you will offer ... you finish ... offer ... offer

All instances of "you" and the commands refer to Ezekiel and so are singular. See how you translated this in Ezekiel 43:19. (See: rc://en/ta/man/translate/figs-pronouns and rc://en/ta/man/translate/figs-you)

Offer them before Yahweh

The altar on which they will sacrifice the bull and ram is in front of the temple, where the presence of Yahweh dwells.