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:
Who would want to be friend with me ? we can practice speaking in english :D
Is a shelter more than just a roof over your head?
about my favorite
How to find a Pen/Chat Friend in Germany?
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