yeh but inwroclaw don't forget that many of those people esp the younger ones might have spent at least a year or two in the UK
I always ask them if they lived in the UK. So far, the vast majority have not even been for a weekend.
where passport control have opened my UK passport and asked me a question in English, I've always replied in Polish.
Show off!
Just to give an example, my English competence has risen greatly since my activity on this forum.
As long as you're not picking up any bad habits from some of the posters on the forum, with some of the supposed English teachers making spelling errors and not knowing where apostrophes go, etc etc.