to I be greeting? ought to you be greeting? ought to she be greeting? ought to we be greeting? ought to you be greeting? ought to they be greeting?
Perfect	V-ing perfect
ought to I have greeted? ought to you have greeted? ought to she have greeted? ought to we have greeted? ought to you have greeted? ought to they have greeted?	ought to I have been greeting? ought to you have been greeting? ought to she have been greeting? ought to we have been greeting? ought to you have been greeting? ought to they have been greeting?

Interro-negative form

Simple form	V-ing form
oughtn't I to greet? oughtn't you to greet? oughtn't she to greet? oughtn't we to greet? oughtn't you to greet? oughtn't they to greet?	oughtn't I to be greeting? oughtn't you to be greeting? oughtn't she to be greeting? oughtn't we to be greeting? oughtn't you to be greeting? oughtn't they to be greeting?
Perfect	V-ing perfect
oughtn't I to have greeted? oughtn't you to have greeted? oughtn't she to have greeted? oughtn't we to have greeted? oughtn't you to have greeted? oughtn't they to have greeted?	oughtn't I to have been greeting? oughtn't you to have been greeting? oughtn't she to have been greeting? oughtn't we to have been greeting? oughtn't you to have been greeting? oughtn't they to have been greeting?