If you have a job,—do devote—yourself to it and finally you will succeed.

题目

If you have a job,—do devote—yourself to it and finally you will succeed.
老师说如果是用devoting的话分词作状语,这个句子就没有谓语动词了.难道have不是谓语动词吗?

答案

用devoting 时 devoting yourself to it 就是做状语 而you will succeed 做主句,if you have a job 是从句?明白吗