情人节是一个浪漫的节日，向你的爱人送上一张特别的卡片，表达你的爱意是很重要的。下面是一些英文句子，可以在情人节卡片上使用：

1. You are the sunshine in my life, and I am so lucky to have you as my Valentine.

2. Happy Valentine's Day to the love of my life! You make every day brighter and more beautiful.

3. You are my everything, and I love you more than words can say. Happy Valentine's Day, my love.

4. You are the one who makes my heart skip a beat, and I can't imagine my life without you. Happy Valentine's Day, my sweet Valentine.

5. I feel so lucky to have you in my life, and I am grateful for every moment we share together. Happy Valentine's Day, my love.

6. I love you more and more every day, and I can't wait to spend the rest of my life with you. Happy Valentine's Day, my soulmate.

7. You are the most beautiful person I have ever met, inside and out. Happy Valentine's Day, my love.

8. You are my best friend, my partner in crime, and the love of my life. Happy Valentine's Day, my sweet Valentine.

9. You complete me in every way, and I can't imagine my life without you. Happy Valentine's Day, my love.

10. I will love you forever and always, through thick and thin, and no matter what life throws our way. Happy Valentine's Day, my forever Valentine.