'Surely' in the Bible

and thou hast given the Levites to Aaron and to his sons; they are surely given to him out of the sons of Israel.

only, surely the people which is dwelling in the land is strong; and the cities are fenced, very great; and also children of Anak we have seen there.

and the ass seeth me, and turneth aside at my presence these three times; unless she had turned aside from my presence, surely now also, thee I had slain, and her kept alive.'