How to use would like in my sentences

Sometimes I need to use would like in my sentences, to show some suggestion or asking for something. I really do not how to use it correctly here.

For example, I would like to ask someone whether he/she would like to explain to me something which will help me to understand them. I would like to say this in a more respectable way.

For example,

If you would like to explain to me what parts that need to be revised it would be very helpful.

Do I use would like correctly in my sentences.?