estaban bautizando
-they/you were baptizing
Imperfect progressive ellos/ellas/ustedes conjugation of bautizar.

bautizar

Mirando hacia atrás, estoy seguro de que mi amigo no tenía mejor idea que yo de por qué lo estaban bautizando.
Looking back, I'm quite sure my friend had no more idea of why he was getting baptized than I did.
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candy cane