English verb conjugation
SHOULD SWITCHBACK

Regular verb: switchback - switchbacked - switchbacked

Affirmation

Simple form	V-ing form
I'd switchback you'd switchback she'd switchback we'd switchback you'd switchback they'd switchback	I'd be switchbacking you'd be switchbacking she'd be switchbacking we'd be switchbacking you'd be switchbacking they'd be switchbacking
Perfect	V-ing perfect
I should've switchbacked you should've switchbacked she should've switchbacked we should've switchbacked you should've switchbacked they should've switchbacked	I should've been switchbacking you should've been switchbacking she should've been switchbacking we should've been switchbacking you should've been switchbacking they should've been switchbacking

Negation

Simple form	V-ing form
I shouldn't switchback you shouldn't switchback she shouldn't switchback we shouldn't switchback you shouldn't switchback they shouldn't switchback	I shouldn't be switchbacking you shouldn't be switchbacking she shouldn't be switchbacking we shouldn't be switchbacking you shouldn't be switchbacking they shouldn't be switchbacking
Perfect	V-ing perfect
I shouldn't have switchbacked you shouldn't have switchbacked she shouldn't have switchbacked we shouldn't have switchbacked you shouldn't have switchbacked they shouldn't have switchbacked	I shouldn't have been switchbacking you shouldn't have been switchbacking she shouldn't have been switchbacking we shouldn't have been switchbacking you shouldn't have been switchbacking they shouldn't have been switchbacking

Interrogative form

Simple form	V-ing form
should I switchback? should you switchback? should she switchback? should we switchback? should you switchback? should they switchback?	should I be switchbacking? should you be switchbacking? should she be switchbacking? should we be switchbacking? should you be switchbacking? should they be switchbacking?
Perfect	V-ing perfect
should I have switchbacked? should you have switchbacked? should she have switchbacked? should we have switchbacked? should you have switchbacked? should they have switchbacked?	should I have been switchbacking? should you have been switchbacking? should she have been switchbacking? should we have been switchbacking? should you have been switchbacking? should they have been switchbacking?

Interro-negative form

Simple form	V-ing form
shouldn't I switchback? shouldn't you switchback? shouldn't she switchback? shouldn't we switchback? shouldn't you switchback? shouldn't they switchback?	shouldn't I be switchbacking? shouldn't you be switchbacking? shouldn't she be switchbacking? shouldn't we be switchbacking? shouldn't you be switchbacking? shouldn't they be switchbacking?
Perfect	V-ing perfect
shouldn't I have switchbacked? shouldn't you have switchbacked? shouldn't she have switchbacked? shouldn't we have switchbacked? shouldn't you have switchbacked? shouldn't they have switchbacked?	shouldn't I have been switchbacking? shouldn't you have been switchbacking? shouldn't she have been switchbacking? shouldn't we have been switchbacking? shouldn't you have been switchbacking? shouldn't they have been switchbacking?