3 sentences, are they correct?

The faucet a leak. I put a bin under the leak and an hour later came back to see how full the bin had got?

This show shows a bad image of our countries people.

There is proportionally less sauce if you buy a large fries than a medium.
You get 2 sauces with the medium and 2 with the large when you should get more with the large.

Thank you