That really depends on the neighbourhood. Some typically french lower class neighbourhoods have xenophobic francophones, but in the last 15 years they have mov

That really depends on the neighbourhood. Some typically french lower class neighbourhoods have xenophobic francophones, but in the last 15 years they have moved off the main island or in the far east boroughs (Riviere des Prairies, etc.). If you're on the actual island of Montreal, it's unlikely you'll face any problems for not speaking French. I've known dozens of people immigrate here speaking only one language and adapt fine.