感谢亲人是一个重要的事情，因为他们是我们生命中最重要的人。他们给我们带来了关爱、支持和慷慨。我们应该珍惜这些感情，因为它们是我们成长和成功的基石。所以，向你的亲人表达感激之情是非常必要的。

Here are some classic sentences to express gratitude to our families in English:

1. 'Thank you for always being there for me, I couldn't have done it without you.'

2. 'I am so grateful for your love and support, it means the world to me.'

3. 'Thank you for believing in me and pushing me to be my best self.'

4. 'I don't say it enough, but I appreciate everything you do for me.'

5. 'I feel so blessed to have you in my life, thank you for being my family.'

Remember, expressing gratitude to our families is not only a way to show appreciation for their love and support, but also a way to strengthen the bond between us.