Present Perfect afirmativo, negativo y preguntas. For vs since, already/yet/just. Experiencias de vida.
El Present Perfect conecta el pasado con el presente. Se usa para experiencias, logros y acciones recientes.
| Sujeto | Estructura | Ejemplo | Contracción |
|---|---|---|---|
| I / You / We / They | have + past participle | I have visited Paris. | I've visited Paris. |
| He / She / It | has + past participle | She has finished. | She's finished. |
For + período de tiempo (for 3 years, for a long time). Since + punto en el tiempo (since 2020, since Monday).
Already (ya) → afirmativa, antes del participio. Yet (aún/todavía) → negativa y preguntas, al final. Just (acabar de) → afirmativa, antes del participio.
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