English verb conjugation
SHOULD SNAFU

Regular verb: snafu - snafued - snafued

Affirmation

Simple form	V-ing form
I'd snafu you'd snafu he'd snafu we'd snafu you'd snafu they'd snafu	I'd be snafuing you'd be snafuing he'd be snafuing we'd be snafuing you'd be snafuing they'd be snafuing
Perfect	V-ing perfect
I should've snafued you should've snafued he should've snafued we should've snafued you should've snafued they should've snafued	I should've been snafuing you should've been snafuing he should've been snafuing we should've been snafuing you should've been snafuing they should've been snafuing

Negation

Simple form	V-ing form
I shouldn't snafu you shouldn't snafu he shouldn't snafu we shouldn't snafu you shouldn't snafu they shouldn't snafu	I shouldn't be snafuing you shouldn't be snafuing he shouldn't be snafuing we shouldn't be snafuing you shouldn't be snafuing they shouldn't be snafuing
Perfect	V-ing perfect
I shouldn't have snafued you shouldn't have snafued he shouldn't have snafued we shouldn't have snafued you shouldn't have snafued they shouldn't have snafued	I shouldn't have been snafuing you shouldn't have been snafuing he shouldn't have been snafuing we shouldn't have been snafuing you shouldn't have been snafuing they shouldn't have been snafuing

Interrogative form

Simple form	V-ing form
should I snafu? should you snafu? should he snafu? should we snafu? should you snafu? should they snafu?	should I be snafuing? should you be snafuing? should he be snafuing? should we be snafuing? should you be snafuing? should they be snafuing?
Perfect	V-ing perfect
should I have snafued? should you have snafued? should he have snafued? should we have snafued? should you have snafued? should they have snafued?	should I have been snafuing? should you have been snafuing? should he have been snafuing? should we have been snafuing? should you have been snafuing? should they have been snafuing?

Interro-negative form

Simple form	V-ing form
shouldn't I snafu? shouldn't you snafu? shouldn't he snafu? shouldn't we snafu? shouldn't you snafu? shouldn't they snafu?	shouldn't I be snafuing? shouldn't you be snafuing? shouldn't he be snafuing? shouldn't we be snafuing? shouldn't you be snafuing? shouldn't they be snafuing?
Perfect	V-ing perfect
shouldn't I have snafued? shouldn't you have snafued? shouldn't he have snafued? shouldn't we have snafued? shouldn't you have snafued? shouldn't they have snafued?	shouldn't I have been snafuing? shouldn't you have been snafuing? shouldn't he have been snafuing? shouldn't we have been snafuing? shouldn't you have been snafuing? shouldn't they have been snafuing?