Εἰ μὲν οὖν μὴ βούλει ἐξαποστεῖλαι τὸν λαόν μου, ἀλλὰ ἔτι ἐγκρατεῖς αὐτοῦ,

1. Εἰ
   If
2. μὲν
   indeed
3. οὖν
   therefore
4. μὴ
   not
5. βούλει
   you wish
6. ἐξαποστεῖλαι
   to send away
7. τὸν
   the
8. λαόν
   people
9. μου
   my
10.  
    ,
     
11. ἀλλὰ
    but
12. ἔτι
    still
13. ἐγκρατεῖς
    self controlled
    masters
14. αὐτοῦ
    his
15.  
    ,
     

If you do not wish to send away my people, but still hold them,