How To Write A Grad Party Thank You Note . Thank you so much for being part of my high school graduation. For example “dear uncle mike,” “aloha aunt sally,” etc. FREE 6+ Sample Graduation ThankYou Letter Templates in MS Word PDF from www.sampletemplates.com Follow these five steps and the below guidance for the perfect thank you note. You may need to print out or write a clean copy of the speech after you edit it more. Start with a formal greeting or hello.