UniLang

I don't think this needs any further introduction, though an extra rule applies here; since a lot of Austronesian languages have vast differences (e.g. Malayic languages and Polynesian languages, Formosan languages and Philippine languages, etc.), it is suggested to use English translation as well (spoiler or no spoiler, it's up to you!)

Aku bakal mulai dhisikan. Kowe saiki sinau båså åpå?
I will start first. What language are you currently learning? (lit. You're now learning what language?)

Hindi ko alam. Nag-aaral ako ng maraming wika...
I don't know. I'm learning a lot of languages...

Basa ncèn ané Bli Vijay paling demen jani?
Which language(s) is/are your most favorite(s) now, Vijay? (I use "Bli Vijay" instead of the more regular word "cai/ci" to avoid impolite impression. It's usually used among close friends and/or when you're in a bad mood.)

Wala akong paboritong wika. Anong paborito mong wika?
I don't have a favorite language. What's your favorite language?

Kuring resep kana bahasa Spanyol, sanajan can bisa diajar deui ayeuna.

I'm into Spanish, even though I still have yet to learn again now.

Ang Kastila ang wikang paborito mo ba?
Is Spanish your favorite language?