'Surely' in the Bible

And Joab said, As God liveth, if thou hadst not spoken, surely then in the morning the people had gone away, nor followed every one his brother.

And David said unto him, Fear not; for I will surely show thee kindness for Jonathan thy father's sake, and will restore thee all the land of Saul thy father; and thou shalt eat bread at my table continually.

Howbeit, because by this deed thou hast given great occasion to the enemies of Jehovah to blaspheme, the child also that is born unto thee shall surely die.

And Ittai answered the king, and said, As Jehovah liveth, and as my lord the king liveth, surely in what place my lord the king shall be, whether for death or for life, even there also will thy servant be.

And David sent forth the people, a third part under the hand of Joab, and a third part under the hand of Abishai the son of Zeruiah, Joab's brother, and a third part under the hand of Ittai the Gittite. And the king said unto the people, I will surely go forth with you myself also.

Then she spake, saying, They were wont to speak in old time, saying, They shall surely ask counsel at Abel: and so they ended the matter .