'Surely' in the Bible

Therefore this is what the Lord says: ‘You [Ahaziah] will not leave the bed on which you lie, but you will certainly die.’” So Elijah departed.

They replied, “A man came up to meet us and said to us, ‘Go, return to the king who sent you and tell him, “Thus says the Lord: ‘Is it because there is no God in Israel that you send to inquire of Baal-zebub, the god of Ekron? Therefore you will not leave the bed on which you lie, but you will certainly die.’”’”

Then Elijah said to Ahaziah, “Thus says the Lord: ‘Since you have sent messengers to inquire of Baal-zebub, god of Ekron—is it because there is no God in Israel to inquire of His word?—therefore you will not leave the bed on which you lie, but will certainly die.’”

Elisha said, “As the Lord of hosts (armies) lives, before whom I stand, were it not that I have regard for Jehoshaphat king of Judah, I would not look at you nor see you [king of Israel].

And they said, “This is blood! Clearly the kings have fought together, and have killed one another. Now then, Moab, to the spoil [and the plunder of the dead soldiers]!”

But Naaman was furious and went away and said, “Indeed! I thought ‘He would at least come out to [see] me and stand and call on the name of the Lord his God, and wave his hand over the place [of leprosy] and heal the leper.’

Then Hazael departed from Elisha and came to his master, who said to him, “What did Elisha say to you?” And he answered, “He told me you would certainly recover.”

‘I certainly saw the blood of Naboth and the blood of his sons yesterday,’ says the Lord, ‘and I will repay you on this property,’ says the Lord. Now then, pick him up and throw him into the property [of Naboth], in accordance with the word of the Lord.”

nor let Hezekiah make you trust in and rely on the Lord, saying, “The Lord will certainly rescue us, and this city [of Jerusalem] will not be given into the hand of the king of Assyria.”

Indeed, such a Passover as this had not been held since the days of the judges who judged Israel, nor in all the days of the kings of Israel and the kings of Judah.

Surely this came on Judah at the command of the Lord, to remove them from His sight because of the sins of [King] Manasseh, in accordance with everything that he had done,