English verb conjugation
SHOULD FESTOON

Regular verb: festoon - festooned - festooned

Affirmation

Simple form	V-ing form
I should festoon you should festoon he should festoon we should festoon you should festoon they should festoon	I should be festooning you should be festooning he should be festooning we should be festooning you should be festooning they should be festooning
Perfect	V-ing perfect
I should have festooned you should have festooned he should have festooned we should have festooned you should have festooned they should have festooned	I should have been festooning you should have been festooning he should have been festooning we should have been festooning you should have been festooning they should have been festooning

Negation

Simple form	V-ing form
I should not festoon you should not festoon he should not festoon we should not festoon you should not festoon they should not festoon	I should not be festooning you should not be festooning he should not be festooning we should not be festooning you should not be festooning they should not be festooning
Perfect	V-ing perfect
I should not have festooned you should not have festooned he should not have festooned we should not have festooned you should not have festooned they should not have festooned	I should not have been festooning you should not have been festooning he should not have been festooning we should not have been festooning you should not have been festooning they should not have been festooning

Interrogative form

Simple form	V-ing form
should I festoon? should you festoon? should he festoon? should we festoon? should you festoon? should they festoon?	should I be festooning? should you be festooning? should he be festooning? should we be festooning? should you be festooning? should they be festooning?
Perfect	V-ing perfect
should I have festooned? should you have festooned? should he have festooned? should we have festooned? should you have festooned? should they have festooned?	should I have been festooning? should you have been festooning? should he have been festooning? should we have been festooning? should you have been festooning? should they have been festooning?

Interro-negative form

Simple form	V-ing form
should I not festoon? should you not festoon? should he not festoon? should we not festoon? should you not festoon? should they not festoon?	should I not be festooning? should you not be festooning? should he not be festooning? should we not be festooning? should you not be festooning? should they not be festooning?
Perfect	V-ing perfect
should I not have festooned? should you not have festooned? should he not have festooned? should we not have festooned? should you not have festooned? should they not have festooned?	should I not have been festooning? should you not have been festooning? should he not have been festooning? should we not have been festooning? should you not have been festooning? should they not have been festooning?