1C (page 133)

Atentos a las claves de estos ejercicios, que tras sesudas reflexiones hay cambios q justífico junto al ejemplo.
La gramática para este punto en el libro no es todo lo clara/completa que debiera (me lió hasta a mi!!!). Mirad el enlaze que encontraréis más abajo...
a.
1. She's lived (permanent)- She's been living(temporary: often shorter periods)
2. has phoned - 3 times (result: with numbers the pps (present perfect simple) is the only option)
3. They've been playing (all day-duration)
4. hasn't seen (yet-completion + state verb: senses)
5. I've never met (here meet is like know(state verb: brain work), I'm meeting John significa quedar, no conocer)
6. We've studied (completion)/we've been studying (duration)
7. I've been tidying (all afternoon-duration)
8. He's just left
9. have you had (state verb)
10. has broken (permanent)


b.

1. We have known (for years-since last time: it's years ago that I met him + state verb)
2. Have you been running? (duration)
3. hasn't done (completion)
4. they have moved(completion)
5. have Daisy and Adam been going out (since the beginning)
6. haven't had (completion + state verb)
7. We have been walking (for hours: since the beginning)
8. Have you been eating (duration: That's how you've spent your time)(el libro da solo esta solución pero tb podría ser present perfect simple: completion).