Duolingo? Wanted to try it. It allowed doing one section… after that: "Sign up […]" → Goodbye, Duolingo.
Therefore: No idea if playful programs like this are effective in practice.
In my opinion learning a language requires actively talking with native speakers and reading books and watching movies in the language you are learning.
Leider ¹gibt¹ ²eine einfache Faustregel² wenig ³Sicherheit³. → Unfortunately an easy rule of the thumb gives little security.
¹Prädikat¹, ²Subjekt², ³Objekt³ (nebst einigen anderen – aber meine Grammatik ist eingerostet, also belasse ich es dabei) → Predicate, subject, object (along with some others – but my grammar is rusty, so I’ll leave it at that)
Watching Movies is a very good Help to learn the Language.Maybe try real GERMAN Movies not Austrian Movies like
"Muttertag" or "Hinterholzacht"...Hahahaha......