English verb conjugation
COULD BACKTRACK

Regular verb: backtrack - backtracked - backtracked

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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