Present Perfect (since and for)

The present perfect connects the past to the present. Use it to talk about actions or states that began in the past and continue into the present.

Use for to talk about a period of time.

    - He has worked here for ten years. 

         

    - I’ve studied English for two years.

Use since to indicate duration from a specific point in time.

I have lived here since 1997                        They have studied since 1985.

Present Perfect
I / You We / They	Have	Lived here Used it. studied	since	Last year. 1985.
He / She	Has		for	5 years. A long time.

     Since- For

How long have they lived here?

They have lived here since 1985

They have lived here for twenty years.

How long has she studied there?

She has studied there since 2002.

She has studied there for three years.

-Escribe dos oraciones acerca de tu vida en presente perfecto utilizando las preposiciones since y for.