NET

49 But he replied, “Why were you looking for me? Didn’t you know that I must be in my Father’s house?”

Darby

49 And he said to them, Why [is it] that ye have sought me? did ye not know that I ought to be [occupied] in my Father's business^D7211?

Darby Bible Notes

business - Lit. 'To be in the things of my Father.' Elsewhere in New Testament the expression ('to be in the things') only occurs in 1Tim. 4.15.

KJV

49 And he said unto them, “How is it that ye sought me? wist ye not that I must be about my Father's business?”

Strong's

49 And ^G2532 he said^G2036 unto^G4314 them^G846, How^G5101 is it that^G3754 ye sought^G2212 me^G3165? wist ye^G1492 not^G3756 that^G3754 I^G3165 must^G1163 be^G1511 about^G1722 my^G3450 Father's business^G3962?