'Shall' in the Bible

A bundle of myrrh is my beloved unto me; He shall pass the night between my breasts.

I said, I will go up to the palm-tree, I will take hold of the boughs thereof; And thy breasts shall indeed be like clusters of the vine, And the fragrance of thy nose like apples,

We have a little sister, And she hath no breasts: What shall we do for our sister In the day when she shall be spoken for? --