Isaiah 19:21

And the Lord shall be known to the Egyptians, and the Egyptians shall know the Lord in that day; and they shall offer sacrifices, and shall vow vows to the Lord, and pay [them].

And the Lord shall be known to Egypt, and the Egyptians shall know the Lord in that day, and shall do sacrifice and oblation; yea, they shall vow a vow unto the Lord, and perform it.

Yahweh will be known to Egypt, and the Egyptians will know Yahweh in that day. Yes, they will worship with sacrifice and offering, and will vow a vow to Yahweh, and will perform it.

And the Lord shall be knowen of the Egyptians, and the Egyptians shall knowe the Lord in that day, and doe sacrifice and oblation, and shall vowe vowes vnto the Lord, and performe them.