English verb conjugation
OUGHT TO FORK

Regular verb: fork - forked - forked

Affirmation

Simple form	V-ing form
I ought to fork you ought to fork she ought to fork we ought to fork you ought to fork they ought to fork	I ought to be forking you ought to be forking she ought to be forking we ought to be forking you ought to be forking they ought to be forking
Perfect	V-ing perfect
I ought to have forked you ought to have forked she ought to have forked we ought to have forked you ought to have forked they ought to have forked	I ought to have been forking you ought to have been forking she ought to have been forking we ought to have been forking you ought to have been forking they ought to have been forking

Negation

Simple form	V-ing form
I oughtn't to fork you oughtn't to fork she oughtn't to fork we oughtn't to fork you oughtn't to fork they oughtn't to fork	I oughtn't to be forking you oughtn't to be forking she oughtn't to be forking we oughtn't to be forking you oughtn't to be forking they oughtn't to be forking
Perfect	V-ing perfect
I oughtn't to have forked you oughtn't to have forked she oughtn't to have forked we oughtn't to have forked you oughtn't to have forked they oughtn't to have forked	I oughtn't to have been forking you oughtn't to have been forking she oughtn't to have been forking we oughtn't to have been forking you oughtn't to have been forking they oughtn't to have been forking

Interrogative form

Simple form	V-ing form
ought to I fork? ought to you fork? ought to she fork? ought to we fork? ought to you fork? ought to they fork?	ought to I be forking? ought to you be forking? ought to she be forking? ought to we be forking? ought to you be forking? ought to they be forking?
Perfect	V-ing perfect
ought to I have forked? ought to you have forked? ought to she have forked? ought to we have forked? ought to you have forked? ought to they have forked?	ought to I have been forking? ought to you have been forking? ought to she have been forking? ought to we have been forking? ought to you have been forking? ought to they have been forking?

Interro-negative form

Simple form	V-ing form
oughtn't I to fork? oughtn't you to fork? oughtn't she to fork? oughtn't we to fork? oughtn't you to fork? oughtn't they to fork?	oughtn't I to be forking? oughtn't you to be forking? oughtn't she to be forking? oughtn't we to be forking? oughtn't you to be forking? oughtn't they to be forking?
Perfect	V-ing perfect
oughtn't I to have forked? oughtn't you to have forked? oughtn't she to have forked? oughtn't we to have forked? oughtn't you to have forked? oughtn't they to have forked?	oughtn't I to have been forking? oughtn't you to have been forking? oughtn't she to have been forking? oughtn't we to have been forking? oughtn't you to have been forking? oughtn't they to have been forking?