English verb conjugation
SHOULD FROGMARCH

Regular verb: frogmarch - frogmarched - frogmarched

Affirmation

Simple form	V-ing form
I should frogmarch you should frogmarch he should frogmarch we should frogmarch you should frogmarch they should frogmarch	I should be frogmarching you should be frogmarching he should be frogmarching we should be frogmarching you should be frogmarching they should be frogmarching
Perfect	V-ing perfect
I should have frogmarched you should have frogmarched he should have frogmarched we should have frogmarched you should have frogmarched they should have frogmarched	I should have been frogmarching you should have been frogmarching he should have been frogmarching we should have been frogmarching you should have been frogmarching they should have been frogmarching

Negation

Simple form	V-ing form
I should not frogmarch you should not frogmarch he should not frogmarch we should not frogmarch you should not frogmarch they should not frogmarch	I should not be frogmarching you should not be frogmarching he should not be frogmarching we should not be frogmarching you should not be frogmarching they should not be frogmarching
Perfect	V-ing perfect
I should not have frogmarched you should not have frogmarched he should not have frogmarched we should not have frogmarched you should not have frogmarched they should not have frogmarched	I should not have been frogmarching you should not have been frogmarching he should not have been frogmarching we should not have been frogmarching you should not have been frogmarching they should not have been frogmarching

Interrogative form

Simple form	V-ing form
should I frogmarch? should you frogmarch? should he frogmarch? should we frogmarch? should you frogmarch? should they frogmarch?	should I be frogmarching? should you be frogmarching? should he be frogmarching? should we be frogmarching? should you be frogmarching? should they be frogmarching?
Perfect	V-ing perfect
should I have frogmarched? should you have frogmarched? should he have frogmarched? should we have frogmarched? should you have frogmarched? should they have frogmarched?	should I have been frogmarching? should you have been frogmarching? should he have been frogmarching? should we have been frogmarching? should you have been frogmarching? should they have been frogmarching?

Interro-negative form

Simple form	V-ing form
should I not frogmarch? should you not frogmarch? should he not frogmarch? should we not frogmarch? should you not frogmarch? should they not frogmarch?	should I not be frogmarching? should you not be frogmarching? should he not be frogmarching? should we not be frogmarching? should you not be frogmarching? should they not be frogmarching?
Perfect	V-ing perfect
should I not have frogmarched? should you not have frogmarched? should he not have frogmarched? should we not have frogmarched? should you not have frogmarched? should they not have frogmarched?	should I not have been frogmarching? should you not have been frogmarching? should he not have been frogmarching? should we not have been frogmarching? should you not have been frogmarching? should they not have been frogmarching?