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Bilingual Learning of 3rd language

As a native English speaker and fluent in Spanish (majored and used to lived in Spain, just working through the course now to refresh some vocab) I am seeing an opportunity to learn a 3rd language by using the two parent languages. I am currently working on French, which I started in English, although it more closely resembles Spanish. After starting the Catalan course in Spanish, I think it would be highly beneficial to interact the 3 languages (EN, ES, FR) while learning the 3rd.

I think this would easily be done by allowing to change the language of the course by taking the sets completed in one language (EN) and applying them to the sets of the other language (ES) to in the course that is being completed (FR).

September 11, 2017



That's legit brilliant. So basically all the questions will be toward your third language but they could come in the form of either of two languages. Or even a wider net than that. This could change everything! I need it to happen.


If they allowed that, Doulingo would become Triolingo.


I am doing English from Spanish following the reverse tree technique and I have to tell you it is difficult.


You could also do the French for Spanish speakers course. The Catalan course uses Castillian Spanish (not surprisingly) so that will be a bit easier for you than for those who know Latin American Spanish.


Some of the hints are in European Spanish only, but answers are accepted much more flexibly, up to accepting vos conjugations throughout.


The point is not for him to review a second language while he obtains the third, in which case one could just do as you say, like I started the German tree in French mode to learn German and review French simultaneously. No, the object here is two look at a language from two different language-perspectives in order to gain a better understanding of the target language. What we do right now is like shooting an arrow with one eye open, we have no depth perception, because we only go from lang 1 to lang 2 and back again, there are subtleties lost on us. If we can open that second language-eye, we'll immediately understand what we are learning on a deeper level. Not to mention any training that incorporates more than two languages would be an absolute godsend for polyglots.


What do you suggest exactly? How would you train all three languages at the same time? How is the "second language eye" opened?

As we know that the OP is bilingual in both English and Spanish, I didn't suggest the French for Spanish speakers course as a method to review Spanish. Also, Duolingo is a beginners course, so it's not surprising at all that some subtleties are lost in translation.

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