ERRORES FRECUENTES – USAR SINCE Y AGO JUNTO EN VEZ DE FOR

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Un error frecuente y común es usar since y ago juntos para la expresión “desde hace” en vez de for.

Aquí os dejamos dos ejemplos:

Llevo esperando desde hace una hora.
Incorrecto: I have been waiting since an hour ago.
Correcto: I have been waiting for an hour.

Trabaja aquí desde hace mucho.
Incorrecto: She has been working here since long time ago.
Correcto: She has been working here for a long time.

Recuerda que usamos since para hablar de un instante temporal, mientras que for se usa para hablar de un periodo temporal, ambos con el presente perfecto. Sin embargo, ago se usa para referirse a un intervalo temporal con el pasado simple.

Compara las frases:

I have lived here since 2003.” I have lived here for 12 years.” “I moved here 12 years ago.”
“I have known him since August.” “I have known him for 8 months.” “I met him 8 months ago.”
“I have been studying English since I was five.” “I have been studying English for a long time.” “I started studying English a long time ago.”

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