Conjugación del verbo inglés COULD USE

Verbo regular: use - used - used

Afirmación

Forma simple

I could use
you could use
he could use
we could use
you could use
they could use

Forma con V-ing

I could be using
you could be using
he could be using
we could be using
you could be using
they could be using

Perfecto

I could have used
you could have used
he could have used
we could have used
you could have used
they could have used

Perfecto con V-ing

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

Negación

Forma simple

I could not use
you could not use
he could not use
we could not use
you could not use
they could not use

Forma con V-ing

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

Perfecto

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

Perfecto con V-ing

I could not have been using
you could not have been using
he could not have been using
we could not have been using
you could not have been using
they could not have been using

Forma interrogativa

Forma simple

could I use?
could you use?
could he use?
could we use?
could you use?
could they use?

Forma con V-ing

could I be using?
could you be using?
could he be using?
could we be using?
could you be using?
could they be using?

Perfecto

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

Perfecto con V-ing

could I have been using?
could you have been using?
could he have been using?
could we have been using?
could you have been using?
could they have been using?

Forma interro-negativa

Forma simple

could I not use?
could you not use?
could he not use?
could we not use?
could you not use?
could they not use?

Forma con V-ing

could I not be using?
could you not be using?
could he not be using?
could we not be using?
could you not be using?
could they not be using?

Perfecto

could I not have used?
could you not have used?
could he not have used?
could we not have used?
could you not have used?
could they not have used?

Perfecto con V-ing

could I not have been using?
could you not have been using?
could he not have been using?
could we not have been using?
could you not have been using?
could they not have been using?

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