Could (do), Could have (done)

Ejemplo

Ingles:

"When you go to New York you could stay with Linda"

Español:

"Cuando vayas a New York te podrías quedar con Linda"

Ejemplo

Ingles:

There could be another rise in the price of gasoline soon.

Español:

Podría haber otra subida del precio de la gasolina pronto.

Ejemplo

Ingles:

We didn't go out last night. We could have gone to the cinema but we decided to stay home.

Español:

No salimos anoche. Podríamos haber salido pero decidimos quedarnos en casa.

4)

En ingles también se utiliza could have (done) para decir que algo pudo haber sucedido pero no sucedió.

Ejemplo

Ingles:

He was lucky when he fell off the ladder. He could have hurt himself.

Español:

Tuvo suerte cuando se cayó de la escalera. Se pudo haber hecho daño.

Fórmula

Could (do)

Afirmativa

sujeto + could + verbo (infinitivo)

We could go to the cinema this afternoon.

Interrogativa

Could + sujeto + verbo (infinitivo) ?

Could we go to the cinema this afternoon?

Interrogativa Negativa

Could + sujeto + not + verbo (infinitivo) ?

Could we not go to the cinema this afternoon?

Fórmula

Could have (done)

Afirmativa

sujeto + could have+ verbo (participio)

We could have gone to the cinema this afternoon.

Negativa

sujeto + could not have+ verbo (participio)

We could not have gone to the cinema this afternoon

Interrogativa

Could + sujeto + have + verbo (participio) ?

Could we have gone to the cinema this afternoon?

Interrogativa Negativa

Could + sujeto + not + have + verbo (participio) ?

Could we not have gone to the cinema this afternoon?

Recuerda:

En ingles could tiene dos significados, uno es el pasado de can tiene un sentido de habilidad y could (do) tiene un sentido de posibilidad.