English verb conjugation
OUGHT TO GRIND

Irregular verb: grind - ground - ground

Affirmation

Simple form	V-ing form
I ought to grind you ought to grind she ought to grind we ought to grind you ought to grind they ought to grind	I ought to be grinding you ought to be grinding she ought to be grinding we ought to be grinding you ought to be grinding they ought to be grinding
Perfect	V-ing perfect
I ought to have ground you ought to have ground she ought to have ground we ought to have ground you ought to have ground they ought to have ground	I ought to have been grinding you ought to have been grinding she ought to have been grinding we ought to have been grinding you ought to have been grinding they ought to have been grinding

Negation

Simple form	V-ing form
I ought not to grind you ought not to grind she ought not to grind we ought not to grind you ought not to grind they ought not to grind	I ought not to grinding you ought not to grinding she ought not to grinding we ought not to grinding you ought not to grinding they ought not to grinding
Perfect	V-ing perfect
I ought not to have ground you ought not to have ground she ought not to have ground we ought not to have ground you ought not to have ground they ought not to have ground	I ought not to have been grinding you ought not to have been grinding she ought not to have been grinding we ought not to have been grinding you ought not to have been grinding they ought not to have been grinding

Interrogative form

Simple form	V-ing form
ought to I grind? ought to you grind? ought to she grind? ought to we grind? ought to you grind? ought to they grind?	ought to I be grinding? ought to you be grinding? ought to she be grinding? ought to we be grinding? ought to you be grinding? ought to they be grinding?
Perfect	V-ing perfect
ought to I have ground? ought to you have ground? ought to she have ground? ought to we have ground? ought to you have ground? ought to they have ground?	ought to I have been grinding? ought to you have been grinding? ought to she have been grinding? ought to we have been grinding? ought to you have been grinding? ought to they have been grinding?

Interro-negative form

Simple form	V-ing form
ought I not to grind? ought you not to grind? ought she not to grind? ought we not to grind? ought you not to grind? ought they not to grind?	ought I not to be grinding? ought you not to be grinding? ought she not to be grinding? ought we not to be grinding? ought you not to be grinding? ought they not to be grinding?
Perfect	V-ing perfect
ought I not to have ground? ought you not to have ground? ought she not to have ground? ought we not to have ground? ought you not to have ground? ought they not to have ground?	ought I not to have been grinding? ought you not to have been grinding? ought she not to have been grinding? ought we not to have been grinding? ought you not to have been grinding? ought they not to have been grinding?