What do you need to help with?

English as a Second Language English Vocabulary, Grammar and Idioms
1
  1. What do you need help with?
  2. What do you need to help with?
    Could you tell me what is the difference in meaning between #1 and #2?
    I was told that #2 is possible in some contexts. Could you give me the context in which #2 can be used?
    Thank you.
2

1 - the help is beng offered to the person referred to as ‘you’.
2 - the person referred to as ‘you’ is offering help to someone else.

3

Thank you for your useful help!
I think I am starting to understand it. If possible, could you tell me what are the possible answers for #2?
What do you need to help with?
Is it possible to answer the question as follows?
I need to help someone(him) with a car.

4

It’s highly unlikely as there are better ways of expressing the same idea, but imagine this conversation.

Please sit down.
I can’t, I have to leave.
Why?
I’ve offered to help do something.
What do you need to help with?
I said I’d help to fix my brother’s car.

5

Thank you for your nice example!