English verb conjugation
SHOULD FESTOON

Regular verb: festoon - festooned - festooned

Affirmation

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

Negation

Simple form	V-ing form
I shouldn't festoon you shouldn't festoon he shouldn't festoon we shouldn't festoon you shouldn't festoon they shouldn't festoon	I shouldn't be festooning you shouldn't be festooning he shouldn't be festooning we shouldn't be festooning you shouldn't be festooning they shouldn't be festooning
Perfect	V-ing perfect
I shouldn't have festooned you shouldn't have festooned he shouldn't have festooned we shouldn't have festooned you shouldn't have festooned they shouldn't have festooned	I shouldn't have been festooning you shouldn't have been festooning he shouldn't have been festooning we shouldn't have been festooning you shouldn't have been festooning they shouldn't 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
shouldn't I festoon? shouldn't you festoon? shouldn't he festoon? shouldn't we festoon? shouldn't you festoon? shouldn't they festoon?	shouldn't I be festooning? shouldn't you be festooning? shouldn't he be festooning? shouldn't we be festooning? shouldn't you be festooning? shouldn't they be festooning?
Perfect	V-ing perfect
shouldn't I have festooned? shouldn't you have festooned? shouldn't he have festooned? shouldn't we have festooned? shouldn't you have festooned? shouldn't they have festooned?	shouldn't I have been festooning? shouldn't you have been festooning? shouldn't he have been festooning? shouldn't we have been festooning? shouldn't you have been festooning? shouldn't they have been festooning?