Situación que empezó en el pasado y sigue → present perfect + for (periodo) o since (punto de partida).
Forma y duración
- I’ve lived · she’s known · we haven’t seen · Have you had…?
- for two years · for ages · since 2020 · since I was eight
- How long have you…? – For… / Since…
Just, already, yet
- just / already: entre have y participio
- yet: al final, en preguntas y negativas
Errores frecuentes
- «I live here since 2020» ✗ → I’ve lived here since 2020.
- «since three years» ✗ → for three years.
- «I have finished already my work» ✗ → I have already finished my work.