Hello M. Fathi! In this case none of these phrases are right. The verb "fornecer" is able to take a direct object. The verb that is followed by the prepositions "com" and "de" is the verb "prover" (that has the same meaning as "fornecer"). So to translate the idea of the English phrase "At check in desks you will be supplied with your boarding card" I suggest two possibilities: 1) Use the verb "fornecer" folowed by a direct object or 2) Use the verb "prover" followed by "com" or "do" (remember "de" + "o" = "do"). Examples: - "No balcão de check-in, lhe forneceremos o seu cartão de embarque." - "No balcão de check-in, você será provido com o seu cartão de embarque."

"você será fornecido do seu cartão de embarque" would be the nearest of a right answer. You are probably trying to translate the phrase "you will be provided with your boarding pass", Am I right? In some cases, theres a cultural question beyond the simple translation of the words.If you said for a brazilian person "Você será fornecido do seu cartão de embarque" it would be understood but as well it will sound a few weird for him. In portuguese the better way to say "you will be provided of your boarding pass" is "Lhe providenciaremos o seu cartão de embarque" that in english would be like "We'll provide you your boarding pass." Hope I did help you.. ;D

Você receberá seu cartão de embarque.

Será-lhe /será-te fornecido o seu /teu cartão de embarque.