英语“谢谢”的表达方式.除了①thank you(very much )、②thanks (a lot )、③many thanks 、④thank you for your help、⑤i really don't know how i can thank you enough.能不能再提供类似于第⑤句的句子,适用感谢程度很深的表达方式.

①It's really good of you.
②Thank you for helping me.
③Highly appreciated for your help.
④How can express my gratitude to you!

gratitude
n. (名词 noun)
感激之情,感恩,感谢[U][(+to/for)]
He acted so out of gratitude.
他是出於感激而这麼做的
*** owe
vt. (及物动词 transitive verb)[W]
欠(债等)[(+to/for)][O1]
I owe the landlord one hundred dollars./I owe one hundred dollars to the landlord.
我欠房东一百美元。
*** (应)感激[(+to)]
*** We owe a great deal to our parents.
我们深受父母之恩。
应该把...归功於[(+to)]
We owe to Newton the principle of gravitation.
我们全靠牛顿才知道引力的原理。
应给予;应该做[(+to)]

grateful 1.I am very grateful to you for……非常感谢你2.I should like to say how grateful I am.我谨表示我深切的谢意.3.I shall be grateful to you all my life.我将一辈子感激你4.I cannot express to you h...

i really appreciate it what you did for me 。