English writing club

I only speak German and English as foreign languages, I can read French but I can't really communicate in it, I don't really know the grammar and I have used it so little that I have all German words that come up when I try to speak it. Sometimes immigrants who can't speak Italian ask me about train directions in French and I start speaking this weird language where I decline German words as if it were French. What's weirder is that they actually understand what I say