'Let Us' in the Bible

I told them of the good hand of my God that was upon me and surely the words of the king that were spoken to me. And they said, "Let us arise and build!" And they strengthened their hands for [this] good work.

Then I answered and said to them, "The God of the heavens himself will let us succeed, and we his servants shall arise and build. But for you there is no share, right, or memorial in Jerusalem."

Sanballat and Geshem sent to me, saying, "Come and let us meet together in [one of] the villages in the plain of Ono." But they planned to do evil to me.

Now I went into the house of Shemaiah son of Delaiah, son of Mehetabel, who was confined [at home], and he said, "Let us meet in the house of God, inside the temple, and let us close the doors of the temple; for they are coming to kill you--during the night they are coming to kill you."