Respuestas
ᕼOᒪᗩ
Respuesta:
1. Joe has been (be) at this school for five years.
2. Where's Alison I haven't seen (not see) her since this morning.
3. Mr Wayne has known (know) his wife since they were both small children.
4. Ben hasn't seen (not see) his uncle for several years.
5. I haven't been (not be) very well since Monday.
6. My brother has had (have) his new mountain bike for two weeks.
7. They have lived (live) here since they first came to Britain.
8. The poor animal is very hungry. It hasn't had (not have) anything to eat for days.
Explicación:
PRESENT PERFECT
En Affirmative, usamos los auxiliares have y has dependa del Sujeto, más el verbo en participio pasado.
En Negative, usaremos la forma negativa de have y has (haven't / hasn't) más el verbo en participio pasado.
Since se utiliza en fecha o momento / tiempo.
For se utiliza en mes o año (duración).