'There's' in the Bible

Or how can you say to your brother, ‘Let me take the speck out of your eye,’ and look, there’s a log in your eye?

Wherever there's a corpse, there the vultures will gather.

But there's only one thing you need. Mary has chosen what is better, and it is not to be taken away from her."

Then Jesus told the crowds, "When you see a cloud coming in from the west, you immediately say, "There's going to be a storm,' and that's what happens.

“‘Master,’ the slave said, ‘what you ordered has been done, and there’s still room.’

Then they asked him, "Where, Lord, will this take place?" He told them, "Wherever there's a corpse, there the vultures will gather."

“There’s a boy here who has five barley loaves and two fish—but what are they for so many?”

The one who speaks on his own seeks his own praise. But the one who seeks the praise of him who sent him is genuine, and there's nothing false in him.

As they were traveling down the road, they came to some water. The eunuch said, “Look, there’s water! What would keep me from being baptized?”

Since they stayed there many days, Festus presented Paul’s case to the king, saying, “There’s a man who was left as a prisoner by Felix.

In the same way, lifeless instruments like the flute or harp produce sounds. But if there's no difference in the notes, how can a person tell what tune is being played?