When he had sat down (en tōi kataklithēnai auton). Luke’s common idiom as in Luk 24:4, Luk 24:15. Note first aorist passive infinitive (on the reclining as to him).
Gave (epedidou). Imperfect, inchoative idea, began to give to them, in contrast with the preceding aorist (punctiliar) participles.