Chciałbym wam obojgu podziękować.(Sentence Note & Question)

  • oboje (collective number) obojga = both

Can anyone please advise me … obojgu … is it the Dative form of oboje? Thanks!

Yes, exactly! The extra “g” is added in all cases except for the nominative and the accusative (so: “obojga”, “obojgiem”, “obojgu”).

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