28 The verb is the perfect with the vav (ו) consecutive; the nuance in the question is deliberative.
29 Heb “my brother.” The term “brother” is used in a loose sense; actually Jacob was Laban’s nephew.

In other versions

Then Laban said to Jacob, “Because you are my kinsman, should you therefore serve me for nothing? Tell me, what shall your wages be?”

Laban said to him, “Just because you are a relative of mine, should you work for me for nothing? Tell me what your wages should be.”

Laban said to him, “Just because you’re my relative, should you work for me for nothing? Tell me what your wages should be.”

Laban said to him, “You shouldn’t work for me without pay just because we are relatives. Tell me how much your wages should be.”

Then Laban said to Jacob, “Just because you are my brother should you work for me for nothing? Tell me what your wage should be.”

And Laban said unto Jacob, Because thou art my brother, shouldest thou therefore serve me for nought? tell me, what shall thy wages be?

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