- Dai [on behalf of]wo [me] 代我 【adverbial modifier 1】
- Xiang [to]向
- ni Fumu [your parents] 你父母 【adverbial modifier 2】
- Wenhao [say hello] 问好. 【predicate 谓语】
- [Dai war Shyung nee Foomoo Wenhow.]
In this sentence, there is no subject, no object, just a predicate.