'Perhaps' in the Bible

And Sarai said to Abram, "Look, please, Yahweh has prevented me from bearing children. Please go in to my servant; perhaps {I will have children by her}." And Abram listened to the voice of Sarai.

If perhaps there are fifty righteous in the midst of the city, will you also sweep [them] away and not forgive the place on account of the fifty righteous in her midst?

Perhaps the fifty righteous are lacking five--will you destroy the whole city on account of the five?" And he answered, "I will not destroy [it] if I find forty-five there."

And the servant said to him, "Perhaps the woman will not be willing {to follow} me to this land--must I then return your son to the land from whence you came?"

And I said to my master, 'Perhaps the woman will not {follow} me.'

Perhaps my father will feel me and I will be in his eyes [as] a mocker, and he will bring upon me a curse and not a blessing."

And moreover, you shall say, 'Look, your servant Jacob [is] behind us.'" For he thought, "{Let me appease him} with the gift going before me, and afterward I will see his face. Perhaps he will {show me favor}."

And take double [the] money in your hands. Take back the money that was returned in the mouth of your sacks. Perhaps it [was] a mistake.