English verb conjugation
SHOULD HARP

Regular verb: harp - harped - harped

Affirmation

Simple form	V-ing form
I'd harp you'd harp he'd harp we'd harp you'd harp they'd harp	I'd be harping you'd be harping he'd be harping we'd be harping you'd be harping they'd be harping
Perfect	V-ing perfect
I should've harped you should've harped he should've harped we should've harped you should've harped they should've harped	I should've been harping you should've been harping he should've been harping we should've been harping you should've been harping they should've been harping

Negation

Simple form	V-ing form
I shouldn't harp you shouldn't harp he shouldn't harp we shouldn't harp you shouldn't harp they shouldn't harp	I shouldn't be harping you shouldn't be harping he shouldn't be harping we shouldn't be harping you shouldn't be harping they shouldn't be harping
Perfect	V-ing perfect
I shouldn't have harped you shouldn't have harped he shouldn't have harped we shouldn't have harped you shouldn't have harped they shouldn't have harped	I shouldn't have been harping you shouldn't have been harping he shouldn't have been harping we shouldn't have been harping you shouldn't have been harping they shouldn't have been harping

Interrogative form

Simple form	V-ing form
should I harp? should you harp? should he harp? should we harp? should you harp? should they harp?	should I be harping? should you be harping? should he be harping? should we be harping? should you be harping? should they be harping?
Perfect	V-ing perfect
should I have harped? should you have harped? should he have harped? should we have harped? should you have harped? should they have harped?	should I have been harping? should you have been harping? should he have been harping? should we have been harping? should you have been harping? should they have been harping?

Interro-negative form

Simple form	V-ing form
shouldn't I harp? shouldn't you harp? shouldn't he harp? shouldn't we harp? shouldn't you harp? shouldn't they harp?	shouldn't I be harping? shouldn't you be harping? shouldn't he be harping? shouldn't we be harping? shouldn't you be harping? shouldn't they be harping?
Perfect	V-ing perfect
shouldn't I have harped? shouldn't you have harped? shouldn't he have harped? shouldn't we have harped? shouldn't you have harped? shouldn't they have harped?	shouldn't I have been harping? shouldn't you have been harping? shouldn't he have been harping? shouldn't we have been harping? shouldn't you have been harping? shouldn't they have been harping?