English verb conjugation
SHOULD HARM

Regular verb: harm - harmed - harmed

Affirmation

Simple form	V-ing form
I'd harm you'd harm he'd harm we'd harm you'd harm they'd harm	I'd be harming you'd be harming he'd be harming we'd be harming you'd be harming they'd be harming
Perfect	V-ing perfect
I should've harmed you should've harmed he should've harmed we should've harmed you should've harmed they should've harmed	I should've been harming you should've been harming he should've been harming we should've been harming you should've been harming they should've been harming

Negation

Simple form	V-ing form
I shouldn't harm you shouldn't harm he shouldn't harm we shouldn't harm you shouldn't harm they shouldn't harm	I shouldn't be harming you shouldn't be harming he shouldn't be harming we shouldn't be harming you shouldn't be harming they shouldn't be harming
Perfect	V-ing perfect
I shouldn't have harmed you shouldn't have harmed he shouldn't have harmed we shouldn't have harmed you shouldn't have harmed they shouldn't have harmed	I shouldn't have been harming you shouldn't have been harming he shouldn't have been harming we shouldn't have been harming you shouldn't have been harming they shouldn't have been harming

Interrogative form

Simple form	V-ing form
should I harm? should you harm? should he harm? should we harm? should you harm? should they harm?	should I be harming? should you be harming? should he be harming? should we be harming? should you be harming? should they be harming?
Perfect	V-ing perfect
should I have harmed? should you have harmed? should he have harmed? should we have harmed? should you have harmed? should they have harmed?	should I have been harming? should you have been harming? should he have been harming? should we have been harming? should you have been harming? should they have been harming?

Interro-negative form

Simple form	V-ing form
shouldn't I harm? shouldn't you harm? shouldn't he harm? shouldn't we harm? shouldn't you harm? shouldn't they harm?	shouldn't I be harming? shouldn't you be harming? shouldn't he be harming? shouldn't we be harming? shouldn't you be harming? shouldn't they be harming?
Perfect	V-ing perfect
shouldn't I have harmed? shouldn't you have harmed? shouldn't he have harmed? shouldn't we have harmed? shouldn't you have harmed? shouldn't they have harmed?	shouldn't I have been harming? shouldn't you have been harming? shouldn't he have been harming? shouldn't we have been harming? shouldn't you have been harming? shouldn't they have been harming?