An adaptation of the Catechism for Young Children in modern English.
Question: What did these sacrifices represent?
Answer: Christ as the Lamb of God, who would die for sinners.
Question: What did these sacrifices represent?
Answer: Christ, the Lamb of God, who was to die for sinners.
We include the “as” to highlight the representation pointing at Christ’s role specifically. Additinally, “was to” is a little awkward, so we change it to simply “would”.