Lección 26: Uso de «Since» y «For» con el Presente Perfecto

Objetivo de la Lección

Aprenderás a usar «since» y «for» con el presente perfecto para hablar de la duración de acciones o eventos que comenzaron en el pasado y continúan en el presente.

Sección 1: Diferencia entre «Since» y «For»

Sección 2: Reglas Básicas

1. Usa «Since» con un punto en el tiempo:
   • Fechas específicas: since 2015
   • Momentos del día: since this morning
   • Eventos pasados: since I was a child
2. Usa «For» con períodos de tiempo:
   • Cantidad de tiempo: for two hours
   • Días, meses, años: for three months
   • Duración general: for a long time

Sección 3: Ejemplos Prácticos

Sección 4: Actividades Prácticas

Actividad 1: Completa las Oraciones

1. She has lived here ___ 2010.
2. We have studied English ___ three months.
3. They have been married ___ 20 years.
4. He has worked in that company ___ last year.
5. I have waited for you ___ an hour.

Respuestas:

1. since
2. for
3. for
4. since
5. for

Actividad 2: Traducción

Traduce las siguientes oraciones al inglés:

1. Ellos han vivido en esta ciudad desde 1995.
2. Nosotros hemos trabajado juntos por cinco años.
3. Ella ha estado enferma desde ayer.
4. Yo he estudiado francés por seis meses.
5. Él ha tenido ese coche desde el año pasado.

Respuestas:

1. They have lived in this city since 1995.
2. We have worked together for five years.
3. She has been sick since yesterday.
4. I have studied French for six months.
5. He has had that car since last year.

Actividad 3: Corrige los Errores

1. I have known her for 2005.
2. They have lived in New York since three years.
3. She has been my teacher for last month.
4. We have waited since two hours.
5. He has played the guitar for a week ago.

Respuestas:

1. I have known her since 2005.
2. They have lived in New York for three years.
3. She has been my teacher since last month.
4. We have waited for two hours.
5. He has played the guitar for a week.

Actividad 4: Escribe Tus Propias Oraciones

Escribe 3 oraciones con since y 3 con for usando el presente perfecto.

Ejemplo:

• Since: I have been here since 8 a.m.
• For: We have waited for 30 minutes.

Sección 5: Prueba Final

1. Completa las oraciones con «since» o «for»:
   • She has been in Paris ___ last summer.
   • They have worked in this company ___ 10 years.
   • I have known him ___ we were kids.
   • He has studied medicine ___ 2015.
   • We have been friends ___ a long time.
2. Traduce al inglés:
   • He trabajado en esta empresa por cinco años.
   • Ella ha vivido en esta casa desde 2008.
   • Nosotros hemos esperado por dos horas.
   • Han sido amigos desde la infancia.

Respuestas:

1. since, for, since, since, for
2. I have worked in this company for five years, She has lived in this house since 2008, We have waited for two hours, They have been friends since childhood.