Conjugación del verbo inglés COULD CONTRIBUTE
Verbo regular: contribute - contributed - contributed
Afirmación
Forma simple
I could contributeyou could contribute
he could contribute
we could contribute
you could contribute
they could contribute
Forma con V-ing
I could be contributingyou could be contributing
he could be contributing
we could be contributing
you could be contributing
they could be contributing
Perfecto
I could have contributedyou could have contributed
he could have contributed
we could have contributed
you could have contributed
they could have contributed
Perfecto con V-ing
I could have been contributingyou could have been contributing
he could have been contributing
we could have been contributing
you could have been contributing
they could have been contributing
Negación
Forma simple
I could not contributeyou could not contribute
he could not contribute
we could not contribute
you could not contribute
they could not contribute
Forma con V-ing
I could not be contributingyou could not be contributing
he could not be contributing
we could not be contributing
you could not be contributing
they could not be contributing
Perfecto
I could not have contributedyou could not have contributed
he could not have contributed
we could not have contributed
you could not have contributed
they could not have contributed
Perfecto con V-ing
I could not have been contributingyou could not have been contributing
he could not have been contributing
we could not have been contributing
you could not have been contributing
they could not have been contributing
Forma interrogativa
Forma simple
could I contribute?could you contribute?
could he contribute?
could we contribute?
could you contribute?
could they contribute?
Forma con V-ing
could I be contributing?could you be contributing?
could he be contributing?
could we be contributing?
could you be contributing?
could they be contributing?
Perfecto
could I have contributed?could you have contributed?
could he have contributed?
could we have contributed?
could you have contributed?
could they have contributed?
Perfecto con V-ing
could I have been contributing?could you have been contributing?
could he have been contributing?
could we have been contributing?
could you have been contributing?
could they have been contributing?
Forma interro-negativa
Forma simple
could I not contribute?could you not contribute?
could he not contribute?
could we not contribute?
could you not contribute?
could they not contribute?
Forma con V-ing
could I not be contributing?could you not be contributing?
could he not be contributing?
could we not be contributing?
could you not be contributing?
could they not be contributing?
Perfecto
could I not have contributed?could you not have contributed?
could he not have contributed?
could we not have contributed?
could you not have contributed?
could they not have contributed?
Perfecto con V-ing
could I not have been contributing?could you not have been contributing?
could he not have been contributing?
could we not have been contributing?
could you not have been contributing?
could they not have been contributing?