In Engpsh, you can say "Thank you" or "Thank you very much" to show your appreciation. You can also write "Thank you" or "Thank you very much" to express your gratitude.

Here are some other ways you can express gratitude in Engpsh:

I really appreciate your help.
I'm grateful for your support.
Thanks for being there for me.
Your kindness means a lot to me.
I'm so thankful for your generosity.

Remember, it's always popte to show appreciation when someone does something for you or helps you in some way.