Verbo regular: backtrack - backtracked - backtracked
Afirmação
Forma simple
I could backtrack you could backtrack he could backtrack we could backtrack you could backtrack they could backtrack
Forma com V-ing
I could be backtracking you could be backtracking he could be backtracking we could be backtracking you could be backtracking they could be backtracking
Perfeito
I could have backtracked you could have backtracked he could have backtracked we could have backtracked you could have backtracked they could have backtracked
Perfeito com V-ing
I could have been backtracking you could have been backtracking he could have been backtracking we could have been backtracking you could have been backtracking they could have been backtracking
Negação
Forma simple
I could not backtrack you could not backtrack he could not backtrack we could not backtrack you could not backtrack they could not backtrack
Forma com V-ing
I could not be backtracking you could not be backtracking he could not be backtracking we could not be backtracking you could not be backtracking they could not be backtracking
Perfeito
I could not have backtracked you could not have backtracked he could not have backtracked we could not have backtracked you could not have backtracked they could not have backtracked
Perfeito com V-ing
I could not have been backtracking you could not have been backtracking he could not have been backtracking we could not have been backtracking you could not have been backtracking they could not have been backtracking
Forma interrogativa
Forma simple
could I backtrack? could you backtrack? could he backtrack? could we backtrack? could you backtrack? could they backtrack?
Forma com V-ing
could I be backtracking? could you be backtracking? could he be backtracking? could we be backtracking? could you be backtracking? could they be backtracking?
Perfeito
could I have backtracked? could you have backtracked? could he have backtracked? could we have backtracked? could you have backtracked? could they have backtracked?
Perfeito com V-ing
could I have been backtracking? could you have been backtracking? could he have been backtracking? could we have been backtracking? could you have been backtracking? could they have been backtracking?
Forma interro-Negação
Forma simple
could I not backtrack? could you not backtrack? could he not backtrack? could we not backtrack? could you not backtrack? could they not backtrack?
Forma com V-ing
could I not be backtracking? could you not be backtracking? could he not be backtracking? could we not be backtracking? could you not be backtracking? could they not be backtracking?
Perfeito
could I not have backtracked? could you not have backtracked? could he not have backtracked? could we not have backtracked? could you not have backtracked? could they not have backtracked?
Perfeito com V-ing
could I not have been backtracking? could you not have been backtracking? could he not have been backtracking? could we not have been backtracking? could you not have been backtracking? could they not have been backtracking?