English verb conjugation
SHOULD FROGMARCH

Regular verb: frogmarch - frogmarched - frogmarched

Affirmation

Simple form	V-ing form
I should frogmarch you should frogmarch she should frogmarch we should frogmarch you should frogmarch they should frogmarch	I should be frogmarching you should be frogmarching she 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 she 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 she 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 she 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 she 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 she 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 she 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 she frogmarch? should we frogmarch? should you frogmarch? should they frogmarch?	should I be frogmarching? should you be frogmarching? should she 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 she 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 she 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 she 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 she 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 she 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 she not have been frogmarching? should we not have been frogmarching? should you not have been frogmarching? should they not have been frogmarching?