'Shalt' in the Bible

And Ruth the Moabitess said, He said to me also, Thou shalt keep with my young men until they have ended all my harvest.

And it shall be, when he lies down, that thou shalt mark the place where he shall have lain down, and thou shalt go in, and uncover his feet, and lay thyself down; and he will shew thee what thou shalt do.