English verb conjugation
SHOULD CALCULATE

Regular verb: calculate - calculated - calculated

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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