English verb conjugation
SHOULD DIFFERENTIATE

Regular verb: differentiate - differentiated - differentiated

Affirmation

Simple form	V-ing form
I'd differentiate you'd differentiate he'd differentiate we'd differentiate you'd differentiate they'd differentiate	I'd be differentiating you'd be differentiating he'd be differentiating we'd be differentiating you'd be differentiating they'd be differentiating
Perfect	V-ing perfect
I should've differentiated you should've differentiated he should've differentiated we should've differentiated you should've differentiated they should've differentiated	I should've been differentiating you should've been differentiating he should've been differentiating we should've been differentiating you should've been differentiating they should've been differentiating

Negation

Simple form	V-ing form
I shouldn't differentiate you shouldn't differentiate he shouldn't differentiate we shouldn't differentiate you shouldn't differentiate they shouldn't differentiate	I shouldn't be differentiating you shouldn't be differentiating he shouldn't be differentiating we shouldn't be differentiating you shouldn't be differentiating they shouldn't be differentiating
Perfect	V-ing perfect
I shouldn't have differentiated you shouldn't have differentiated he shouldn't have differentiated we shouldn't have differentiated you shouldn't have differentiated they shouldn't have differentiated	I shouldn't have been differentiating you shouldn't have been differentiating he shouldn't have been differentiating we shouldn't have been differentiating you shouldn't have been differentiating they shouldn't have been differentiating

Interrogative form

Simple form	V-ing form
should I differentiate? should you differentiate? should he differentiate? should we differentiate? should you differentiate? should they differentiate?	should I be differentiating? should you be differentiating? should he be differentiating? should we be differentiating? should you be differentiating? should they be differentiating?
Perfect	V-ing perfect
should I have differentiated? should you have differentiated? should he have differentiated? should we have differentiated? should you have differentiated? should they have differentiated?	should I have been differentiating? should you have been differentiating? should he have been differentiating? should we have been differentiating? should you have been differentiating? should they have been differentiating?

Interro-negative form

Simple form	V-ing form
shouldn't I differentiate? shouldn't you differentiate? shouldn't he differentiate? shouldn't we differentiate? shouldn't you differentiate? shouldn't they differentiate?	shouldn't I be differentiating? shouldn't you be differentiating? shouldn't he be differentiating? shouldn't we be differentiating? shouldn't you be differentiating? shouldn't they be differentiating?
Perfect	V-ing perfect
shouldn't I have differentiated? shouldn't you have differentiated? shouldn't he have differentiated? shouldn't we have differentiated? shouldn't you have differentiated? shouldn't they have differentiated?	shouldn't I have been differentiating? shouldn't you have been differentiating? shouldn't he have been differentiating? shouldn't we have been differentiating? shouldn't you have been differentiating? shouldn't they have been differentiating?