English verb conjugation
SHOULD MARCH

Regular verb: march - marched - marched

Affirmation

Simple form	V-ing form
I should march you should march he should march we should march you should march they should march	I should be marching you should be marching he should be marching we should be marching you should be marching they should be marching
Perfect	V-ing perfect
I should have marched you should have marched he should have marched we should have marched you should have marched they should have marched	I should have been marching you should have been marching he should have been marching we should have been marching you should have been marching they should have been marching

Negation

Simple form	V-ing form
I should not march you should not march he should not march we should not march you should not march they should not march	I should not be marching you should not be marching he should not be marching we should not be marching you should not be marching they should not be marching
Perfect	V-ing perfect
I should not have marched you should not have marched he should not have marched we should not have marched you should not have marched they should not have marched	I should not have been marching you should not have been marching he should not have been marching we should not have been marching you should not have been marching they should not have been marching

Interrogative form

Simple form	V-ing form
should I march? should you march? should he march? should we march? should you march? should they march?	should I be marching? should you be marching? should he be marching? should we be marching? should you be marching? should they be marching?
Perfect	V-ing perfect
should I have marched? should you have marched? should he have marched? should we have marched? should you have marched? should they have marched?	should I have been marching? should you have been marching? should he have been marching? should we have been marching? should you have been marching? should they have been marching?

Interro-negative form

Simple form	V-ing form
should I not march? should you not march? should he not march? should we not march? should you not march? should they not march?	should I not be marching? should you not be marching? should he not be marching? should we not be marching? should you not be marching? should they not be marching?
Perfect	V-ing perfect
should I not have marched? should you not have marched? should he not have marched? should we not have marched? should you not have marched? should they not have marched?	should I not have been marching? should you not have been marching? should he not have been marching? should we not have been marching? should you not have been marching? should they not have been marching?