For a long time

[CBISH]

Hello,
I was wondering whether the phrase منذ طويل is correct in standard Arabic if, for example, you used it to convey the English, 'I have been here for a long time' - أنا هنا منذ طويل

Many thanks!

 

[AndyRoo]

I think you need to say something like: منذ فترة طويلة