Conjugação do verbo inglês COULD CONTRIBUTE

Verbo regular: contribute - contributed - contributed


Afirmação

Forma simple

I could contribute
you could contribute
he could contribute
we could contribute
you could contribute
they could contribute

Forma com V-ing

I could be contributing
you could be contributing
he could be contributing
we could be contributing
you could be contributing
they could be contributing

Perfeito

I could have contributed
you could have contributed
he could have contributed
we could have contributed
you could have contributed
they could have contributed

Perfeito com V-ing

I could have been contributing
you could have been contributing
he could have been contributing
we could have been contributing
you could have been contributing
they could have been contributing

Negação

Forma simple

I could not contribute
you could not contribute
he could not contribute
we could not contribute
you could not contribute
they could not contribute

Forma com V-ing

I could not be contributing
you could not be contributing
he could not be contributing
we could not be contributing
you could not be contributing
they could not be contributing

Perfeito

I could not have contributed
you could not have contributed
he could not have contributed
we could not have contributed
you could not have contributed
they could not have contributed

Perfeito com V-ing

I could not have been contributing
you 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 com 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?

Perfeito

could I have contributed?
could you have contributed?
could he have contributed?
could we have contributed?
could you have contributed?
could they have contributed?

Perfeito com 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-Negação

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 com 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?

Perfeito

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?

Perfeito com 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?