Conjugación del verbo inglés
COULD REGRESS

Verbo regular: regress - regressed - regressed

Afirmación

Forma simple	Forma con V-ing
I could regress you could regress he could regress we could regress you could regress they could regress	I could be regressing you could be regressing he could be regressing we could be regressing you could be regressing they could be regressing
Perfecto	Perfecto con V-ing
I could have regressed you could have regressed he could have regressed we could have regressed you could have regressed they could have regressed	I could have been regressing you could have been regressing he could have been regressing we could have been regressing you could have been regressing they could have been regressing

Negación

Forma simple	Forma con V-ing
I could not regress you could not regress he could not regress we could not regress you could not regress they could not regress	I could not be regressing you could not be regressing he could not be regressing we could not be regressing you could not be regressing they could not be regressing
Perfecto	Perfecto con V-ing
I could not have regressed you could not have regressed he could not have regressed we could not have regressed you could not have regressed they could not have regressed	I could not have been regressing you could not have been regressing he could not have been regressing we could not have been regressing you could not have been regressing they could not have been regressing

Forma interrogativa

Forma simple	Forma con V-ing
could I regress? could you regress? could he regress? could we regress? could you regress? could they regress?	could I be regressing? could you be regressing? could he be regressing? could we be regressing? could you be regressing? could they be regressing?
Perfecto	Perfecto con V-ing
could I have regressed? could you have regressed? could he have regressed? could we have regressed? could you have regressed? could they have regressed?	could I have been regressing? could you have been regressing? could he have been regressing? could we have been regressing? could you have been regressing? could they have been regressing?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not regress? could you not regress? could he not regress? could we not regress? could you not regress? could they not regress?	could I not be regressing? could you not be regressing? could he not be regressing? could we not be regressing? could you not be regressing? could they not be regressing?
Perfecto	Perfecto con V-ing
could I not have regressed? could you not have regressed? could he not have regressed? could we not have regressed? could you not have regressed? could they not have regressed?	could I not have been regressing? could you not have been regressing? could he not have been regressing? could we not have been regressing? could you not have been regressing? could they not have been regressing?