Sentences to be polite.

When somebody is kind enough to spend their time correcting your entry/exercise/work, I think that saying please and thank you, show that you have good manners. Therefore, I want a sentence to say '' thanks for helping me'' and My question is, What is the best way to do it? OR What is the best way to word it?
Also, when I correct an exercise/entry/text in Spanish , I like say that I hope that my correction could help them politely. Which of the sentences written below are a good way to express this?
In both case, I will write some sentences as an example:
- Thanks for your help
- Thank for helping me.
- Its very kind of you to give your time to help me. Thank you for giving your time to help me.
- Thank you so much for everything.
- Thank you for everything!
- Thank you for all your help. 
- Many thanks for you help.
- I am very grateful to you for your help.

- I hope that it will help you.
- I hope that this can help you.
- I hope my answer can  help you.

All of the above are fine. Try using a different one each time so that you get used to them all.

- Thanks for your help. 

- Thanks for helping me.
- You're very kind for using your time on to help me.
- Thank you so much for everything.
- Thank you for everything!
- Thank you for all.
- Many thanks for your help.
- I am very grateful to you for your emendation.
- I hope that it will help you.
- I hope that this can help you.
- I wish my for an answer, can you help?