εἶπον οὖν αὐτῷ· τί οὖν ποιεῖς σὺ σημεῖον ἵνα ἴδωμεν καὶ πιστεύσωμέν σοι; τί ἐργάζῃ;

1. εἶπον
   i said
   said
2. οὖν
   therefore
3. αὐτῷ
   to him
4.  
   ·
    
5. τί
   what
   something
6. οὖν
   therefore
7. ποιεῖς
   you do
8. σὺ
   you
9. σημεῖον
   sign
10. ἵνα
    so that
11. ἴδωμεν
    let us see
12. καὶ
    and
13. πιστεύσωμέν
    we might believe
    we will believe, we may believe
14. σοι
    to you
15.  
    ;
     
16. τί
    what
    something
17. ἐργάζῃ
    you work
18.  
    ;
     

Therefore they said to him, What sign do you do so that we may see and believe you? What work do you perform?