以下是一些英語感謝佳句：
1. Thank you so much.
2. I really appreciate it.
3. You're very kind.
4. It's very kind of you to do that.
5. I really owe you one.
6. Thank you from the bottom of my heart.
7. You've been really helpful.
8. I couldn't have done it without you.
9. I am grateful for your help.
10. You're welcome.
在適當的情況下使用這些句子，可以讓你的感謝表達更加真誠和有力量。