以下是經典愛情英文佳句：
1. "Love is like a butterfly, it lives only when it flies."
2. "You are my sunshine, my only sunshine."
3. "You are my missing piece, my only piece."
4. "When you are sad, I will try to make you happy; when you are happy, I will try to make you more happy."
5. "You are my everything, without you, life would be meaningless."
6. "Love is not a one-way street; it requires two hands to clap."
7. "Love is like a river, it flows endlessly."
8. "Love is patient and kind; it is never jealous or boastful."
9. "When you love someone, you give them your heart and take care of them as if they were your own soul."
10. "Love is like a melody that cannot be expressed in words, but can only be felt in the heart."
希望這些英文佳句能夠對你有所幫助！