Complex sentence: She has been taught stealth, atheltics, hotwiring, lockpicking, thieving, acrobatics and some martial arts by Selina and Ted grant trained her in a form of kick boxing adapted for street usage as well as English boxing.
Split into simpler sentences: She has been taught stealth, atheltics, hotwiring, lockpicking, thieving, acrobatics and the martial arts by Selina. Ted Grant trained her in a form of kick-boxing adapted for street use, as well as English boxing.