'Ever' in the Bible

Did ever a people hear the voice of God speaking out of the midst of the fire, as you have heard, and live?

For Yahweh your God has chosen him out of all your tribes, to stand to minister in the name of Yahweh, him and his sons for ever.

if you keep all this commandment to do it, which I command you this day, to love Yahweh your God, and to walk ever in his ways; then you shall add three cities more for yourselves, besides these three: