I'd be switchbacking you'd be switchbacking he'd be switchbacking we'd be switchbacking you'd be switchbacking they'd be switchbacking
Perfect
I should've switchbacked you should've switchbacked he should've switchbacked we should've switchbacked you should've switchbacked they should've switchbacked
V-ing perfect
I should've been switchbacking you should've been switchbacking he should've been switchbacking we should've been switchbacking you should've been switchbacking they should've been switchbacking
Negation
Simple form
I shouldn't switchback you shouldn't switchback he shouldn't switchback we shouldn't switchback you shouldn't switchback they shouldn't switchback
V-ing form
I shouldn't be switchbacking you shouldn't be switchbacking he shouldn't be switchbacking we shouldn't be switchbacking you shouldn't be switchbacking they shouldn't be switchbacking
Perfect
I shouldn't have switchbacked you shouldn't have switchbacked he shouldn't have switchbacked we shouldn't have switchbacked you shouldn't have switchbacked they shouldn't have switchbacked
V-ing perfect
I shouldn't have been switchbacking you shouldn't have been switchbacking he 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
should I switchback? should you switchback? should he switchback? should we switchback? should you switchback? should they switchback?
V-ing form
should I be switchbacking? should you be switchbacking? should he be switchbacking? should we be switchbacking? should you be switchbacking? should they be switchbacking?
Perfect
should I have switchbacked? should you have switchbacked? should he have switchbacked? should we have switchbacked? should you have switchbacked? should they have switchbacked?
V-ing perfect
should I have been switchbacking? should you have been switchbacking? should he have been switchbacking? should we have been switchbacking? should you have been switchbacking? should they have been switchbacking?
Interro-negative form
Simple form
shouldn't I switchback? shouldn't you switchback? shouldn't he switchback? shouldn't we switchback? shouldn't you switchback? shouldn't they switchback?
V-ing form
shouldn't I be switchbacking? shouldn't you be switchbacking? shouldn't he be switchbacking? shouldn't we be switchbacking? shouldn't you be switchbacking? shouldn't they be switchbacking?
Perfect
shouldn't I have switchbacked? shouldn't you have switchbacked? shouldn't he have switchbacked? shouldn't we have switchbacked? shouldn't you have switchbacked? shouldn't they have switchbacked?
V-ing perfect
shouldn't I have been switchbacking? shouldn't you have been switchbacking? shouldn't he have been switchbacking? shouldn't we have been switchbacking? shouldn't you have been switchbacking? shouldn't they have been switchbacking?