Use the present perfect (have/has + past participle) + for/since to talk about something that started in the past and continues up to the present.

Use for with a period of time (five years/ ten months).

He's (has) worked at Avco for (two days/ three weeks/ ages).

Use since with a point in time (September/ 2005).

I've worked here since (my birthday/ Friday/ I was sixteen)

I have worked here for twenty years. I have worked here since 2011.

He has worked in New York for a long time. He has worked in New York since April.

We have taught at this school for two years. We have taught at this school since 1991.

	Creado por baum.marsha hace más de 8 años

Talking about a job, using for/since