Genesis 4:8

4:8 Cain said to his brother Abel, “Let’s go out to the field.” While they were in the field, Cain attacked his brother Abel and killed him.

Genesis 11:3

11:3 Then they said to one another, “Come, let’s make bricks and bake them thoroughly.” (They had brick instead of stone and tar instead of mortar.)

Genesis 11:7

11:7 Come, let’s go down and confuse their language so they won’t be able to understand each other.”

Genesis 19:32

19:32 Come, let’s make our father drunk with wine so we can have sexual relations with him and preserve our family line through our father.”

Genesis 31:44

31:44 So now, come, let’s make a formal agreement, you and I, and it will be proof that we have made peace.”