English verb conjugation
SHOULD HARSHEN

Regular verb: harshen - harshened - harshened

Affirmation

Simple form	V-ing form
I'd harshen you'd harshen he'd harshen we'd harshen you'd harshen they'd harshen	I'd be harshening you'd be harshening he'd be harshening we'd be harshening you'd be harshening they'd be harshening
Perfect	V-ing perfect
I should've harshened you should've harshened he should've harshened we should've harshened you should've harshened they should've harshened	I should've been harshening you should've been harshening he should've been harshening we should've been harshening you should've been harshening they should've been harshening

Negation

Simple form	V-ing form
I shouldn't harshen you shouldn't harshen he shouldn't harshen we shouldn't harshen you shouldn't harshen they shouldn't harshen	I shouldn't be harshening you shouldn't be harshening he shouldn't be harshening we shouldn't be harshening you shouldn't be harshening they shouldn't be harshening
Perfect	V-ing perfect
I shouldn't have harshened you shouldn't have harshened he shouldn't have harshened we shouldn't have harshened you shouldn't have harshened they shouldn't have harshened	I shouldn't have been harshening you shouldn't have been harshening he shouldn't have been harshening we shouldn't have been harshening you shouldn't have been harshening they shouldn't have been harshening

Interrogative form

Simple form	V-ing form
should I harshen? should you harshen? should he harshen? should we harshen? should you harshen? should they harshen?	should I be harshening? should you be harshening? should he be harshening? should we be harshening? should you be harshening? should they be harshening?
Perfect	V-ing perfect
should I have harshened? should you have harshened? should he have harshened? should we have harshened? should you have harshened? should they have harshened?	should I have been harshening? should you have been harshening? should he have been harshening? should we have been harshening? should you have been harshening? should they have been harshening?

Interro-negative form

Simple form	V-ing form
shouldn't I harshen? shouldn't you harshen? shouldn't he harshen? shouldn't we harshen? shouldn't you harshen? shouldn't they harshen?	shouldn't I be harshening? shouldn't you be harshening? shouldn't he be harshening? shouldn't we be harshening? shouldn't you be harshening? shouldn't they be harshening?
Perfect	V-ing perfect
shouldn't I have harshened? shouldn't you have harshened? shouldn't he have harshened? shouldn't we have harshened? shouldn't you have harshened? shouldn't they have harshened?	shouldn't I have been harshening? shouldn't you have been harshening? shouldn't he have been harshening? shouldn't we have been harshening? shouldn't you have been harshening? shouldn't they have been harshening?