Пожалуйста напишите на английском письмо учителю по случаю какого-…

Happy birthday dear Teacher! I've decided to write you a small note, thanking you for your help. I enjoyed being taught by you immensely; you are an excellent teacher and have inspired me to continue learning with an open and positive mind. I appreciate all your hard work, it's meant so much to me.Once again, thank you so much for your time, expertise and patience!