English verb conjugation
SHOULD PREP

Regular verb: prep - preped - preped

Affirmation

Simple form	V-ing form
I'd prep you'd prep he'd prep we'd prep you'd prep they'd prep	I'd be preping you'd be preping he'd be preping we'd be preping you'd be preping they'd be preping
Perfect	V-ing perfect
I should've preped you should've preped he should've preped we should've preped you should've preped they should've preped	I should've been preping you should've been preping he should've been preping we should've been preping you should've been preping they should've been preping

Negation

Simple form	V-ing form
I shouldn't prep you shouldn't prep he shouldn't prep we shouldn't prep you shouldn't prep they shouldn't prep	I shouldn't be preping you shouldn't be preping he shouldn't be preping we shouldn't be preping you shouldn't be preping they shouldn't be preping
Perfect	V-ing perfect
I shouldn't have preped you shouldn't have preped he shouldn't have preped we shouldn't have preped you shouldn't have preped they shouldn't have preped	I shouldn't have been preping you shouldn't have been preping he shouldn't have been preping we shouldn't have been preping you shouldn't have been preping they shouldn't have been preping

Interrogative form

Simple form	V-ing form
should I prep? should you prep? should he prep? should we prep? should you prep? should they prep?	should I be preping? should you be preping? should he be preping? should we be preping? should you be preping? should they be preping?
Perfect	V-ing perfect
should I have preped? should you have preped? should he have preped? should we have preped? should you have preped? should they have preped?	should I have been preping? should you have been preping? should he have been preping? should we have been preping? should you have been preping? should they have been preping?

Interro-negative form

Simple form	V-ing form
shouldn't I prep? shouldn't you prep? shouldn't he prep? shouldn't we prep? shouldn't you prep? shouldn't they prep?	shouldn't I be preping? shouldn't you be preping? shouldn't he be preping? shouldn't we be preping? shouldn't you be preping? shouldn't they be preping?
Perfect	V-ing perfect
shouldn't I have preped? shouldn't you have preped? shouldn't he have preped? shouldn't we have preped? shouldn't you have preped? shouldn't they have preped?	shouldn't I have been preping? shouldn't you have been preping? shouldn't he have been preping? shouldn't we have been preping? shouldn't you have been preping? shouldn't they have been preping?