English verb conjugation
SHOULD PRESHARPEN

Regular verb: presharpen - presharpened - presharpened

Affirmation

Simple form	V-ing form
I'd presharpen you'd presharpen she'd presharpen we'd presharpen you'd presharpen they'd presharpen	I'd be presharpening you'd be presharpening she'd be presharpening we'd be presharpening you'd be presharpening they'd be presharpening
Perfect	V-ing perfect
I should've presharpened you should've presharpened she should've presharpened we should've presharpened you should've presharpened they should've presharpened	I should've been presharpening you should've been presharpening she should've been presharpening we should've been presharpening you should've been presharpening they should've been presharpening

Negation

Simple form	V-ing form
I shouldn't presharpen you shouldn't presharpen she shouldn't presharpen we shouldn't presharpen you shouldn't presharpen they shouldn't presharpen	I shouldn't be presharpening you shouldn't be presharpening she shouldn't be presharpening we shouldn't be presharpening you shouldn't be presharpening they shouldn't be presharpening
Perfect	V-ing perfect
I shouldn't have presharpened you shouldn't have presharpened she shouldn't have presharpened we shouldn't have presharpened you shouldn't have presharpened they shouldn't have presharpened	I shouldn't have been presharpening you shouldn't have been presharpening she shouldn't have been presharpening we shouldn't have been presharpening you shouldn't have been presharpening they shouldn't have been presharpening

Interrogative form

Simple form	V-ing form
should I presharpen? should you presharpen? should she presharpen? should we presharpen? should you presharpen? should they presharpen?	should I be presharpening? should you be presharpening? should she be presharpening? should we be presharpening? should you be presharpening? should they be presharpening?
Perfect	V-ing perfect
should I have presharpened? should you have presharpened? should she have presharpened? should we have presharpened? should you have presharpened? should they have presharpened?	should I have been presharpening? should you have been presharpening? should she have been presharpening? should we have been presharpening? should you have been presharpening? should they have been presharpening?

Interro-negative form

Simple form	V-ing form
shouldn't I presharpen? shouldn't you presharpen? shouldn't she presharpen? shouldn't we presharpen? shouldn't you presharpen? shouldn't they presharpen?	shouldn't I be presharpening? shouldn't you be presharpening? shouldn't she be presharpening? shouldn't we be presharpening? shouldn't you be presharpening? shouldn't they be presharpening?
Perfect	V-ing perfect
shouldn't I have presharpened? shouldn't you have presharpened? shouldn't she have presharpened? shouldn't we have presharpened? shouldn't you have presharpened? shouldn't they have presharpened?	shouldn't I have been presharpening? shouldn't you have been presharpening? shouldn't she have been presharpening? shouldn't we have been presharpening? shouldn't you have been presharpening? shouldn't they have been presharpening?