when we have to use since &for
with perfect continuous tenses :)
To use since/ for
I have been study English since 2010 (Since - To specify the year, month, day, hour ...)
I have been study English for 3 years ( For - To specify how long you are doing this)
I hope you understand
you can refer to the post below:
Anyone interested in an English conversation. Send mail to email@example.com
¿cómo usar las redes sociales a manera de estrategia educativa para enseñar inglés?
England are ahead vs England is ahead
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