> You can even use the chart (and maybe Wikipedia) to identify specific reasons as to why you're doing something wrong There's a book called "Learner English"

> You can even use the chart (and maybe Wikipedia) to identify specific reasons as to why you're doing something wrong There's a book called "Learner English" by Michael Swan and Bernard Smith for identifying common problems faced by English learners coming from different language backgrounds. They don't have a section on Finnish, at least in my second edition.