教师节，是我们感恩老师、表达敬意的日子。在这个特殊的日子里，我们可以用英语写一张贺卡，表达我们对老师的感激之情。下面是一份英语贺卡格式范文，供大家参考：

Dear [Teacher's Name],

Happy Teacher's Day! On this special day, I would like to express my sincere gratitude to you for everything you have done for me. You have been a great mentor and role model to me, and I'm grateful for your guidance and support.

Your passion for teaching has inspired me to learn and grow, and your dedication to your work has shown me the importance of hard work and perseverance. Your kindness and patience have helped me overcome challenges, and your encouragement has given me the confidence to pursue my dreams.

Thank you for being such an amazing teacher and for making a positive impact on my life. I will always cherish the memories of our time together, and I hope to continue learning from you in the future.

Once again, Happy Teacher's Day! May this day be filled with joy, love, and appreciation for all that you do.

Sincerely,

[Your Name]