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For anyone that's reading this and looking for actual advice on learning French, here's my advice, having done something somewhat similar. I didn't know much French prior to living in Paris for 6 months (which was broken up into two 3 month periods over the course of a year) but a French friend later told me my accent was "perfect" although I used the word franchement too often, which made me sound like an old-fashioned farmer.
- Focus on memory and vocabulary. It's a lot easier to have conversations when you know what to say, even if your pronunciation isn't perfect.
- Drill the grammar for the most essential verbs (to have, to be, etc.) and skip most of the rest for now.
- Listen to native speakers and imitate them. Try to get over the feeling that you're playing a character or doing an goofy French accent impression. You will have better pronounciation if you try to do an accurate French impression.
- Try to spend some time in France or as a second choice, Québec. It's a million times better than reading a book or using some app.