is/ are . Please help

  1. Wine is/ are made from/ of grapes.

  2. There is/ are something in my mind, but I could not get over it.

  3. There is/ are some terrible things that I have faced in my life. But at the moment I find no way to deal with it.

Wine is made from grapes.
There is something on my mind, but I cannot draw it out.
I have faced some terrible problems in my life, but at the moment I have no way of dealing with things.

many thanks, one more please help me.

  1. They certainly need help from rich/ the rich people.

Both are possible. It depends on whether you are speaking about rich people in general (no ‘the’) or a particular group of rich people (e.g. the rich people of a particular country or town).