English verb conjugation
SHOULD HARK

Regular verb: hark - harked - harked

Affirmation

Simple form	V-ing form
I'd hark you'd hark he'd hark we'd hark you'd hark they'd hark	I'd be harking you'd be harking he'd be harking we'd be harking you'd be harking they'd be harking
Perfect	V-ing perfect
I should've harked you should've harked he should've harked we should've harked you should've harked they should've harked	I should've been harking you should've been harking he should've been harking we should've been harking you should've been harking they should've been harking

Negation

Simple form	V-ing form
I shouldn't hark you shouldn't hark he shouldn't hark we shouldn't hark you shouldn't hark they shouldn't hark	I shouldn't be harking you shouldn't be harking he shouldn't be harking we shouldn't be harking you shouldn't be harking they shouldn't be harking
Perfect	V-ing perfect
I shouldn't have harked you shouldn't have harked he shouldn't have harked we shouldn't have harked you shouldn't have harked they shouldn't have harked	I shouldn't have been harking you shouldn't have been harking he shouldn't have been harking we shouldn't have been harking you shouldn't have been harking they shouldn't have been harking

Interrogative form

Simple form	V-ing form
should I hark? should you hark? should he hark? should we hark? should you hark? should they hark?	should I be harking? should you be harking? should he be harking? should we be harking? should you be harking? should they be harking?
Perfect	V-ing perfect
should I have harked? should you have harked? should he have harked? should we have harked? should you have harked? should they have harked?	should I have been harking? should you have been harking? should he have been harking? should we have been harking? should you have been harking? should they have been harking?

Interro-negative form

Simple form	V-ing form
shouldn't I hark? shouldn't you hark? shouldn't he hark? shouldn't we hark? shouldn't you hark? shouldn't they hark?	shouldn't I be harking? shouldn't you be harking? shouldn't he be harking? shouldn't we be harking? shouldn't you be harking? shouldn't they be harking?
Perfect	V-ing perfect
shouldn't I have harked? shouldn't you have harked? shouldn't he have harked? shouldn't we have harked? shouldn't you have harked? shouldn't they have harked?	shouldn't I have been harking? shouldn't you have been harking? shouldn't he have been harking? shouldn't we have been harking? shouldn't you have been harking? shouldn't they have been harking?