How to write English short messages to teachers

Dear teacher XXX, dear teacher XX, hello everyone.

Good day!

With the coming of Teacher's Day, I have something to tell you. Teacher's Day is coming, and I have something to say to you here.

First of all, I wish you a happy Teacher's Day! My dear teacher. First of all, I wish you a happy Teacher's Day.

Secondly, thank you for all your help in my study and life. You encouraged me when I was sad and disappointed. When I was naughty in class, you taught me that I should concentrate on my study. When I was in trouble, you helped me and let me face everything bravely. When I get some rewards, you share the joy with me.

Furthermore, thank you for your help in your study and life. When I was sad and lost, you encouraged me. When I was naughty in class, you taught me to concentrate on my study. When I encounter difficulties, you help me face them bravely. When I won the honor, you shared the joy with me.

Here, I want to say, my dear teacher XXX, thank you for all your efforts. I hope you have a pleasant holiday!

Here, I want to say, dear teacher XX, thank you for all your efforts. I hope you have a wonderful and happy holiday.

Love, love,

XXX