Modoru

modoru: (1) to return (2) to turn back (3) to go back

戻る -- v.

Transformation:
modorimasu -- v-masu
modotte -- v-te
modorimashita -- v-past
modoranai -- v.neg

Hint: when you refer to 'going home', you use kaeru. Modoru is used for other purpose, including like in battle, you ask your friend to return; or you said you are going back (to a class, office, etc)