Possibly, you've had not much exposure to French though you have been living there for the past 3 years.
I lived in Belgium a long time ago, but you're right. Except for the bars and grocery stores, we rarely tried to speak French and almost everyone spoke perfect English so it wasn't really necessary.
I belong to Pakistan where Urdu
Who do the Urdu? (heh)
According to the Wikipedia entry for Urdu,"There are between 60 and 70 million native speakers of Urdu. A knowledge of Urdu allows one to speak with far more people than that, as Hindi-Urdu is the fourth most commonly spoken language in the world, after Mandarin, English, and Spanish.
There are millions of Pakistanis whose mother tongue is not Urdu, but since they have studied in Urdu medium schools, they can read and write Urdu along with their native language.
It is used in education, literature, office and court business."
یہ بہت مشکل ہو جائے اردو میں تعلیمی مصنف ہونے ضروری ہے