The days of the week
It’s not easy to learn the days of the week in English even for native speakers - there are songs and nursery rhymes to help children memorize them and this strategy can help adults too. Perhaps the worst problem is the similarity of the names “Tuesday” and “Thursday”, but the strange spelling of “Wednesday” is a problem too, as it’s pronounced “wensday”. And of course it’s not “venerdì” as it might sound but “mercoledì”. A song like The Cure’s “Friday I’m in Love” could be a nice substitute for the classic “days of the week” songs for kids.