en_tn_condensed/act/19/03.md

General Information:

The word "They" refers to the disciples (Acts 19:1). The word "you" is plural.

Into what then were you baptized?

This can be stated in active form. Alternate translation: "What kind of baptism did you receive?" (See: rc://en/ta/man/translate/figs-activepassive)

Into John's baptism

You can translate this as a complete sentence. Alternate translation: "We were baptized into John's baptism" or "We received the kind of baptism about which John taught" (See: rc://en/ta/man/translate/figs-ellipsis)