valencias

El uso de Since y For en inglés
For y Since son dos preposiciones que se utilizan con el presente perfecto y el presente perfecto continuo. 
I have lived here since 2006 (vivo aquí desde 2006)
Ihave lived here for 2 years. (vivo aquí desde hace 2 años)
I have been studying English for 3 months (llevo estudiando inglés 3 meses)


For significa "desde hace" o "durante" y se usa con unperíodo de tiempo, por ejemplo: ten minutes, two hours, one day, a month, a year, a long time....

I've waited for an hour / I've been waiting for an hour (he esperado durante una hora / llevo esperandouna hora)
She has lived in Alicante for a long time (ella vive en alicante desde hace mucho)
We've worked in the same company for two years (trabajamos en la misma empresa desde hace dos años)Since significa "desde" o "desde que" y se usa para señalar un momento concreto en el tiempo, por ejemplo:  10 o’clock, Tuesday, 2nd January, August, 200, we arrived, I was ten years old.... 

Ihaven't eaten anything since 10 o'clock (no he comido nada desde las 10)
We haven't seen each other since 2001 (no nos hemos visto desde 2001)
I've lived in Spain since I was ten years old (vivo enEspaña desde que tenía 10 años)

EJERCICIO
Completa las frases con since o for y después haz clic aquí para ver las respuetas.

1. I have been working here ..................2 years.
2. He has livedin that flat…………………December 2007.
3. I’ve had this jacket………………………4 months.
4. They have been on holiday…………..1 month.
5. I have been married…………………10 days.
Simple Present Perfect

What have youdone? ¿Qué has hecho?



subject + have / has + 3
1
2
3

go
went
gone



Affirmative
Negative
Interrogative
I have gone
I haven't gone
Have I gone ?
You have gone
You haven'tgone
Have you gone ?
He has gone
He hasn't gone
Has he gone ?
She has gone
She hasn't gone
Has she gone ?
It has gone
It hasn't gone
Has it gone ?
We have gone
We haven't gone
Have we...