did eat. were eating. All that happened before and at this third supper is not given in Mark.
eat. All the texts omit this word.
is. represents. Figure of speech Metaphor. See App-6.
Related Commentaries of Mark 14:22
Mark 14:22
22 And as they did eat, Jesus took bread, and blessed, and brake it, and gave to them, and said,Take, eat: this is my body.