| Tipo | Estructura | Ejemplo |
|---|
| 3 (pasado irreal) | if + past perfect, would have + participio | If I had known, I would have come. |
| mixta (pasado → presente) | if + past perfect, would + base | If I had studied, I would be a doctor now. |
| mixta (presente → pasado) | if + past simple, would have + participio | If I spoke Spanish, I would have got the job. |
Wish / if only (lamentos y deseos)
| Sentido | Estructura | Ejemplo |
|---|
| lamento sobre el presente | wish + past simple | I wish I had more time. (Ojalá tuviera…) |
| lamento sobre el pasado | wish + past perfect | I wish I had listened. (Ojalá hubiera escuchado.) |
| irritación, deseo de cambio | wish + would | I wish you would stop talking. |