Thomas Coke Commentary on the Holy Bible - Matthew 26:26
Matthew 26:26. And as they were eating, Jesus took bread— After they had done eating, &c. Our Lord instituted the holy communion after the paschal feast. See Luk 22:20 and 1 Corinthians 11:25. This passage might otherwise be rendered, as they were yet eating. The loaves of the Jews were round, flat, thin, and consequently very easy to break. The Jews, as appears from the Talmudists and Philo, never ate bread or received wine, without having first returned their thanks and praises to God... read more
Coffman Commentaries on the Bible - Matthew 26:27
And he took a cup and gave thanks, and gave to them, saying, Drink ye all of it.Drink ye all means that all of them were to drink of it, not that all of the cup was to be drunk. That "all" are to partake is a mandate for the whole church in all ages, refuting the notion that some, the priests for example, may drink of the cup and that the laity may not. Communion "under one kind" is impossible. The same Lord who said of the bread, "Take and eat," said also of the cup, "Drink ye all"! read more