Perseus analyses of μετατρέπῃ:

1. μετατρέπομαι: pres subj mp 2nd sg
2. μετατρέπομαι: pres ind mp 2nd sg
3. μετατρέπομαι: pres subj act 3rd sg

LSJ entry

(NB. Could not find dictionary headword; this is around the spot it should appear.)

μετατρέπω