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 he 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 he 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 he 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 he 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 ought not to fork you ought not to fork he ought not to fork we ought not to fork you ought not to fork they ought not to fork	I ought not to forking you ought not to forking he ought not to forking we ought not to forking you ought not to forking they ought not to forking
Perfect	V-ing perfect
I ought not to have forked you ought not to have forked he ought not to have forked we ought not to have forked you ought not to have forked they ought not to have forked	I ought not to have been forking you ought not to have been forking he ought not to have been forking we ought not to have been forking you ought not to have been forking they ought not to have been forking

Interrogative form

Simple form	V-ing form
ought to I fork? ought to you fork? ought to he 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 he 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 he 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 he 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
ought I not to fork? ought you not to fork? ought he not to fork? ought we not to fork? ought you not to fork? ought they not to fork?	ought I not to be forking? ought you not to be forking? ought he not to be forking? ought we not to be forking? ought you not to be forking? ought they not to be forking?
Perfect	V-ing perfect
ought I not to have forked? ought you not to have forked? ought he not to have forked? ought we not to have forked? ought you not to have forked? ought they not to have forked?	ought I not to have been forking? ought you not to have been forking? ought he not to have been forking? ought we not to have been forking? ought you not to have been forking? ought they not to have been forking?