Conjugación del verbo inglés COULD SUBSTITUTE
Verbo regular: substitute - substituted - substituted
Afirmación
Forma simple
I could substituteyou could substitute
he could substitute
we could substitute
you could substitute
they could substitute
Forma con V-ing
I could be substitutingyou could be substituting
he could be substituting
we could be substituting
you could be substituting
they could be substituting
Perfecto
I could have substitutedyou could have substituted
he could have substituted
we could have substituted
you could have substituted
they could have substituted
Perfecto con V-ing
I could have been substitutingyou could have been substituting
he could have been substituting
we could have been substituting
you could have been substituting
they could have been substituting
Negación
Forma simple
I couldn't substituteyou couldn't substitute
he couldn't substitute
we couldn't substitute
you couldn't substitute
they couldn't substitute
Forma con V-ing
I couldn't be substitutingyou couldn't be substituting
he couldn't be substituting
we couldn't be substituting
you couldn't be substituting
they couldn't be substituting
Perfecto
I couldn't have substitutedyou couldn't have substituted
he couldn't have substituted
we couldn't have substituted
you couldn't have substituted
they couldn't have substituted
Perfecto con V-ing
I couldn't have been substitutingyou couldn't have been substituting
he couldn't have been substituting
we couldn't have been substituting
you couldn't have been substituting
they couldn't have been substituting
Forma interrogativa
Forma simple
could I substitute?could you substitute?
could he substitute?
could we substitute?
could you substitute?
could they substitute?
Forma con V-ing
could I be substituting?could you be substituting?
could he be substituting?
could we be substituting?
could you be substituting?
could they be substituting?
Perfecto
could I have substituted?could you have substituted?
could he have substituted?
could we have substituted?
could you have substituted?
could they have substituted?
Perfecto con V-ing
could I have been substituting?could you have been substituting?
could he have been substituting?
could we have been substituting?
could you have been substituting?
could they have been substituting?
Forma interro-negativa
Forma simple
couldn't I substitute?couldn't you substitute?
couldn't he substitute?
couldn't we substitute?
couldn't you substitute?
couldn't they substitute?
Forma con V-ing
couldn't I be substituting?couldn't you be substituting?
couldn't he be substituting?
couldn't we be substituting?
couldn't you be substituting?
couldn't they be substituting?
Perfecto
couldn't I have substituted?couldn't you have substituted?
couldn't he have substituted?
couldn't we have substituted?
couldn't you have substituted?
couldn't they have substituted?
Perfecto con V-ing
couldn't I have been substituting?couldn't you have been substituting?
couldn't he have been substituting?
couldn't we have been substituting?
couldn't you have been substituting?
couldn't they have been substituting?