thank本身能作名词;形容词是thankful;
thank:n.感谢;谢谢;道谢的话;
thankful:adj.感谢;感激;欣慰
Most of the time I'm just thankful that I've got a job
多数时候我只是庆幸自己有份工作。
I was so thankful for his support
我对他的支持非常感激。
I am just thankful that we have a roof over our heads.
我们有地方住我就很感激了。