Mukana menossa
You are following most of it, and the ones you missed were the structural ones rather than the vocabulary ones - which is the normal shape of this for anyone who learned from a book.
The fastest fix is the spoken pronouns and the verb olla: mä, sä, se, oon, oot, on. About a dozen forms, and they are in nearly every sentence you will overhear.
From Could You Follow a Finnish Coffee Break? - 6 lines of real spoken Finnish on Finnish IRL.
One word.
Every morning.
One real Finnish word every morning - what it means, what the book form is, and when Finns actually say it.