English verb conjugation
OUGHT TO LACK

Regular verb: lack - lacked - lacked

Affirmation

Simple form	V-ing form
I ought to lack you ought to lack he ought to lack we ought to lack you ought to lack they ought to lack	I ought to be lacking you ought to be lacking he ought to be lacking we ought to be lacking you ought to be lacking they ought to be lacking
Perfect	V-ing perfect
I ought to have lacked you ought to have lacked he ought to have lacked we ought to have lacked you ought to have lacked they ought to have lacked	I ought to have been lacking you ought to have been lacking he ought to have been lacking we ought to have been lacking you ought to have been lacking they ought to have been lacking

Negation

Simple form	V-ing form
I ought not to lack you ought not to lack he ought not to lack we ought not to lack you ought not to lack they ought not to lack	I ought not to lacking you ought not to lacking he ought not to lacking we ought not to lacking you ought not to lacking they ought not to lacking
Perfect	V-ing perfect
I ought not to have lacked you ought not to have lacked he ought not to have lacked we ought not to have lacked you ought not to have lacked they ought not to have lacked	I ought not to have been lacking you ought not to have been lacking he ought not to have been lacking we ought not to have been lacking you ought not to have been lacking they ought not to have been lacking

Interrogative form

Simple form	V-ing form
ought to I lack? ought to you lack? ought to he lack? ought to we lack? ought to you lack? ought to they lack?	ought to I be lacking? ought to you be lacking? ought to he be lacking? ought to we be lacking? ought to you be lacking? ought to they be lacking?
Perfect	V-ing perfect
ought to I have lacked? ought to you have lacked? ought to he have lacked? ought to we have lacked? ought to you have lacked? ought to they have lacked?	ought to I have been lacking? ought to you have been lacking? ought to he have been lacking? ought to we have been lacking? ought to you have been lacking? ought to they have been lacking?

Interro-negative form

Simple form	V-ing form
ought I not to lack? ought you not to lack? ought he not to lack? ought we not to lack? ought you not to lack? ought they not to lack?	ought I not to be lacking? ought you not to be lacking? ought he not to be lacking? ought we not to be lacking? ought you not to be lacking? ought they not to be lacking?
Perfect	V-ing perfect
ought I not to have lacked? ought you not to have lacked? ought he not to have lacked? ought we not to have lacked? ought you not to have lacked? ought they not to have lacked?	ought I not to have been lacking? ought you not to have been lacking? ought he not to have been lacking? ought we not to have been lacking? ought you not to have been lacking? ought they not to have been lacking?