English verb conjugation
SHOULD DRUM

Regular verb: drum - drummed - drummed

Affirmation

Simple form	V-ing form
I should drum you should drum he should drum we should drum you should drum they should drum	I should be drumming you should be drumming he should be drumming we should be drumming you should be drumming they should be drumming
Perfect	V-ing perfect
I should have drummed you should have drummed he should have drummed we should have drummed you should have drummed they should have drummed	I should have been drumming you should have been drumming he should have been drumming we should have been drumming you should have been drumming they should have been drumming

Negation

Simple form	V-ing form
I should not drum you should not drum he should not drum we should not drum you should not drum they should not drum	I should not be drumming you should not be drumming he should not be drumming we should not be drumming you should not be drumming they should not be drumming
Perfect	V-ing perfect
I should not have drummed you should not have drummed he should not have drummed we should not have drummed you should not have drummed they should not have drummed	I should not have been drumming you should not have been drumming he should not have been drumming we should not have been drumming you should not have been drumming they should not have been drumming

Interrogative form

Simple form	V-ing form
should I drum? should you drum? should he drum? should we drum? should you drum? should they drum?	should I be drumming? should you be drumming? should he be drumming? should we be drumming? should you be drumming? should they be drumming?
Perfect	V-ing perfect
should I have drummed? should you have drummed? should he have drummed? should we have drummed? should you have drummed? should they have drummed?	should I have been drumming? should you have been drumming? should he have been drumming? should we have been drumming? should you have been drumming? should they have been drumming?

Interro-negative form

Simple form	V-ing form
should I not drum? should you not drum? should he not drum? should we not drum? should you not drum? should they not drum?	should I not be drumming? should you not be drumming? should he not be drumming? should we not be drumming? should you not be drumming? should they not be drumming?
Perfect	V-ing perfect
should I not have drummed? should you not have drummed? should he not have drummed? should we not have drummed? should you not have drummed? should they not have drummed?	should I not have been drumming? should you not have been drumming? should he not have been drumming? should we not have been drumming? should you not have been drumming? should they not have been drumming?