Quote:
Originally Posted by irmamar
it's been a long time I don't study maths
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Quote:
Originally Posted by Perikles
it's been long time since I studied maths.
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Quote:
Originally Posted by pjt33
Entonces no sé cuál es la regla que Perikles invoca, pero tampoco sé por qué lo ha mencionado, puesto que (¡since!) la frase de Irma no contenía la palabra "since"..
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That's why I asked for help, I don't know the formal rule here. I just wanted to say that you can't say
it's been a long time since + (
a negative), such as
it's been a long time since I don't study maths 