You are ... you come

Moses speaks to the Israelites as if they were one man, so all instances of "you" are singular. (See: rc://en/ta/man/translate/figs-you)

pass over Ar

This is the name of a city in Moab. See how you translated "Ar" in Deuteronomy 2:9. (See: rc://en/ta/man/translate/translate-names)