English verb conjugation
OUGHT TO CALCULATE

Regular verb: calculate - calculated - calculated

Affirmation

Simple form	V-ing form
I ought to calculate you ought to calculate she ought to calculate we ought to calculate you ought to calculate they ought to calculate	I ought to be calculating you ought to be calculating she ought to be calculating we ought to be calculating you ought to be calculating they ought to be calculating
Perfect	V-ing perfect
I ought to have calculated you ought to have calculated she ought to have calculated we ought to have calculated you ought to have calculated they ought to have calculated	I ought to have been calculating you ought to have been calculating she ought to have been calculating we ought to have been calculating you ought to have been calculating they ought to have been calculating

Negation

Simple form	V-ing form
I ought not to calculate you ought not to calculate she ought not to calculate we ought not to calculate you ought not to calculate they ought not to calculate	I ought not to calculating you ought not to calculating she ought not to calculating we ought not to calculating you ought not to calculating they ought not to calculating
Perfect	V-ing perfect
I ought not to have calculated you ought not to have calculated she ought not to have calculated we ought not to have calculated you ought not to have calculated they ought not to have calculated	I ought not to have been calculating you ought not to have been calculating she ought not to have been calculating we ought not to have been calculating you ought not to have been calculating they ought not to have been calculating

Interrogative form

Simple form	V-ing form
ought to I calculate? ought to you calculate? ought to she calculate? ought to we calculate? ought to you calculate? ought to they calculate?	ought to I be calculating? ought to you be calculating? ought to she be calculating? ought to we be calculating? ought to you be calculating? ought to they be calculating?
Perfect	V-ing perfect
ought to I have calculated? ought to you have calculated? ought to she have calculated? ought to we have calculated? ought to you have calculated? ought to they have calculated?	ought to I have been calculating? ought to you have been calculating? ought to she have been calculating? ought to we have been calculating? ought to you have been calculating? ought to they have been calculating?

Interro-negative form

Simple form	V-ing form
ought I not to calculate? ought you not to calculate? ought she not to calculate? ought we not to calculate? ought you not to calculate? ought they not to calculate?	ought I not to be calculating? ought you not to be calculating? ought she not to be calculating? ought we not to be calculating? ought you not to be calculating? ought they not to be calculating?
Perfect	V-ing perfect
ought I not to have calculated? ought you not to have calculated? ought she not to have calculated? ought we not to have calculated? ought you not to have calculated? ought they not to have calculated?	ought I not to have been calculating? ought you not to have been calculating? ought she not to have been calculating? ought we not to have been calculating? ought you not to have been calculating? ought they not to have been calculating?