Genesis 3:22הֵן
Then the LORD God said, “Behold, the man has become like one of Us, knowing good and evil. And now, lest he reach out his hand and take also from the tree of life, and eat, and live forever...”
2 Chronicles 7:13הֵן
If I close the sky so there is no rain, or if I command the locust to devour the land, or if I send a plague among My people,
Job 2:6הִנּוֹ
“Very well,” said the LORD to Satan. “He is in your hands, but you must spare his life.”
Isaiah 6:8הִנְנִי
Then I heard the voice of the Lord saying: “Whom shall I send? Who will go for Us?” And I said: “Here am I. Send me!”
Jeremiah 1:15הִנְנִי
For I am about to summon all the clans and kingdoms of the north,” declares the LORD. “Their kings will come and set up their thrones at the entrance of the gates of Jerusalem. They will attack all her surrounding walls and all the other cities of Judah.
Ezekiel 4:16הִנְנִי
Then He told me, “Son of man, I am going to cut off the supply of food in Jerusalem. They will anxiously eat bread rationed by weight, and in despair they will drink water by measure.

Brown-Driver-Briggs

הֵן 100 demonstr.adv. or interj. lo!, behold (on etym. v. הִנֵּה), less widely used than הִנֵּה, and in prose mostly confined to calling attention to some fact upon which action is to be taken, or a conclusion based

Sources: Brown-Driver-Briggs (1906, public domain) from the Open Scriptures Hebrew Lexicon (CC BY 4.0), glosses from STEPBible TBESH (CC BY 4.0); STEPBible TAHOT (Hebrew Bible, Leningrad Codex, CC BY 4.0); the Berean Standard Bible (public domain). Reformatted by Word Study, wording unchanged. All sources and licenses.