English verb conjugation
SHOULD BACKTRACK

Regular verb: backtrack - backtracked - backtracked

Affirmation

Simple form	V-ing form
I should backtrack you should backtrack he should backtrack we should backtrack you should backtrack they should backtrack	I should be backtracking you should be backtracking he should be backtracking we should be backtracking you should be backtracking they should be backtracking
Perfect	V-ing perfect
I should have backtracked you should have backtracked he should have backtracked we should have backtracked you should have backtracked they should have backtracked	I should have been backtracking you should have been backtracking he should have been backtracking we should have been backtracking you should have been backtracking they should have been backtracking

Negation

Simple form	V-ing form
I should not backtrack you should not backtrack he should not backtrack we should not backtrack you should not backtrack they should not backtrack	I should not be backtracking you should not be backtracking he should not be backtracking we should not be backtracking you should not be backtracking they should not be backtracking
Perfect	V-ing perfect
I should not have backtracked you should not have backtracked he should not have backtracked we should not have backtracked you should not have backtracked they should not have backtracked	I should not have been backtracking you should not have been backtracking he should not have been backtracking we should not have been backtracking you should not have been backtracking they should not have been backtracking

Interrogative form

Simple form	V-ing form
should I backtrack? should you backtrack? should he backtrack? should we backtrack? should you backtrack? should they backtrack?	should I be backtracking? should you be backtracking? should he be backtracking? should we be backtracking? should you be backtracking? should they be backtracking?
Perfect	V-ing perfect
should I have backtracked? should you have backtracked? should he have backtracked? should we have backtracked? should you have backtracked? should they have backtracked?	should I have been backtracking? should you have been backtracking? should he have been backtracking? should we have been backtracking? should you have been backtracking? should they have been backtracking?

Interro-negative form

Simple form	V-ing form
should I not backtrack? should you not backtrack? should he not backtrack? should we not backtrack? should you not backtrack? should they not backtrack?	should I not be backtracking? should you not be backtracking? should he not be backtracking? should we not be backtracking? should you not be backtracking? should they not be backtracking?
Perfect	V-ing perfect
should I not have backtracked? should you not have backtracked? should he not have backtracked? should we not have backtracked? should you not have backtracked? should they not have backtracked?	should I not have been backtracking? should you not have been backtracking? should he not have been backtracking? should we not have been backtracking? should you not have been backtracking? should they not have been backtracking?