a. 1. 感谢的,感激的[F][(+for/to)][+to-v][+(that)] I am grateful to have you help me repair the house. 承你帮忙修缮房子,我十分感激。 She was grateful to George for all that he had done. 她感激乔治所做的一切。 2. 表示感谢的[B] They sent us a grateful letter. 他们给我们寄来了一封感谢信。 3. 令人愉快的;可喜的
thankful
a. 1. 感谢的,感激的;欣慰的[(+for)][+to-v][+that] I was thankful for her help. 我感谢她的帮助。
*在用法上thankful后不可以接to, 而grateful可以。 当thankful后接to时, to后必须接另一动词 。 其他没什么区别了。 回LX, thankful后边可以接to啊,我没说不可以。 但是你用错了,只能说be grateful to sb.sth./be thankful for sb.sth.本回答被提问者采纳